present perfect simple tense vs. :@0.425245:0.212411:0.740376:0.212411:0.740376:0.193038:0.425245:0.193038:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
present perfect continuous tense:@0.420340:0.234077:0.737160:0.234077:0.737160:0.214704:0.420340:0.214704:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
We use the:@0.250692:0.277227:0.353820:0.277227:0.353820:0.258036:0.250692:0.258036:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 present perfect simple:@0.353820:0.277227:0.561641:0.277227:0.561641:0.258036:0.353820:0.258036:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 to talk about recently completed :@0.561641:0.277227:0.874380:0.277227:0.874380:0.258036:0.561641:0.258036:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
actions (and often their results). We don’t mention the exact time but :@0.250692:0.295332:0.884081:0.295332:0.884081:0.276141:0.250692:0.276141:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
we emphasize the action itself. Compare::@0.250692:0.313438:0.622831:0.313438:0.622831:0.294246:0.250692:0.294246:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
I’ve stayed:@0.250692:0.335284:0.356232:0.335284:0.356232:0.315912:0.250692:0.315912:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 in this hotel before. (I stayed here in the past, the action :@0.356232:0.335103:0.888184:0.335103:0.888184:0.315912:0.356232:0.315912:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
stopped but I don’t know the time. :@0.250692:0.353209:0.574666:0.353209:0.574666:0.334017:0.250692:0.334017:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
This doesn’t emphasize the :@0.574666:0.353390:0.845271:0.353390:0.845271:0.334017:0.574666:0.334017:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
length of time:@0.250692:0.371495:0.386427:0.371495:0.386427:0.352122:0.250692:0.352122:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
):@0.386427:0.371314:0.392337:0.371314:0.392337:0.352122:0.386427:0.352122:0.000000
I’ve been staying:@0.250692:0.393161:0.417506:0.393161:0.417506:0.373788:0.250692:0.373788:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 in this hotel for three days. (I started staying in :@0.417506:0.392979:0.861994:0.392979:0.861994:0.373788:0.417506:0.373788:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
this hotel three days ago, the action is going on, I’m still staying :@0.250692:0.411085:0.845026:0.411085:0.845026:0.391893:0.250692:0.391893:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
here. :@0.250692:0.429190:0.301472:0.429190:0.301472:0.409998:0.250692:0.409998:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
This emphasizes the length of time:@0.301472:0.429371:0.640163:0.429371:0.640163:0.409998:0.301472:0.409998:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
):@0.640163:0.429190:0.646073:0.429190:0.646073:0.409998:0.640163:0.409998:0.000000
We use the :@0.250692:0.472521:0.362102:0.472521:0.362102:0.453330:0.250692:0.453330:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
present perfect simple:@0.362102:0.472521:0.561641:0.472521:0.561641:0.453330:0.362102:0.453330:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 and the :@0.561641:0.472521:0.648747:0.472521:0.648747:0.453330:0.561641:0.453330:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
present perfect :@0.648749:0.472521:0.793287:0.472521:0.793287:0.453330:0.648749:0.453330:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
continuous:@0.250692:0.490627:0.345839:0.490627:0.345839:0.471435:0.250692:0.471435:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 to talk about an action that started in the past and is :@0.345839:0.490627:0.853774:0.490627:0.853774:0.471435:0.345839:0.471435:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
still going on. Especially with the verbs, \:@0.250692:0.508732:0.617825:0.508732:0.617825:0.489540:0.250692:0.489540:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
live, study, work, teach etc:@0.617825:0.508732:0.860384:0.508732:0.860384:0.489540:0.617825:0.489540:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
, :@0.821244:0.508732:0.833386:0.508732:0.833386:0.489540:0.821244:0.489540:0.000000:0.000000
.\ :@0.860372:0.508732:0.878244:0.508732:0.878244:0.489540:0.860372:0.489540:0.000000:0.000000:0.000000
there is almost no difference in the meaning. :@0.250692:0.526837:0.665770:0.526837:0.665770:0.507645:0.250692:0.507645:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Remember that stative verbs are generally used with the:@0.250692:0.570168:0.766405:0.570168:0.766405:0.550977:0.250692:0.550977:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 present :@0.766405:0.570168:0.847681:0.570168:0.847681:0.550977:0.766405:0.550977:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
perfect simple:@0.250692:0.588274:0.377240:0.588274:0.377240:0.569082:0.250692:0.569082:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 although we want to talk about the duration of the :@0.377240:0.588274:0.860909:0.588274:0.860909:0.569082:0.377240:0.569082:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
action.:@0.250692:0.606379:0.309594:0.606379:0.309594:0.587187:0.250692:0.587187:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
I’ve known:@0.250692:0.628226:0.352431:0.628226:0.352431:0.608853:0.250692:0.608853:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 Denis for years.:@0.352431:0.628044:0.501190:0.628044:0.501190:0.608853:0.352431:0.608853:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 :@0.501190:0.628044:0.509472:0.628044:0.509472:0.608853:0.501190:0.608853:0.000000
not:@0.509472:0.628226:0.540712:0.628226:0.540712:0.608853:0.509472:0.608853:0.000000:0.000000:0.000000
  :@0.540712:0.628044:0.557281:0.628044:0.557281:0.608853:0.540712:0.608853:0.000000:0.000000
I’ve been knowing Denis for years.:@0.552235:0.628044:0.865714:0.628078:0.865714:0.608887:0.552235:0.608853:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
We also frequently use time expressions, :@0.250689:0.671410:0.624496:0.671410:0.624496:0.652219:0.250689:0.652219:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
such as just, already, yet, :@0.624502:0.671410:0.857150:0.671410:0.857150:0.652219:0.624502:0.652219:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
before, so far, twice, many times, etc:@0.250689:0.689515:0.583787:0.689515:0.583787:0.670324:0.250689:0.670324:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
. in the present perfect simple; :@0.583787:0.689515:0.867495:0.689515:0.867495:0.670324:0.583787:0.670324:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
however, we use :@0.250689:0.707620:0.408816:0.707620:0.408816:0.688429:0.250689:0.688429:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
for, since, recently, lately, this week,:@0.408818:0.707620:0.725593:0.707620:0.725593:0.688429:0.408818:0.688429:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 etc. in the:@0.725593:0.707620:0.823311:0.707620:0.823311:0.688429:0.725593:0.688429:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 :@0.823311:0.707620:0.831594:0.707620:0.831594:0.688429:0.823311:0.688429:0.000000
present perfect continuous.:@0.250689:0.725725:0.493952:0.725725:0.493952:0.706534:0.250689:0.706534:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 :@0.493952:0.725725:0.502234:0.725725:0.502234:0.706534:0.493952:0.706534:0.000000
e.g.:@0.250689:0.747572:0.282451:0.747572:0.282451:0.728200:0.250689:0.728200:0.000000:0.000000:0.000000:0.000000
Anabella :@0.250689:0.769057:0.338900:0.769057:0.338900:0.749866:0.250689:0.749866:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
has been:@0.338900:0.769238:0.428157:0.769238:0.428157:0.749866:0.338900:0.749866:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 to Mexico :@0.428157:0.769057:0.534379:0.769057:0.534379:0.749866:0.428157:0.749866:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
before:@0.534381:0.769238:0.597222:0.769238:0.597222:0.749866:0.534381:0.749866:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
.:@0.597222:0.769057:0.601001:0.769057:0.601001:0.749866:0.597222:0.749866:0.000000
Anabella :@0.250689:0.790723:0.338900:0.790723:0.338900:0.771531:0.250689:0.771531:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
has been flying:@0.338900:0.790904:0.490013:0.790904:0.490013:0.771531:0.338900:0.771531:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 to Mexico :@0.490013:0.790723:0.596235:0.790723:0.596235:0.771531:0.490013:0.771531:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
for:@0.596237:0.790904:0.624160:0.790904:0.624160:0.771531:0.596237:0.771531:0.000000:0.000000:0.000000
 an hour.:@0.624160:0.790723:0.706077:0.790723:0.706077:0.771531:0.624160:0.771531:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Note::@0.250689:0.834236:0.301067:0.834236:0.301067:0.814863:0.250689:0.814863:0.000000:0.000000:0.000000:0.000000:0.000000
 It is also possible to use \:@0.301067:0.834055:0.541975:0.834055:0.541975:0.814863:0.301067:0.814863:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
for:@0.541975:0.834055:0.567184:0.834055:0.567184:0.814863:0.541975:0.814863:0.000000:0.000000:0.000000
\ and \:@0.567188:0.834055:0.629968:0.834055:0.629968:0.814863:0.567188:0.814863:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
since:@0.629968:0.834055:0.673892:0.834055:0.673892:0.814863:0.629968:0.814863:0.000000:0.000000:0.000000:0.000000:0.000000
\ in the :@0.673892:0.834055:0.746723:0.834055:0.746723:0.814863:0.673892:0.814863:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
present perfect :@0.746727:0.834055:0.891265:0.834055:0.891265:0.814863:0.746727:0.814863:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
simple:@0.250709:0.852160:0.305791:0.852160:0.305791:0.832968:0.250709:0.832968:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
; however, the difference is that it especially emphasizes :@0.305791:0.852160:0.822927:0.852160:0.822927:0.832968:0.305791:0.832968:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
the :@0.822927:0.852160:0.859072:0.852160:0.859072:0.832968:0.822927:0.832968:0.000000:0.000000:0.000000:0.000000
duration:@0.250709:0.870265:0.325110:0.870265:0.325110:0.851073:0.250709:0.851073:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 of the action in the :@0.325110:0.870265:0.517231:0.870265:0.517231:0.851073:0.325110:0.851073:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
present perfect continuous:@0.517233:0.870265:0.756716:0.870265:0.756716:0.851073:0.517233:0.851073:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
. :@0.756716:0.870265:0.768778:0.870265:0.768778:0.851073:0.756716:0.851073:0.000000:0.000000
Unit 5 - :@0.111315:0.957969:0.188629:0.957969:0.188629:0.938778:0.111315:0.938778:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Student Book:@0.188631:0.958150:0.317611:0.958150:0.317611:0.938778:0.188631:0.938778:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
72:@0.037513:0.959682:0.059285:0.959682:0.059285:0.940310:0.037513:0.940310:0.000000:0.000000
Grammar:@0.264523:0.131167:0.382379:0.131167:0.382379:0.105578:0.264523:0.105578:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
present perfect simple tense vs. :@0.412748:0.121709:0.727879:0.121709:0.727879:0.102337:0.412748:0.102337:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
present perfect continuous tense:@0.412748:0.139814:0.729567:0.139814:0.729567:0.120442:0.412748:0.120442:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
MUESTRA EDITORIAL:@0.248624:0.946277:0.888601:0.114341:0.744192:0.051768:0.104215:0.883703:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 Muestra editorial solo para fines didácticos – Prohibida su venta:@0.095137:0.659264:0.095137:0.341881:0.077090:0.341881:0.077090:0.659264:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000