a. affirmative form:@0.096359:0.139856:0.279193:0.139856:0.279193:0.120483:0.096359:0.120483:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
I/He/She/It:@0.131539:0.183006:0.231692:0.183006:0.231692:0.163815:0.131539:0.163815:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
was traveling:@0.337594:0.183187:0.465810:0.183187:0.465810:0.163815:0.337594:0.163815:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 to Yukatan yesterday morning.:@0.465810:0.183006:0.747308:0.183006:0.747308:0.163815:0.465810:0.163815:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 :@0.096359:0.209199:0.104642:0.209199:0.104642:0.190007:0.096359:0.190007:0.000000
 :@0.096359:0.235391:0.104642:0.235391:0.104642:0.216199:0.096359:0.216199:0.000000
You/We/They  :@0.131539:0.235391:0.285567:0.235391:0.285567:0.216199:0.131539:0.216199:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
were working:@0.337594:0.235572:0.465408:0.235572:0.465408:0.216199:0.337594:0.216199:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 at the office last weekend. :@0.465408:0.235391:0.722680:0.235391:0.722680:0.216199:0.465408:0.216199:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
We use the :@0.096359:0.278722:0.207769:0.278722:0.207769:0.259531:0.096359:0.259531:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
past form of the verb to be (was/were):@0.207769:0.278722:0.567044:0.278722:0.567044:0.259531:0.207769:0.259531:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 and then add the suffix –:@0.567044:0.278722:0.807191:0.278722:0.807191:0.259531:0.567044:0.259531:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
ing:@0.807191:0.278722:0.834229:0.278722:0.834229:0.259531:0.807191:0.259531:0.000000:0.000000:0.000000
 to the :@0.834229:0.278722:0.904107:0.278722:0.904107:0.259531:0.834229:0.259531:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
main verb to form an affirmative sentence in the :@0.096359:0.296827:0.549070:0.296827:0.549070:0.277636:0.096359:0.277636:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
past continuous tense:@0.549076:0.296827:0.745017:0.296827:0.745017:0.277636:0.549076:0.277636:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
.:@0.745017:0.296827:0.748796:0.296827:0.748796:0.277636:0.745017:0.277636:0.000000
We use past continuous tense to express continuing past actions at a specific time in the :@0.096359:0.318493:0.917029:0.318493:0.917029:0.299302:0.096359:0.299302:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
past.:@0.096359:0.336598:0.136866:0.336598:0.136866:0.317407:0.096359:0.317407:0.000000:0.000000:0.000000:0.000000:0.000000
I :@0.096359:0.358264:0.110109:0.358264:0.110109:0.339073:0.096359:0.339073:0.000000:0.000000
was cleaning:@0.110109:0.358445:0.235109:0.358445:0.235109:0.339073:0.110109:0.339073:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 my room two hours ago.:@0.235109:0.358264:0.469487:0.358264:0.469487:0.339073:0.235109:0.339073:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Anna :@0.096359:0.379930:0.151984:0.379930:0.151984:0.360739:0.096359:0.360739:0.000000:0.000000:0.000000:0.000000:0.000000
was studying:@0.151984:0.380111:0.278511:0.380111:0.278511:0.360739:0.151984:0.360739:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 English at 7 pm last night.:@0.278511:0.379930:0.519460:0.379930:0.519460:0.360739:0.278511:0.360739:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
b. negative and question form:@0.096359:0.419882:0.390161:0.419882:0.390161:0.400509:0.096359:0.400509:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 :@0.096359:0.459653:0.104481:0.459653:0.104481:0.440280:0.096359:0.440280:0.000000
Negative (-) :@0.131539:0.459653:0.255875:0.459653:0.255875:0.440280:0.131539:0.440280:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
We weren’t staying at that hotel last year.:@0.277285:0.459472:0.658733:0.459472:0.658733:0.440280:0.277285:0.440280:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 :@0.096359:0.481319:0.104481:0.481319:0.104481:0.461946:0.096359:0.461946:0.000000
 :@0.096359:0.502985:0.104481:0.502985:0.104481:0.483612:0.096359:0.483612:0.000000
Question (?) :@0.131539:0.502985:0.254589:0.502985:0.254589:0.483612:0.131539:0.483612:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Were you talking on the phone ten minutes ago?:@0.277285:0.502803:0.725155:0.502803:0.725155:0.483612:0.277285:0.483612:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
positive short answers    :@0.096359:0.546316:0.345715:0.546316:0.345715:0.526944:0.096359:0.526944:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
    :@0.397902:0.546316:0.430389:0.546316:0.430389:0.526944:0.397902:0.526944:0.000000:0.000000:0.000000:0.000000
 :@0.458211:0.546316:0.466332:0.546316:0.466332:0.526944:0.458211:0.526944:0.000000
negative short answers:@0.518520:0.546316:0.742405:0.546316:0.742405:0.526944:0.518520:0.526944:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Yes,:@0.131539:0.589467:0.165272:0.589467:0.165272:0.570275:0.131539:0.570275:0.000000:0.000000:0.000000:0.000000
I/he/she:@0.216976:0.589467:0.289749:0.589467:0.289749:0.570275:0.216976:0.570275:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
was.:@0.397902:0.589467:0.436279:0.589467:0.436279:0.570275:0.397902:0.570275:0.000000:0.000000:0.000000:0.000000
No,:@0.518520:0.589467:0.549156:0.589467:0.549156:0.570275:0.518520:0.570275:0.000000:0.000000:0.000000
I/he/she:@0.578828:0.589467:0.651601:0.589467:0.651601:0.570275:0.578828:0.570275:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
wasn’t.:@0.759754:0.589467:0.816967:0.589467:0.816967:0.570275:0.759754:0.570275:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 :@0.096359:0.615659:0.104642:0.615659:0.104642:0.596467:0.096359:0.596467:0.000000
Yes,:@0.131539:0.641851:0.165272:0.641851:0.165272:0.622659:0.131539:0.622659:0.000000:0.000000:0.000000:0.000000
we/you/they:@0.216976:0.641851:0.328688:0.641851:0.328688:0.622659:0.216976:0.622659:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
were.:@0.397902:0.641851:0.444521:0.641851:0.444521:0.622659:0.397902:0.622659:0.000000:0.000000:0.000000:0.000000:0.000000
No,:@0.518520:0.641851:0.549156:0.641851:0.549156:0.622659:0.518520:0.622659:0.000000:0.000000:0.000000
we/you/they:@0.578828:0.641851:0.690540:0.641851:0.690540:0.622659:0.578828:0.622659:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
weren’t.:@0.759754:0.641851:0.825511:0.641851:0.825511:0.622659:0.759754:0.622659:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
We can also use question words to make questions in the past continuous tense. It is :@0.096359:0.685183:0.879599:0.685183:0.879599:0.665991:0.096359:0.665991:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
formed as::@0.096359:0.703288:0.192752:0.703288:0.192752:0.684096:0.096359:0.684096:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
with his friends :@0.586088:0.820459:0.727894:0.820459:0.727894:0.801268:0.586088:0.801268:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
ten years ago?:@0.586088:0.838564:0.721439:0.838564:0.721439:0.819373:0.586088:0.819373:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
I was watching :@0.787296:0.782188:0.895385:0.782188:0.895385:0.767795:0.787296:0.767795:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
a movie:@0.895385:0.782324:0.953567:0.782324:0.953567:0.767795:0.895385:0.767795:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
.:@0.953567:0.782188:0.956402:0.782188:0.956402:0.767795:0.953567:0.767795:0.000000
They were having an :@0.787296:0.866683:0.937207:0.866683:0.937207:0.852289:0.787296:0.852289:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
exam :@0.787296:0.880262:0.829814:0.880262:0.829814:0.865868:0.787296:0.865868:0.000000:0.000000:0.000000:0.000000:0.000000
yesterday:@0.829814:0.880397:0.901023:0.880397:0.901023:0.865868:0.829814:0.865868:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
.:@0.901023:0.880262:0.903858:0.880262:0.903858:0.865868:0.901023:0.865868:0.000000
He was living :@0.787296:0.815151:0.884499:0.815151:0.884499:0.800757:0.787296:0.800757:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
in :@0.884499:0.815287:0.903149:0.815287:0.903149:0.800757:0.884499:0.800757:0.000000:0.000000:0.000000
Canada:@0.787296:0.828866:0.843851:0.828866:0.843851:0.814336:0.787296:0.814336:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 with his :@0.843851:0.828730:0.905877:0.828730:0.905877:0.814336:0.843851:0.814336:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
friends ten years ago.:@0.787296:0.842309:0.935761:0.842309:0.935761:0.827915:0.787296:0.827915:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
your  :@0.395421:0.820078:0.450925:0.820078:0.450925:0.800887:0.395421:0.800887:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
cousin:@0.395421:0.838183:0.450905:0.838183:0.450905:0.818992:0.395421:0.818992:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 question word   was / were  subject   v + ing   complement :@0.096351:0.744942:0.711117:0.744942:0.711117:0.725570:0.096351:0.725570:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
    answers:@0.759745:0.744942:0.868743:0.744942:0.868743:0.725570:0.759745:0.725570:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 :@0.096351:0.784788:0.104633:0.784788:0.104633:0.765597:0.096351:0.765597:0.000000
  What   :@0.131531:0.784788:0.225250:0.784788:0.225250:0.765597:0.131531:0.765597:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
were   :@0.277276:0.784788:0.345867:0.784788:0.345867:0.765597:0.277276:0.765597:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
you      doing  :@0.397894:0.784788:0.558516:0.784788:0.558516:0.765597:0.397894:0.765597:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 at home last night?    :@0.578820:0.784788:0.793337:0.784788:0.793337:0.765597:0.578820:0.765597:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 :@0.096351:0.810981:0.104633:0.810981:0.104633:0.791789:0.096351:0.791789:0.000000
 :@0.096351:0.829629:0.104633:0.829629:0.104633:0.810437:0.096351:0.810437:0.000000
  Where  :@0.131531:0.829629:0.231422:0.829629:0.231422:0.810437:0.131531:0.810437:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
was   :@0.277276:0.829629:0.345867:0.829629:0.345867:0.810437:0.277276:0.810437:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 :@0.397894:0.829629:0.406176:0.829629:0.406176:0.810437:0.397894:0.810437:0.000000
    living :@0.458202:0.829629:0.544122:0.829629:0.544122:0.810437:0.458202:0.810437:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
  :@0.578820:0.829629:0.595384:0.829629:0.595384:0.810437:0.578820:0.810437:0.000000:0.000000
 :@0.639128:0.829629:0.647411:0.829629:0.647411:0.810437:0.639128:0.810437:0.000000
 :@0.699437:0.829629:0.707719:0.829629:0.707719:0.810437:0.699437:0.810437:0.000000
    :@0.759745:0.829629:0.792875:0.829629:0.792875:0.810437:0.759745:0.810437:0.000000:0.000000:0.000000:0.000000
 :@0.096351:0.875737:0.104633:0.875737:0.104633:0.856545:0.096351:0.856545:0.000000
  When  :@0.131531:0.875737:0.225250:0.875737:0.225250:0.856545:0.131531:0.856545:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
were   :@0.277276:0.875737:0.345867:0.875737:0.345867:0.856545:0.277276:0.856545:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
they      having   an exam?      :@0.397894:0.875737:0.732566:0.875737:0.732566:0.856545:0.397894:0.856545:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
  :@0.759745:0.875737:0.776310:0.875737:0.776310:0.856545:0.759745:0.856545:0.000000:0.000000
101:@0.954115:0.961910:0.980611:0.961910:0.980611:0.942537:0.954115:0.942537:0.000000:0.000000:0.000000
Unit 8 - :@0.672477:0.959327:0.750336:0.959327:0.750336:0.940136:0.672477:0.940136:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Student Book:@0.750336:0.959508:0.879316:0.959508:0.879316:0.940136:0.750336:0.940136:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
wh-questions in the past :@0.299813:0.096292:0.546110:0.096292:0.546110:0.076919:0.299813:0.076919:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Grammar:@0.146353:0.097709:0.264210:0.097709:0.264210:0.072120:0.146353:0.072120:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
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