Unit 1 - :@0.110212:0.960284:0.182924:0.960284:0.182924:0.941053:0.110212:0.941053:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Student Book:@0.182924:0.960466:0.312262:0.960466:0.312262:0.941053:0.182924:0.941053:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
14:@0.064491:0.961979:0.084206:0.961979:0.084206:0.942566:0.064491:0.942566:0.000000:0.000000
the verb to be :@0.057143:0.159207:0.205088:0.159207:0.205088:0.139794:0.057143:0.139794:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
The :@0.057143:0.195312:0.097621:0.195312:0.097621:0.176080:0.057143:0.176080:0.000000:0.000000:0.000000:0.000000
verb to be:@0.097621:0.195493:0.199764:0.195493:0.199764:0.176080:0.097621:0.176080:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 is used to describe or :@0.199764:0.195312:0.414716:0.195312:0.414716:0.176080:0.199764:0.176080:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
introduce a person or a thing. :@0.057143:0.213454:0.340675:0.213454:0.340675:0.194223:0.057143:0.194223:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
It   a flower. :@0.057143:0.231597:0.184848:0.231597:0.184848:0.212366:0.057143:0.212366:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
is:@0.076656:0.231779:0.091110:0.231779:0.091110:0.212366:0.076656:0.212366:0.000000:0.000000
They :@0.057143:0.249740:0.106834:0.249740:0.106834:0.230509:0.057143:0.230509:0.000000:0.000000:0.000000:0.000000:0.000000
are:@0.106834:0.249922:0.138884:0.249922:0.138884:0.230509:0.106834:0.230509:0.000000:0.000000:0.000000
 my parents. :@0.138886:0.249740:0.259677:0.249740:0.259677:0.230509:0.138886:0.230509:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
It is used to say someone’s or something’s :@0.460277:0.159011:0.852398:0.159011:0.852398:0.139779:0.460277:0.139779:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
age, location, job, price, origin, etc. :@0.460277:0.177154:0.788453:0.177154:0.788453:0.157922:0.460277:0.157922:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
I :@0.460277:0.195296:0.474065:0.195296:0.474065:0.176065:0.460277:0.176065:0.000000:0.000000
am:@0.474065:0.195478:0.504102:0.195478:0.504102:0.176065:0.474065:0.176065:0.000000:0.000000
 twenty years old. :@0.504102:0.195296:0.676215:0.195296:0.676215:0.176065:0.504102:0.176065:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Fred   in Germany. :@0.460277:0.213439:0.646904:0.213439:0.646904:0.194208:0.460277:0.194208:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
is:@0.508557:0.213621:0.523011:0.213621:0.523011:0.194208:0.508557:0.194208:0.000000:0.000000
The man   Italian. :@0.460277:0.231582:0.637633:0.231582:0.637633:0.212351:0.460277:0.212351:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
is:@0.548350:0.231764:0.562804:0.231764:0.562804:0.212351:0.548350:0.212351:0.000000:0.000000
We also use the :@0.460277:0.267868:0.616081:0.267868:0.616081:0.248636:0.460277:0.248636:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
verb to be:@0.616083:0.268049:0.718228:0.268049:0.718228:0.248636:0.616083:0.248636:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 before adjectives.:@0.718228:0.267868:0.885077:0.267868:0.885077:0.248636:0.718228:0.248636:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
He   young. :@0.460277:0.286011:0.584956:0.286011:0.584956:0.266779:0.460277:0.266779:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
is:@0.494405:0.286192:0.508859:0.286192:0.508859:0.266779:0.494405:0.266779:0.000000:0.000000
It   expensive.:@0.460277:0.304154:0.593645:0.304154:0.593645:0.284922:0.460277:0.284922:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
is:@0.479790:0.304335:0.494244:0.304335:0.494244:0.284922:0.479790:0.284922:0.000000:0.000000
affirmative statements :@0.067000:0.359353:0.291566:0.359353:0.291566:0.339940:0.067000:0.339940:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
I  :@0.067000:0.389410:0.089054:0.389410:0.089054:0.370178:0.067000:0.370178:0.000000:0.000000:0.000000
 :@0.127476:0.389410:0.135782:0.389410:0.135782:0.370178:0.127476:0.370178:0.000000
 :@0.187953:0.389410:0.196258:0.389410:0.196258:0.370178:0.187953:0.370178:0.000000
am   Dave. :@0.248429:0.389410:0.368293:0.389410:0.368293:0.370178:0.248429:0.370178:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
You    :@0.067001:0.419648:0.135782:0.419648:0.135782:0.400417:0.067001:0.400417:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 :@0.187953:0.419648:0.196258:0.419648:0.196258:0.400417:0.187953:0.400417:0.000000
are   Lisa. :@0.248429:0.419648:0.354968:0.419648:0.354968:0.400417:0.248429:0.400417:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
He / She / It  :@0.067001:0.449886:0.199585:0.449886:0.199585:0.430655:0.067001:0.430655:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
is  :@0.248429:0.449886:0.276934:0.449886:0.276934:0.430655:0.248429:0.430655:0.000000:0.000000:0.000000:0.000000
Tim / Jenny / my bike :@0.308905:0.449886:0.510130:0.449886:0.510130:0.430655:0.308905:0.430655:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
We / You / They   are   students. :@0.067001:0.480124:0.394318:0.480124:0.394318:0.460893:0.067001:0.460893:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
negative statements :@0.536921:0.359353:0.740260:0.359353:0.740260:0.339940:0.536921:0.339940:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
I:@0.536921:0.389410:0.542364:0.389410:0.542364:0.370178:0.536921:0.370178:0.000000
am:@0.718349:0.389410:0.746591:0.389410:0.746591:0.370178:0.718349:0.370178:0.000000:0.000000
John.:@0.839301:0.389410:0.882844:0.389410:0.882844:0.370178:0.839301:0.370178:0.000000:0.000000:0.000000:0.000000:0.000000
You:@0.536921:0.419648:0.570646:0.419648:0.570646:0.400417:0.536921:0.400417:0.000000:0.000000:0.000000
are:@0.718349:0.419648:0.747962:0.419648:0.747962:0.400417:0.718349:0.400417:0.000000:0.000000:0.000000
Tom.:@0.839301:0.419648:0.880508:0.419648:0.880508:0.400417:0.839301:0.400417:0.000000:0.000000:0.000000:0.000000
He / She / It  :@0.536921:0.449886:0.669505:0.449886:0.669505:0.430655:0.536921:0.430655:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
is  :@0.718349:0.449886:0.746854:0.449886:0.746854:0.430655:0.718349:0.430655:0.000000:0.000000:0.000000:0.000000
 :@0.778825:0.449886:0.787131:0.449886:0.787131:0.430655:0.778825:0.430655:0.000000
a nurse. :@0.839301:0.449886:0.918888:0.449886:0.918888:0.430655:0.839301:0.430655:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
We / You / They   are    :@0.536921:0.480124:0.787131:0.480124:0.787131:0.460893:0.536921:0.460893:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
teachers.:@0.839301:0.480124:0.918828:0.480124:0.918828:0.460893:0.839301:0.460893:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
not:@0.772233:0.440679:0.801383:0.440679:0.801383:0.421447:0.772233:0.421447:0.000000:0.000000:0.000000
It is possible to use contractions in spoken language both with affirmative :@0.057143:0.532345:0.739544:0.532345:0.739544:0.513114:0.057143:0.513114:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
and negative sentences. :@0.057143:0.550488:0.284429:0.550488:0.284429:0.531257:0.057143:0.531257:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
We :@0.057143:0.568631:0.094699:0.568631:0.094699:0.549400:0.057143:0.549400:0.000000:0.000000:0.000000
are:@0.094699:0.568812:0.126610:0.568812:0.126610:0.549400:0.094699:0.549400:0.000000:0.000000:0.000000
 football players – We:@0.126610:0.568631:0.329221:0.568631:0.329221:0.549400:0.126610:0.549400:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
’re:@0.329221:0.568812:0.352485:0.568812:0.352485:0.549400:0.329221:0.549400:0.000000:0.000000:0.000000
 football players. :@0.352489:0.568631:0.513051:0.568631:0.513051:0.549400:0.352489:0.549400:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
She   not my friend - She:@0.057143:0.586774:0.299733:0.586774:0.299733:0.567542:0.057143:0.567542:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
is:@0.098045:0.586955:0.112479:0.586955:0.112479:0.567542:0.098045:0.567542:0.000000:0.000000
 isn’t:@0.299733:0.586955:0.345715:0.586955:0.345715:0.567542:0.299733:0.567542:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 / she:@0.345715:0.586774:0.398612:0.586774:0.398612:0.567542:0.345715:0.567542:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
’s not:@0.398612:0.586955:0.450924:0.586955:0.450924:0.567542:0.398612:0.567542:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 my friend.:@0.450924:0.586774:0.547867:0.586774:0.547867:0.567542:0.450924:0.567542:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
questions :@0.076697:0.647552:0.175495:0.647552:0.175495:0.628140:0.076697:0.628140:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Are   you    :@0.076697:0.677609:0.205955:0.677609:0.205955:0.658378:0.076697:0.658378:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 :@0.258126:0.677609:0.266431:0.677609:0.266431:0.658378:0.258126:0.658378:0.000000
a teacher? :@0.318602:0.677609:0.421833:0.677609:0.421833:0.658378:0.318602:0.658378:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Is  :@0.076697:0.707847:0.106814:0.707847:0.106814:0.688616:0.076697:0.688616:0.000000:0.000000:0.000000:0.000000
he / she / it   :@0.137173:0.707847:0.266433:0.707847:0.266433:0.688616:0.137173:0.688616:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
at home? :@0.318602:0.707847:0.410584:0.707847:0.410584:0.688616:0.318602:0.688616:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Are   we / you / they  :@0.076697:0.738085:0.295198:0.738085:0.295198:0.718854:0.076697:0.718854:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
okay? :@0.318602:0.738085:0.376800:0.738085:0.376800:0.718854:0.318602:0.718854:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
short answers :@0.076697:0.800950:0.218252:0.800950:0.218252:0.781537:0.076697:0.781537:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Yes, I am.   Yes, she / he / it is.  :@0.076697:0.831007:0.387847:0.831007:0.387847:0.811775:0.076697:0.811775:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Yes, we/you/they are. :@0.439554:0.831007:0.642510:0.831007:0.642510:0.811775:0.439554:0.811775:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
No, I’m not.  No, she / he / it isn’t.  :@0.076697:0.861245:0.403631:0.861245:0.403631:0.842014:0.076697:0.842014:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
No, we / you/they aren’t. :@0.439554:0.861245:0.673292:0.861245:0.673292:0.842014:0.439554:0.842014:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Grammar:@0.107276:0.098911:0.225460:0.098911:0.225460:0.073269:0.107276:0.073269:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
the verb to be :@0.254047:0.086136:0.401992:0.086136:0.401992:0.066723:0.254047:0.066723:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
(affirmative, negative and questions forms):@0.254047:0.104279:0.672882:0.104279:0.672882:0.084866:0.254047:0.084866:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
MUESTRA EDITORIAL:@0.247926:0.947206:0.889680:0.113538:0.744870:0.050834:0.103116:0.884502:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
 Muestra editorial solo para fines didácticos – Prohibida su venta:@0.094013:0.659596:0.094013:0.341552:0.075915:0.341552:0.075915:0.659596:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000