UNIDAD 51
Ejercicio 1
1 be able to 2 used to 3used to
4be able to 5 be able to 6 used to 7 be able to
8 use to 9 be able to 10 be able to 11 be able to 12 be able to 13 used to
14 used to 15 used to 16 be able to 17 be able to 18 been able to 19 been able to 20 used to
21 used to 22 been able to 23 be able to 24 be able to 25 use to
26 use to 27 used to
Ejercicio 2
1 was allowed to 2 was about to 3 was allowed to 4 was allowed to 5 been allowed to 6 was about to 7 was about to 8 been allowed to 9 been allowed to 10 been allowed to 11 was about to 12 be allowed to 13 be allowed to 14 was about to
UNIDAD 52
Ejercicio 1
1 Aren’t you feeling well? 2 Isn’t
Mr. Smith here? 3 Didn’t you get my
letter? 4 Didn’t I see you at the
concert last night? 5 Can’t you do it
faster? 6 Can’t you see that I love
you? 7 Couldn’t you stay awake? 8 Shouldn’t you change your profession? 9 Shouldn’t you prepare for the future? 10 Haven’t you been there before? 11 Haven’t you finished yet? 12 Why didn’t you tell me that? 13 Why didn’t you return the money? 14 Why can’t we go by car?
Ejercicio 2
1 E 2 B 3
C 4 A
5 F 6 H 7 G 8
D
Ejercicio 3
1 bigger and bigger 2 easier and
easier 3 heavier and heavier 4 more and more 5 more and more
6 warmer and warmer