UNIDAD 4 - Las soluciones
HAVE TO, MUST, NEED NOT, CANNOT y SHOULD
Observe que puede haber otras opciones a las respuestas dadas. Además, se ha usado / para indicar alternativas diferentes.
1
a have to b has to c must d must e must / have to
2
a does not have to b need not / do not have to c need not / do not have to d do not have to / need not e do not have to / need not
3
a had to b did not have to c had to d did not have to e will have to
4
a must not b must not c must not d must not e must not
5
a must b should c should d must e must
6
a need not b need not c need not d need not e need not
7
a must, cannot b cannot c cannot, must d cannot e must
8
a had to b had to c need not d need not / do not have to e had to f must not g had to h had to i must j cannot k cannot, must l need not / do not have to m need not n will have to o need not / do not have to p must not q did not have to r must s must t should u has to v had to w must not x will have to / should y need not / do not have to z had to