Question

Nas frases abaixo como usar could, can, couldn't, can't.

1.Mary tried hard to persuade her friend but she____ change her mind.
2. Bijan says he ___speak four languages but they___ communicate with the tourists yesterday as he was a bit nervous.
3. Adan and her mother ___ open the door because it was locked.
4. I ___finally talk to John after I tried to reach him on the phone for hours.

5. Mike was the only one who___ understand me, but now he___ .
6. Before the nuclear disaster in the 1980's, people____ grow everything in their gardens.
7. No matter how hard I try, I ____ see the 3D picture Susan says she___.
8. The teams____ choose their opponents. That will be decided by the jury.

Answer 1

1- can't
2-can / couldn't
3- can't
4- can
5- can /can't
6-couldn't
7-can't / can
8- can

Answer 2

1. couldn't
2.can/couldn't
3.couldn't
4.can
5.could/can't
6.could
7.can/can't
8.can