C) Rewrite the following sentences using MUST / CAN’T / MAY / MIGHT with the
suitable infinitive forms (+infinitive or +perfect infinitive) according to their tenses:
1.
It is possible that they will not reach agreement.
……………………………………………………………………………………………
2.
Perhaps you found you made a mistake.
……………………………………………………………………………………………
3.
It is certain that our boss will give a rise in our salary.
……………………………………………………………………………………………
4.
It is impossible that she won the beauty contest last year.
……………………………………………………………………………………………
5.
Perhaps parents will find that they cannot understand the new teaching methods being
introduced in primary schools.
……………………………………………………………………………………………
6.
It is not impossible that the Government’s policy will prove to be little short of disastrous.
……………………………………………………………………………………………
7.
I’m sure Jane got 5 in her last exam.
……………………………………………………………………………………………
8.
I’m sure you will catch the 5 o’clock train.
……………………………………………………………………………………………
9.
It is possible that he changed his mind after I had offered him the job.
……………………………………………………………………………………………
10.
I’m sure Tom didn’t visit his parents last year because he was abroad and very busy.
……………………………………………………………………………………………
D) Complete the responses to the statements, using MUST or CAN’T to suggest what seems
to be most likely explanations:
1.
His fiancée writes him everyday. She must ………………………………………………...
2.
I don’t seem to have my key with me . I must ……………………………………………...
3.
He drives a Rolls-Royce and his wife a Mercedes. They must …………………………….
4.
He has no idea what the book is about. He can’t …………………………………………...
5.
He talks about going to the moon next year. He must ……………………………………...
6.
She didn’t reply to his letter. She can’t ……………………………………………………..
7.
He wears glasses all the time. His eyesight can’t …………………………………………..
8.
He said he would ring, but he hasn’t. He must ……………………………………………..
9.
The last bus has already gone. It must ……………………………………... than I thought.
10.
I’m amazed that she married him so soon. She can’t ………………………………………