Exercise 11. Rewrite the sentences, using must.

Example: It is necessary for me to go to the lab after classes. I must go to the lab after classes.

a

1. It is necessary for you to read a lot of literature.

2. It is necessary for me to give a paper at the seminar.

3. It is necessary for him to write an account of his work.

4. It is necessary for us to discuss this question with the group-leader.

5. It is necessary for them to attend lectures.

6. It is necessary for the students to get ready for their exams.

7. It is necessary for me to get my degree this year.

8. It is necessary for her to brash up her English.

b

1. It is necessary for them to take their exams as soon as possible.

2. It is necessary for him to improve his intonation and pronunciation.

3. It is necessary for them to read up for the exams.

4. It is necessary for you to study harder.

5. It is necessary for you to have a computer password.

6. It is necessary for you to be here at 5 o'clock tomorrow.

7. It is necessary for your sister to see him.

8. It is necessary for her to learn up her English.