Have to and Must Exercises

UNIT 31 Have to and Must  Exercises

31.1   Complete these sentences with must or have to (in its correct form). Sometimes it is possible to use either; sometimes only have to ispossible.

Examples: Well, it's 10:00. I must (or have to). go now
                   Ann wasn't feeling well last night. She had to leave the party early.

1.   You really ______________ work harder if you want to pass that exam.

2.   Some children__________________wear uniforms when they go to school.

3.   Last night Don suddenly became ill. We__________________call the doctor.

4.   Ann has _________________ wear glasses since she was eight years old

5.   I'm afraid I can't come tomorrow. I_________________work late.

6.   I'm sorry I couldn't come yesterday. I _______________ work late.

7.   Tom  ______________ go away next week.

8.   We couldn't repair the car ourselves. We ________________ take it to a garage.

9.   When you come to Houston again, you _______________ come and see us


31.2   Make questions with have to.
Example: "Tom had to go to the police station.''
Why did he have to go to the palice station?

1.   ''Linda has to leave tomorrow.''   "What time exactly___________________________________________''

2.   "We had to answer a lot of questions on the exam.''  
''How many questions__________________________________________''

3.   "George had to pay a parking fine''   ''How much_______________________________________________''

4.   "I have to get up early tomorrow''   "Why______________________________________________________''                        

31.3   Make negative sentences with have to.

Example: ''Did they change planes?''
"No, it was a direct flight, so they didn't have to change planes.''

1.   "Did you pay to get into the concert?"
"No, we had free tickets, so we______________________________________________________''

2.   "Does Jack shave
"No, he has a beard, so ______________________________________________________________''

3.   "Did you get up early this morning?"
"No, it's my day off, so _________________________________________________________________''

4.   "Do you work?
No, I'm extremely rich, so ________________________________________________________''


31.4   Complete these sentences with mustn't or don't/doesn't have to.

Examples: I don't want anyone to know. You mustn't tell anyone what I said.
I don't have to wear a suit to work, but I usually do.

1.   I can stay in bed tomorrow morning because I _______________________ work.

2.   Whatever you do, you________________________touch that switch. It's very dangerous.

3.   You ___________________ forget what I told you. It's very important.

4.   She ___________________ get up so early. She gets up early because she likes to

5.   We ____________________ leave yet. We've got plenty of time.



Answers

31.1

1- must.
2- have to.
3- had to.
4- had to.
5- have to.
6- had to.
7- must.
8- must.
9- must.

31.2

1- does she have to leave tomorrow?
2- do you have to answer?
3- did he have to pay?
4- do you have to get up early?

31.3

1- didn't have to pay the tickets.
2- he doesn't have to shave.
3- I didn't have to get up early.
4- I don't have to work.

31.4

1- don't have to.
2- mistn't.
3- don't have to.
4- doesn't have to.
5- musn't.