Grammar Quiz

Modal Verbs - Obligation Quiz


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Be on time. You ______ be late or we will leave without you.

A. have to

B. has to

C. don’t have to

D. mustn’t


John can’t come because he …………. work tomorrow.

A. have to

B. has to

C. don’t have to

D. doesn’t have to


We …………. rush. We have lots of time.

A. don’t have to

B. have to

C. mustn’t


You …………. apologise; it isn’t necessary.

A. have to

B. has to

C. don’t have to

D. doesn’t have to


I like Sundays because I ______ go to work.

A. have to

B. has to

C. don’t have to

D. doesn’t have to


You …………. drive so fast; we have a lot of time.

A. don’t have to

B. doesn’t have to

C. mustn’t


Do you …………. wear a uniform at your school?

A. have to

B. has to


Visitors to the zoo …………. feed the animals.

A. have to

B. don’t have to

C. mustn’t


You …………. smoke inside the school.

A. have to

B. don’t have to

C. doesn’t have to

D. mustn’t


We have a lot of work tomorrow. You …………. be late.

A. mustn’t

B. don’t have to

C. doesn’t have to


You …………. put salt in her food; the doctor said she can’t eat salt.

A. don’t have to

B. doesn’t have to

C. mustn’t


I …………. do my washing because my mother does it for me.

A. must

B. mustn’t

C. don’t have to

D. doesn’t have to


It’s not obligatory to take a tie. You …………. wear one.

A. must

B. mustn’t

C. don’t have to


You …………. speak to the driver when the bus is moving. It’s dangerous.

A. must

B. mustn’t

C. don’t have to


My wife …………. cook tonight. I will take her to a restaurant.

A. have to

B. has to

C. don’t have to

D. doesn’t have to


The train is direct. You ______ change trains.

A. have to

B. don’t have to


You …………. ask my permission. You can do what you want.

A. have to

B. don’t have to

C. mustn’t


You …………. tell anyone what I just told you. It’s a secret.

A. mustn’t

B. don’t have to

C. doesn’t have to


The museum is free. You …………. pay to get in.

A. mustn’t

B. don’t have to

C. doesn’t have to


John’s a millionaire. He …………. go to work.

A. must

B. mustn’t

C. don’t have to

D. doesn’t have to


It is forbidden. You …………. do that.

A. must

B. mustn’t

C. don’t have to


This is very important. You ______ forget what I said.

A. must

B. mustn’t


You …………. hand in your homework on Tuesday or your mark will be zero.

A. must

B. mustn’t

C. don’t have to

D. doesn’t have to


You …………. study to pass in the exam.

A. mustn’t

B. don’t have to

C. must


You …………. go now; you can stay a bit longer.

A. don’t have to

B. mustn’t




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