Passengers ____ show their tickets to the driver.
- A. must(correct answer)
- B. must to
- C. musts
- D. have
Why: Must is the same for every subject. The base verb comes straight after it: no to, no -s.
A214 questions · Elementary · Modal Verbs and Related Expressions
Must and Have To Exercises with Answers
Choose between must, have to, has to and had to, ask Do you have to…?, and tell mustn't (don't do it) from don't have to (no need). Answers are explained.
14 questions
Sample questions with answers
It's a free concert, so we ____ buy tickets.
- A. don't have to(correct answer)
- B. mustn't
- C. doesn't have to
- D. haven't to
Why: The concert is free. There is no need to buy tickets: don't have to. Mustn't would mean buying a ticket is not allowed.
Yesterday Nam ____ stay late at school.
- A. had to(correct answer)
- B. must
- C. has to
- D. musted
Why: Yesterday is past. Must has no past form. Use had to for every subject.
Lessons on this topic
- Must and Have To
Must and have to both mean it is necessary. Has to and had to change form, must never does. Mustn't means don't do it; don't have to means you don't need to.
- Can / Can't
How can works: one form for every subject, a bare verb after it, questions without do, and short answers with can and can't.
- Should and Shouldn't
How to give advice with should and shouldn't: the base verb after should, Should I…? questions, I don't think you should, and the difference from must.
