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Have to, Don't have to, Must, Mustn't Exercises with Answers

"Have to," "Don't have to," "Must," and "Mustn't" are used to talk about rules, necessity, and prohibition. "Have to" and "Must" show obligation, while "Don't have to" means something is not necessary, and "Mustn't" indicates something is not allowed. Practice these Have to, Don't have to, Must, Mustn't Exercises with Answers to improve your understanding and avoid mistakes.

List of Have to, Don't have to, Must, Mustn't Exercises

The following are the practice exercises on "Have to, Don't have to, Must, Mustn't".

• Exercise 1: Fill in the Blanks
• Exercise 2: Choose the Correct Word
• Exercise 3: Rewrite the Sentences
• Quiz: Test Your Knowledge

Exercise 1: Fill in the Blanks

Fill in the blanks with "have to", "don't have to", "must", or "mustn't".

1. You ___ wear a seatbelt while driving.
2. Students ___ complete their homework on time.
3. You ___ touch the electric wires.
4. We ___ be at the airport by 6 AM.
5. She ___ wake up early on Sundays.
6. They ___ take an umbrella; it's going to rain.
7. Employees ___ wear formal attire in the office.
8. You ___ speak during the exam.
9. We ___ hurry; we have plenty of time.
10. He ___ finish his assignment before the deadline.

Answers of Exercise 1

1. must
2. have to
3. mustn't
4. must
5. don't have to
6. have to
7. have to
8. mustn't
9. don't have to
10. have to

Exercise 2: Choose the Correct Word

Select the correct word for each sentence.

1. You (must/mustn't/have to) stop at a red light.
2. We (don't have to/must/mustn't) go to school on Sundays.
3. Passengers (must/have to/mustn't) show their tickets before boarding.
4. She (mustn't/must/have to) tell anyone the secret.
5. Children (must/mustn't/don't have to) play with fire.
6. They (have to/don't have to/must) submit the form before the deadline.
7. You (must/mustn't/don't have to) enter the laboratory without a lab coat.
8. We (must/have to/mustn't) leave early to catch the train.
9. Students (must/mustn't/don't have to) be quiet in the library.
10. I (must/have to/don't have to) clean my room before guests arrive.

Answers of Exercise 2

1. must
2. don't have to
3. must
4. mustn't
5. mustn't
6. have to
7. mustn't
8. must
9. must
10. have to

Exercise 3: Rewrite the Sentences

Rewrite the sentences using "have to", "don't have to", "must", or "mustn't".

1. It is necessary to wear a uniform. → You ___ wear a uniform.
2. It is prohibited to park here. → You ___ park here.
3. There is no need to bring lunch; it's provided. → You ___ bring lunch.
4. It is essential to lock the door before leaving. → You ___ lock the door.
5. It is not necessary to attend the meeting. → You ___ attend the meeting.
6. It is forbidden to take photos in the museum. → You ___ take photos in the museum.
7. It is compulsory to submit the report. → You ___ submit the report.
8. It is not necessary to wear a tie. → You ___ wear a tie.
9. It is essential to fasten your seatbelt. → You ___ fasten your seatbelt.
10. It is prohibited to smoke in the hospital. → You ___ smoke in the hospital.

Answers of Exercise 3

1. must
2. mustn't
3. don't have to
4. must
5. don't have to
6. mustn't
7. have to
8. don't have to
9. must
10. mustn't

Quiz: Test Your Knowledge

Select the correct answer for each question.

1. Students ___ submit their assignments on time. --Select-- must mustn't don't have to
2. You ___ eat in the classroom. --Select-- must mustn't have to
3. We ___ leave early to catch the flight. --Select-- must mustn't don't have to