Bài tập 2: Chọn câu trả lời đúng
1. I’m not sure. I ___________ come a few minutes late.
A. may B. must C. mustn’t D. needn’t
2. Bring your umbrella. It ___________ rain later today.
A. must B. may C. mustn’t D. needn’t
3. “What are you doing this weekend?”
“I haven’t decided yet. I ___________ go on a picnic with my family.”
A. may B. may not C. must D. needn’t
4. “I didn’t have time for breakfast this morning.”
“You ____________ be very hungry now.”
A. might B. may C. mustn’t D. must
5. It’s quite urgent. You ___________ type the reports today.
A. must B. might C. needn’t D. would
6. Don’t worry if you’re a minute or two late. We ___________ be exactly on time for the meeting.
A. must B. mustn’t C. needn’t D. may
7. Jane’s glasses are on the desk, so she ___________ be here.
A. must B. shall C. ought D. will
8. The gas tank is almost empty. We ______________ stop at the next service station.
A. mustn’t B. might C. needn’t D. had better
9. A person ______________ eat in order to live.
A. have to B. must C. should D. may
10. A person ____________ eat a balanced diet.
A. should B. ought C. may D. must
11. I don’t have enough money to take the bus, so I ______________ walk home.
A. should B. mustn’t C. have to D. needn’t
12. You ______________ eat these mushrooms. They are very poisonous.
A. needn’t B. can’t C. mustn’t D. won’t
13. I can’t find my umbrella. I _____________ it in the restaurant last night.
A. must have left B. had left C. left D. might leave
14. I had a test this morning. I didn’t do it well. I ______________ last night.
A. should study B. must have studied C. should have studied D. must study
15. Tom goes to school very often, but he was absent yesterday. He ______________ ill.
A. must be B. must have been C. might be D. might have been.

Bài tập 2: Chọn câu trả lời đúng

      1. I’m not sure. I ___________ come a few minutes late.

            A. may                          B. must                            C. mustn’t                        D. needn’t

      2. Bring your umbrella. It ___________ rain later today.

            A. must                        B. may                              C. mustn’t                        D. needn’t

      3. “What are you doing this weekend?”

            “I haven’t decided yet. I ___________ go on a picnic with my family.”

            A. may                          B. may not                        C. must                            D. needn’t

      4. “I didn’t have time for breakfast this morning.”

            “You ____________ be very hungry now.”

            A. might                       B. may                              C.  mustn’t                       D. must

      5. It’s quite urgent. You ___________ type the reports today.

            A. must                        B. might                           C. needn’t                         D. would

      6. Don’t worry if you’re a minute or two late. We ___________ be exactly on time for the meeting.

            A. must                        B. mustn’t                        C. needn’t                         D. may

      7. Jane’s glasses are on the desk, so she ___________ be here.

            A. must                        B. shall                             C. ought                           D. will

      8. The gas tank is almost empty. We ______________ stop at the next service station.

            A. mustn’t                    B. might                           C. needn’t                         D. had better

      9. A person ______________ eat in order to live.

            A. have to                     B. must                            C. should                          D. may

      10. A person ____________ eat a balanced diet.

            A. should                      B. ought                           C. may                              D. must

      11. I don’t have enough money to take the bus, so I ______________ walk home.

            A. should                      B. mustn’t                        C. have to                         D. needn’t

      12. You ______________ eat these mushrooms. They are very poisonous.

            A. needn’t                     B. can’t                             C. mustn’t                        D. won’t

      13. I can’t find my umbrella. I _____________ it in the restaurant last night.

            A. must have left          B. had left                         C. left                               D. might leave

      14. I had a test this morning. I didn’t do it well. I ______________ last night.

            A. should study             B. must have studied        C. should have studied      D. must study

      15. Tom goes to school very often, but he was absent yesterday. He ______________ ill.

            A. must be                    B. must have been            C. might be                       D. might have been.

Bài tập 2: Chọn câu trả lời đúng

      1. I’m not sure. I ___________ come a few minutes late.

            A. may                          B. must                             C. mustn’t                          D. needn’t

      2. Bring your umbrella. It ___________ rain later today.

            A. must                         B. may                              C. mustn’t                          D. needn’t

      3. “What are you doing this weekend?”

            “I haven’t decided yet. I ___________ go on a picnic with my family.”

            A. may                          B. may not                        C. must                             D. needn’t

      4. “I didn’t have time for breakfast this morning.”

            “You ____________ be very hungry now.”

            A. might                        B. may                              C.  mustn’t                         D. must

      5. It’s quite urgent. You ___________ type the reports today.

            A. must                         B. might                            C. needn’t                          D. would

      6. Don’t worry if you’re a minute or two late. We ___________ be exactly on time for the meeting.

            A. must                         B. mustn’t                          C. needn’t                          D. may

      7. Jane’s glasses are on the desk, so she ___________ be here.

            A. must                         B. shall                              C. ought                            D. will

      8. The gas tank is almost empty. We ______________ stop at the next service station.

            A. mustn’t                      B. might                            C. needn’t                          D. had better

      9. A person ______________ eat in order to live.

            A. have to                     B. must                             C. should                           D. may

      10. A person ____________ eat a balanced diet.

            A. should                       B. ought                            C. may                              D. must

      11. I don’t have enough money to take the bus, so I ______________ walk home.

            A. should                       B. mustn’t                          C. have to                         D. needn’t

      12. You ______________ eat these mushrooms. They are very poisonous.

            A. needn’t                      B. can’t                             C. mustn’t                          D. won’t

      13. I can’t find my umbrella. I _____________ it in the restaurant last night.

            A. must have left            B. had left                         C. left                                D. might leave

      14. I had a test this morning. I didn’t do it well. I ______________ last night.

            A. should study              B. must have studied          C. should have studied        D. must study

      15. Tom goes to school very often, but he was absent yesterday. He ______________ ill.

            A. must be                     B. must have been             C. might be                        D. might have been.

VII.  Choose the correct form.

1.  Our dog is amazing - it __________ sing!

     a. should             b. must                c. can                   d. might

2.  Bring your umbrella - it __________ rain later.

     a. can                   b. might               c. must                 d. should

3.  All students __________ wear their uniforms to school.    

     a. should             b. will                  c. may                  d. must

4.  We __________ wash our hands before we have our meals.        

     a. could               b. can                   c. should             d. might

5.  __________ we go to the beach today? ~ Great!        

     a. Shall                b. Will                 c. Might              d. Should

6.  Students __________ use a dictionary during the test. It’s forbidden.  

     a. can’t                b. mustn’t            c. might not        d. won’t

7.  I __________ go to the football match but I don’t know yet.       

     a. can’t                b. shouldn’t        c. might not        d. mustn’t

8.  Ingrid __________ play the violin when she was six.

     a. can’t                b. could               c. might               d. shouldn’t

9.  __________ you like something to drink?

     a. Could              b. Should            c. Will                 d. Would

10.    I’m afraid of water because I __________ swim.  

     a. can’t                b. may                 c. couldn’t          d. must

Exercise 4: Choose the correct form.

27.1. Our dog is amazing - it __________ sing!

a. should

b. must

c. can

d. might

28.2. Bring your umbrella - it __________ rain later.

a. can

b. might

c. must

d. should

29.3. All students __________ wear their uniforms to school.

a. should

b. will

c. may

d. must

30.4. We __________ wash our hands before we have our meals.

a. could

b. can

c. should

d. might

31.5. __________ we go to the beach today? ~ Great!

a. Shall  

b. Will

c. Might

d. Should

32.6. Students __________ use a dictionary during the test. It’s forbidden.

a. can’t

b. mustn’t

c. might not

d. won’t

33.7. I __________ go to the football match but I don’t know yet.

a. can’t

b. shouldn’t

c. might not

d. mustn’t

34.8. Ingrid __________ play the violin when she was six.

a. can’t

b. could

c. might

d. shouldn’t

35.9. __________ you like something to drink?

a. Could

b. Should

c. Will

d. Would

36.10. I’m afraid of water because I __________ swim.

a. can’t

b. may

c. couldn’t

d. must

EXERCISES: CHOOSE THE BEST MODAL TO COMPLETE EACH OF THESE SENTENCES

1. I'm not sure. I ………… come a few minutes late.

a. may b. must c. mightn't d. needn't

2. Bring your umbrella. It ……… rain later today.

a. must b. may c. might d. b & c

3. – What are you doing this weekend \? – I haven't decided yet. I ……….. go on a picnic with my family.

a. may b. may not c. must d. needn't

4. I think we ………… be on time for the meeting after all, so don't worry.

a. must b. need c. may d. shouldn't

5. – Do you think they will come today? – Well, they ………. come today. But I think they'll want to look around first.

a. must b. needn't c. might d. can't

6. You ………. wash the car. I just had it done yesterday.

a. mustn't b. needn't c. might d. can't

7. "Have you seen Jack?" – "No. but he …….. be studying in the laboratory."

a. must b. should c. needn't d. may

8. It's secret. You ……….. let anyone know about it.

a. mustn't b. needn't c. mightn't d. may not

9. "I didn't have time for breakfast this morning." "You ……….. be very hungry now"

a. might b. may c. must d. a and b

10. She ___ be ill. I have just seen her playing basket ball in the school yard.

a. needn't b. shouldn't c. mustn't d. can't

11. Hiking the trail to the peak ______ be dangerous if you are not well prepared for dramatic weather changes. You _______ research the route a little more before you attempt the ascent.

a. might / can b. may / mustn't c. can / should d. must / needn't

12. Peter has been working for 10 hours. He _______ be very tired now.

a. needn't b. must c. has to d. should

13. He is unreliable. What he says _______ be believed.

a. cannot b. must not c. may not d. might not

14. I _______ find my own way there. You _______ wait for me.

a. should / can't b. have to / must c. can / needn't d. might/mustn't

Help me ~~T_T

4. Bring your umbrella - it ______ rain later. A. can B. might C. must D. should

5. We also watch films _______ smart phones. A. in B. at C. on D. to

6. Our future houses will use _______ energy, and they are very friendly to the environment. A. sun B. sunny C. solar D. lunar

7. We will have more robots _______ they can help us do housework and protect our houses. A. so B. because C. so that D. although

8. My grandparents ______ for dinner tonight. A. will come B. come C. is coming D. have come

9. There are a lot of clouds in the sky so it ______ rain later. A. should B. might C. should not D. might not

10. We won't have a meeting ______. A. every day B. recently C. tomorrow D. yesterday

Chọn câu trả lời đúng nhất để hoàn thành các câu sau:

1. My teacher .......... speak three languages.

A. must B. should C. will D. can

2. His mother says he .......... go home before 9 p.m

A. must B. would C. can D. could

3. "Will you stay for lunch?"-"Sorry, I .......... "My brother is coming to see me."

A. must B. can't C. needn't D. won't

4. You .......... brush your teeth before bed time.

A. can B. should C. could D.will

5. He .......... come here in a few minutes. I am not sure.

A. could B. may C. should D. must

6. .......... you tell me the way to the Lenin Park?

A. Could B. Should C. Shall D. Must

7. You .......... eat too many candies.

A. should B. can C. shouldn't D. must

8. I can sing well but I .......... play the piano.

A. will B. can't C. should D. could