Use Modal Auxiliaries
Use Modal Auxiliaries- Know more about it
Modal auxiliaries are a type of auxiliary verb used to express various degrees of possibility, necessity, permission, ability, or obligation in a sentence.
They are often used to modify the meaning of the main verb in a sentence.
See Common modal auxiliaries in English below.
1) Can: Used to express ability, permission, or possibility.
e.g.
i) She can speak English fluently.
ii) You can go to the party if you finish your homework.
2) Could: Used to express past ability or polite requests.
e.g.
i) When I was younger, I could run faster.
ii) Could you please pass the salt?
3) May: Used to express possibility, permission, or a wish.
e.g.
i) It may rain later, so bring an umbrella.
ii) May I use your phone?
4) Might: Similar to ‘may’, used to express possibility, but with a lower degree of certainty.
e.g.
i) He might come to the meeting, but I’m not sure.
ii) They might help me but my friend hasn’t confirmed it.
5) Must: Used to express necessity or obligation.
e.g.
i) You must complete your assignment before the deadline.
ii) Radha must remember to buy milk on her way home.
6) Should: Used to express advice, recommendation, or expectation.
e.g.
i) You should eat more vegetables for a healthier diet.
ii) He should call his parents tonight.
7) Shall: Used to indicate a future action, often in formal or legal contexts, or to make suggestions or offers.
e.g.
i) We shall meet again tomorrow at 9 AM.
ii) Shall I help you with your bags?
8) Will: Used to express future actions or intentions, as well as willingness or insistence.
e.g.
i) She will visit her grandparents next weekend.
ii) I will help you with your project.
9) Would: Used to express hypothetical situations, polite requests, or preferences.
e.g.
i) If I won the lottery, I would travel the world.
ii) Would you like some tea?
These modal auxiliaries can be combined with other verbs to convey a wide range of meanings in English sentences.
Table to learn use of Modal Auxiliaries

Test on Modal Auxiliaries
1) I shall buy a scooter next month.
(Use modal auxiliary showing ability)
2) Students may obey their parents.
(Use modal auxiliary advice)
3) They need to be protected.
(Use modal auxiliary showing obligation)
4) You should do what your teacher tells you
(Use modal auxiliary showing possibility)
5) I will teach you this lesson next month.
(Use modal auxiliary showing less certainty)
6) Can I Come in?
(Use modal auxiliary showing permission)
7) Will you give me a pen?
(Use modal auxiliary showing request)
8) She will enter the class.
(Use modal auxiliary showing prohibition)
Answers-
1) I can buy a scooter next month.
2) Students should obey their parents.
3) They must be protected.
4) You might do what your teacher tells you
5) I may teach you this lesson next month.
6) May I come in?
7) Could you give me a pen?
8) She may not enter the class.
Read More-
Workload for Jr. College Teacher
Simple, Compound and Complex Sentence
Online Test on Modal Auxiliaries
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Click on each correct option
Solve all ten sentences.
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Modal Auxiliaries – Solve the Questions
(Choose the Correct Modal Auxiliary)
1) I ___ swim very well when I was ten.
A. may
B. could
C. would
D. should
Answer: B. could
2) You ___ park your car here; it’s a private area.
A. should not
B. must not
C. might not
D. may not
Answer: B. must not
3) ___ we go for a walk now?
A. Must
B. Shall
C. Might
D. Could
Answer: B. Shall
4) She ___ finish the project today if she works hard.
A. should
B. might
C. must
D. would
Answer: B. might
5) You ___ speak loudly in the library.
A. should
B. must not
C. could
D. may
Answer: B. must not
6) ___ you like a cup of tea?
A. Would
B. Must
C. Should
D. May
Answer: A. would
7) We ___ leave early tomorrow.
A. will
B. may
C. must
D. should
Answer: A. will
8) They ___ arrive late because of traffic.
A. will
B. might
C. must
D. should
Answer: B. might
9) You ___ take an umbrella; it looks like rain.
A. must
B. may
C. could
D. should
Answer: D. should
10) She ___ be the new principal. I overheard the staff talking.
A. might
B. can
C. must
D. could
Answer: A. might
11) We ___ obey the rules of the school.
A. may
B. should
C. must
D. might
Answer: C. must
12) You ___ worry. Everything will be fine.
A. must not
B. should not
C. might not
D. need not
Answer: D. need not
13) He ___ be very tired after working for 12 hours.
A. must
B. should
C. may
D. can
Answer: A. must
14) ___ I open the door for you?
A. Must
B. Should
C. Will
D. Might
Answer: C. Will
15) They ___ finish the task tomorrow. They have enough time.
A. should
B. must
C. could
D. may
Answer: A. should
16) You ___ touch the wires; they are dangerous.
A. must not
B. may not
C. should
D. could
Answer: A. must not
17) He ___ play guitar when he was younger.
A. may
B. could
C. shall
D. must
Answer: B. could
18) She ___ join us for dinner if she finishes work early.
A. could
B. must
C. should
D. may
Answer: D. may
19) I ___ rather stay home than go to the party.
A. must
B. will
C. should
D. would
Answer: D. would
20) You ___ be polite to elders.
A. must
B. may
C. could
D. might
Answer: A. must
21) They ___ be in the classroom. I saw them entering.
A. should
B. might
C. must
D. may
Answer: C. must
22) You ___ skip meals. It is unhealthy.
A. must not
B. might not
C. should not
D. may not
Answer: C. should not
23) The students ___ submit the homework today if they want full marks.
A. must
B. might
C. could
D. would
Answer: A. must
24) He looks upset. There ___ be some problem.
A. may
B. should
C. can
D. will
Answer: A. may
25) ___ you mind closing the window?
A. Must
B. Could
C. May
D. Might
Answer: B. could
26) You ___ go out now; the teacher is coming.
A. might not
B. should not
C. could
D. must not
Answer: D. must not
27) They ___ play in the park after school.
A. would
B. will
C. can
D. must
Answer: C. can
28) You ___ take rest; you look tired.
A. must
B. would
C. should
D. might
Answer: C. should
29) He ___ come to the party, but he is not sure yet.
A. must
B. may
C. would
D. will
Answer: B. may
30) You ___ wear a helmet while riding a bike. It is compulsory.
A. can
B. should
C. must
D. might
Answer: C. must
31) ___ you please help me with this homework?
A. Should
B. Must
C. Will
D. May
Answer: C. Will
32) She ___ speak four languages fluently.
A. must
B. can
C. may
D. should
Answer: B. can
33) It ___ rain today. The sky is very cloudy.
A. should
B. must
C. might
D. can
Answer: C. might
34) Students ___ submit the assignment by Friday. It is necessary.
A. should
B. could
C. must
D. might
Answer: C. must
35) When we were children, we ___ play outside all day.
A. must
B. would
C. should
D. may
Answer: B. would
36) You ___ eat more vegetables. They are good for your health.
A. could
B. should
C. might
D. must
Answer: B. should
37) Visitors ___ enter without permission.
A. must not
B. should not
C. may not
D. would not
Answer: A. must not
38) He ___ be at home now; I saw him leave a minute ago.
A. must
B. could
C. can’t
D. might
Answer: C. can’t
39) You ___ open the window if you feel hot.
A. must
B. may
C. would
D. should
Answer: B. may
40) You ___ close the door if you feel hot.
A. must not
B. may not
C. would not
D. should not
Answer: B. may not
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