Modal Auxiliary Verbs : Use & Examples

Modal Auxiliary Verbs 

In English grammar Modal Auxiliary Verbs are used to express mood of a speaker. We use Modal verbs to show possibility, ability, obligation, permission, request, suggestion or advice. We use base form of main verb with modal auxiliary verb.

e.g.

1. I can speak English.
2. He will come tomorrow.

Modal auxiliary verbs are super useful words that help us express things like possibility, necessity, ability, or permission in a sentence. They're like little helpers that make our sentences clearer and more interesting.

Some common modal auxiliary verbs include words like "can," "could," "will," "would," "may," "might," "shall," "should," "must," and "ought to."

Now, let's break it down a bit:

1. Possibility: When we're talking about something that might happen or could happen, we use modal auxiliary verbs like "may," "might," or "could." For example, "It may rain tomorrow."
2. Necessity: When something is necessary or required, we use modal auxiliary verbs like "must" or "have to." For instance, "You must finish your homework before you can play."
3. Ability: When we talk about what someone is able to do, we use modal auxiliary verbs like "can" or "could." For example, "She can speak three languages."
4. Permission: When we're asking for permission or giving permission, we use modal auxiliary verbs like "may," "can," or "could." For instance, "Can I borrow your pen?"

1. Can

We use "Can" for ability, possibility, informal request, etc

e.g.

1. I can swim. (Ability)
2. It can rain tomorrow. (Possibility)
3. Can you give me a pen? (Request)

2. Could

We use "Could" for past ability, possibility, polite informal request, etc.

e.g.

1. When I was a child I could run fast. (Past ability)
2. Someone is knocking on the door it could be John. (Possibility)
3. Could you please attend the call? (Polite informal request)

3. May

We use "May" for possibility, formal request/ permission, to express wish, etc.

e.g

1. John may go to movie in the evening. (Possibility)
2. May I come in sir? (Formal request/ Permission)
3. May God bless you. (Wish)

4. Might

We use "Might" for less possibility, etc.

e.g.

1. I might buy Ferrari. (Less possibility)

5. Should

We use "Should" for suggestion, advice, etc.

e.g

1. You should wash hands before meal.(Suggestion)
2. He is ill he should meet doctor. (Advice)

6. Must

We use "Must" for necessity, obligation, etc.

e.g

1. If you want to win the match you must practice. (Necessity)
2. We must pay taxes on time. (Obligation)
3. We must follow traffic rules. (Obligation)

7. Ought to

We use "Ought to" for moral obligation, etc

e.g.

1. We ought to respect elders.

8. Will

We use "Will" for certainty, request, in simple future tense, willingness, etc.

e.g.

1. Train will come on time. (Certainty)
2. Will you please pass the salt? (Request)
3. I will play football tomorrow. (Simple future tense)
4. Someone is knocking the door I will open it. (Willingness)

9. Would

We use "Would" for possibility, request, offer, etc.

e.g.

1. It would happen. (Possibility)
2. Would you please help me? (Request)
3. Would you like to have tea or coffee? (Offer)

10. Shall

We use "Shall" to take confirmation, etc.

e.g.

1. Shall I go now?
2. Shall we move ahead?

11. Used to

We use "Used to" for past repeated action, etc.

e.g.

1. I used to live in Paris.
2. When I was a child my father used to bring chocolates for me.

12. Need to

We use "Need to" for necessity, etc.

e.g

1. If you want to pass the exam you need to study hard.

Remember, We can use Modal Auxiliary Verbs in negative forms also.

Positive	Negative	Contraction
Can	Cannot	Can’t
Could	Could not	Couldn’t
May	May not	-
Might	Might not	-
Should	Should not	Shouldn’t
Must	Must not	Mustn’t
Ought to	Ought not to	Oughtn’t to
Will	Will not	Won’t
Would	Would not	Wouldn’t
Shall	Shall not	Shan’t
Used to	Did not use to	Didn’t use to
Need to	Need not to	Needn’t to

These little words add a lot of meaning to our sentences and help us communicate more effectively. So, the next time you're writing or speaking, remember to use modal auxiliary verbs to make your message clear and interesting!

See also : Helping or Auxiliary Verbs

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