Modal Meanings - Which modal should you choose?

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Meaning

Modal

Phrasal Modal

Example Sentence

Polite request or Permission

can

may

could

will

would

--

Can I play tennis? (informal)

May I play tennis?

Could I borrow your pen?

Will you please help me?

Would you please pass the salt? (very polite)

Necessity

must

 

 

 

have to

have got to

I must go to work tomorrow!

I have to go to work tomorrow!

I have got to work hard tomorrow!

Advice or Suggestion

could (weaker)

should (stronger)

 

 --

ought to

had better (strongest)

She could have chicken or fish for dinner.

She should / ought to accept the invitation.

She had better get to work on time today.

Obligation or Expectation

--

be supposed to

Parents are supposed to take care of their children.

She is supposed to come over to help me tonight.

Ability

can (present)

 

could (past)

be able to (present or past)

John can run fast. (present)

John is / was able to run fast.

John could run fast when he was a child. (past)

Repeated actions in the past

would

used to

My mother would read stories to me when I was young.

My mother used to read stories to me when I was young.

Degree of Certainty

  

Click here to watch a video about degrees of certainty with modals

will (strongest)

must

should

might

may

could (weakest)

be going to

--

ought to

--

--

--

I will / am going to succeed if I try my best! (99-100%)

The grass is wet. It must be raining. (95%)

His plane should arrive at 9:00 pm. (90%)

His plane might arrive at 9:00 pm. (<50%)

We may see a movie tomorrow. (<50%)

We could see a movie or go to the beach tomorrow. (<50%)

After you study the list above, try the Drag N Drop Activity to test your knowledge.

 

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alternative accessible content Practice with the MEANINGS of modals. Drag the sentence from the bottom to the column on the right next to its meaning.
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