PERMISSION
ADVICE
DEDUCTION
100

A: Queen Elizabeth, ___ I please speak with you?

May / could - more formal

Can - informal


100

You ___ drink water everyday

Should


100

She ______ be in New York city. [moderate]

might / may

200

A: Excuse me miss, ___ you pass me my backpack?

Could / can / may


200

People ___ smoke, is bad for your health

Shouldn't


200

A: Someone rang the door bell.

B: It _____ be the postman, he always comes at 7. [strong]

must

300

 Miss, ___ I go to the bathroom?

Can / could / may

300

You ____ drink coke, instead, you ___ drink water

Shouldn't, should


300

It _____ rain tomorrow. [moderate]

may / might

400

__ I get the soup with the chicken, please?

Could / can / may

400

A: ___ I call my friend?

B: I think, you ___. It's 2 am

Should, shouldn't

400

They ______ win the competition. They've been training very hard. [moderate]

may / might

500

What modal verbs do we use to express/ask permission or request?

Can, could, may


500

What modal verbs do we use to express an advice?

Should & shouldn't


500

What modal verbs do we use to express a possibility?

Might, may, must