Modal verbs

Which verbs are used for requests?

• must/mustn't

• Can/Could/Will/Would you...

• can/may/might

Mustn't is

• logical assumption

• obligation

• permission

• prohibition

The equivalent of must is ...

• have to

• be able to

• be allowed to

Which verbs are used to express offers or suggestions?

• Can/Could/May/Might

• needn't/don't have to

• Can/Could/Will/Would you...?

• Can/Could/Shall

Can't is ...

• strong advice

• permission

• negative logical assumption

Which modal verb do you use for strong advice?

• should

• can

• must

• ought to

Which verbs are used to ask for permission?

• Must/can't

• Can/Could/May/Might

• Can/Could/Shall

The equivalent of can is ...

• have to

• be able to

• be allowed to

Which verb is used to express positive logical assumption?

• can

• should

• must

could/may/might + present infinitive is used for...

• requests

• possibility in the present or in the future

• permission