MODALS

Kinds of modals and their use in English sentences:

No.	MODAL	USES	PRESENT/FUTURE	PAST
1.	CAN	Ability Permission	I can do the test. All students can enter the room
2.	COULD	Past ability Polite questions		We could be in love. Could I have your name?
3.	MAY	Permission Possibility	May I enter the room? They may be late.	They may have been here yesterday.
4.	MIGHT	possibility		She might come tonight