can
-She can play tennis.
must.
-You must do homework before going to school.
shall:
-Shall we play tennis?
Chấm điểm nhé
 

Students must do their homework.
You should visit your parents often.

- Should
-> You should not eat too much candy
- must
-> You must go to bed now
- will
-> I will go home

1.must (mustn't):
EX: You must (mustn't) ride your bike.
2.should (shouldn't):
EX: She shuold (shouldn't) clean the board.
3.may (may not):
EX: My brother may (may not) bring the umbrella.
4.will (won't):
EX: My sister will (won't) cook dinner.
5.can (can not):
EX: I can (can not) draw a nice picture.