Must - You must clean your room - I must save your life - She must get a haircut - He must play outside - They must lend that ball - We must help our country - I must do my homework - You must asnwer his question - She must pass the ball - You must know the subjectCan : - I can solve a Rubik cube - Can you pass me your pencil?
- She cant jump very high - He can swim very well - Can they win the job?
- I cant sing right - You cant eat lactose - Can he dance well?
- She cant hear me - Can we split up?
How much, How many : - How many apples can you carry?
- I don't drink much coffee - I spend much time studying Math - You and he have many things in common - There are many students in my class - There won’t be much oil in the world - There isn’t much milk in the fridge - I mentioned it to you many times - I had been working in that firm for many years - There are many men working in the street.