Ability
Obligation
Possibility
Necessity
Permission/Requests
100

Five years ago, I (cannot, couldn't) play the piano.

Five years ago, I couldn't play the piano.

100

I (must, don't have to) pay my taxes today. It's the due date

I must pay my taxes today. It's the due date

100
I think I (will, would) go to the beach this Sunday.
I think I will go to the beach this Sunday.
100

We have enough milk in the fridge so we (must, mustn't, don't have to) buy some more.

We have enough milk in the fridge so we don't have to buy some more.

100

I want to go to the bathroom

May I go to the bathroom?

200

We (can, must) speak English well because we have studied hard.

We can speak English well because we have studied hard.

200

You (mustn't, don't have to) turn on right here, look at that sign

You mustn't turn on right here, look at that sign

200
I am feeling tired. I think I (would, will) go to sleep now.
I am feeling tired. I think I will go to sleep now.
200

Time is not on our side. We (must, mustn't, don't have to) hurry.

Time is not on our side. We must hurry.

200

I want you to wash the dishes

Could you please wash the dishes?

300

The volleyball team (has to, could) go to the Olympics this year if they are lucky.

The volleyball team could go to the Olympics this year if they are lucky.

300

You (have to, don't have to) do homework today, the teacher told us not to worry about it

You don't have to do homework today, the teacher told us not to worry about it

300
I (will, would) try to act like my father when I was young.
I would try to act like my father when I was young.
300

Mary gave me a letter to send. I (must, mustn't, don't have to) forget to mail it.

Mary gave me a letter to send. I mustn't forget to mail it.

300

I want to borrow your car

Can I borrow your car?

400

I (cannot, couldn't) run that fast when I was six years old.

I couldn't run that fast when I was six years old.

400

You (mustn't-must) park in this area, it's prohibited

You mustn't park in this area, it's prohibited

400
If you get in trouble, I (won't wouldn't) help you.
If you get in trouble, I won't help you.
400

You (must, mustn't, don't have to) wash those carrots. They've already been washed.

You don't have to wash those carrots. They've already been washed.

400

I want to ask you to lend me some money

Would you lend me some money?

500

I think I (can, have to) help you learn math if you study hard.

I think I can help you learn math if you study hard.

500

Billy and I (don't have to, must) cook dinner tonight. The guests will bring everything

Billy and I don't have to cook dinner tonight. The guests will bring everything

500
(Will, Would) you like steak or chicken?
Would you like steak or chicken?
500

He will be having lessons for another two hours. We (must, mustn't, don't have to) visit him now.

He will be having lessons for another two hours. We mustn't visit him now.

500

I want to take next week off

May I take next week off?