EF234 One-word modals

I could pick you up at 3 if you like. possible
I can pick you up. definite
Could you pick me up today if you have time?
He could fix the sink if he has time.
He can fix the sink today.

must- necessary
You must watch your children at the beach.
In Vancouver, you must wear a helmet when you ride a bicycle.
She must get an A in English 12.

The doctor said that he must lose 20 pounds and quit smoking.

must wear must+to wear

must get must + to get

could
Could you help me move these books?
Could you move your car?
I'll move my car in five minutes.
I will park around the back.\

You must go right now.

You must be (adjective).
You must be crazy.
You must be tired.
You must be happy.
You must be joking.
You must be kidding.

may- polite
May I borrow your car?
May I have another cookie?

can-more casual
Can I borrow your car?
Can I have another cookie?

modal + infinitive -'to'
will     + to stay
We will stay in a hotel.
We will stayed in a hotel. NO
We will staying in a hotel. NO
We will be staying in a hotel. OK
We will to be staying in a hotel.

would
if would- giving advice
If I were you, I would ...
If I were you- if I were in your situation
If I were you, I would take it to the garage.

should- giving advice
You should ...
You should be careful with that knife.
You should walk the dog before supper.