1. MODALS
ABILITY, PERMISSION, OBLIGATION

2. THE 9 MODALS CAN/COULD: CAPABILITY MAY/WOULD/MIGHT: POSSIBILITY
MUST/HAVE TO: OBLIGATION, PROHIBITION
WILL/WOULD: PROMISE
SHOULD: ADVISABILITY (GIVE ADVICE)
MAY/WOULD/COULD: POLITE

3. CAN

4. MAY + MIGHT

5. MUST + WILL

6. SHOULD + WOULD

7. COULD

8. CAN/CAN`T COULD/COULDN`T
Modals of Ability 1
Put in 'can', 'can't', 'could' or 'couldn't'. If none of these is possible use 'be able to' in the correct tense.
1) _______ you swim when you were 10?
2) We _______ get to the meeting on time yesterday, because the train was delayed by one hour.
3) He ________ arrive at the party on time, even after missing the train, so he was very pleased.
4) He's amazing, he _____________ speak five languages, including Chinese.
5) I __________ drive a car until I was 34. Then I moved to the countryside, so I had to learn.

9. MUSTN`T DON`T DOESN`T HAVE TO
Modals of Obligation 1
Put in 'mustn't' or 'don't / doesn't have to':
1) We have a lot of work tomorrow. You ________ be late.
2) You ________ tell anyone what I just told you. It's a secret.
3) The museum is free. You __________ pay to get in.
4) Children _____________ tell lies. It's very naughty.
5) John's a millionaire. He _____________ go to work.

10. PRACTICE http://www.englishpage.com/modals/interactivemodal8.htm