Task 3. Write the sentences again without changing the meaning. Use one of the modal verbs in brackets.
1. It’s possible Kate saw him. (must / may / can)
Kate
2. I am certain John has got lost. (should / could / must)
John
3. My advice is that you stop. (should / must / could)
You
4. Perhaps they went to London. (must / can / might)
They
5. I am sure Mary is French. (can / must / could)
Mary
Task 4. Complete the sentences with a suitable modal verb. Use must, don’t have to, might, should, must have, mustn’t, can’t have and shouldn’t.
1. You eat more vegetables. They're good for you.
2. You drive on the pavement. It's illegal.
3. You say that. It's not nice.
4. I go to work tomorrow because it's a public holiday.
5. I buy this CD, but I'm not sure.
6. He's not here. He gone out.
7. She didn't study enough. She passed her exam.
8. You be 18 before you can buy alcohol.
