Complete the sentences using must, should, be able to, have to, would in the appropriate form.
1. The boy fell into the river and we … rescue him.
2. Brian has got three houses, six cars, a yacht and a helicopter. He … have a lot of money.
3. … you like a cup of coffee?
4. Do you work? – No, I'm extremely rich so I … work.
5. You have a bad cold. I think you … stay at home this evening.
6. You … be more patient with the child.
7. He … be here tomorrow.
8. Though it is likely to rain, but who knows, if the weather … be fine tomorrow.