II. Complete the gaps with: can, don’t have to, could, must, might, should. 1. … I have some more lemonade, please?
2. You…always buy your ticket in advance. It’s my advice.
3. They…be away for the weekend but I’m not sure.
4. You were stupid to go skiing here. You … break your leg.
5. He…cook tonight because he’s going to a restaurant.
6. Passengers … check-in their bags before they fly.

1. CAN I have some more lemonade, please?

2. You SHOULD always buy your ticket in advance. It’s my advice. (SHOULD is more used as recommendation)

3. They MIGHT be away for the weekend but I’m not sure.

4. You were stupid to go skiing here. You COULD break your leg.

5. He DOESN'T HAVE TO cook tonight because he’s going to a restaurant.

6. Passengers MUST check-in their bags before they fly. (MUST is mostly used when expressing obligation)