Use the correct form of the verbs in brackets.

1. Suppose they (cancel) the flight. How would you have got home?
2. She'd rather (not / show) him her passport.
3. I'd rather Sam (not / play) his music so loud.
4. I feel sick now. I wish I (eat) so much.
5. Sales will increase provided that the advertising campaign (be) successful.
6. He behaves as though he (be) a politician.