1. You advise that man: I think you should wear a helmet.
2. I think the shop should be open.
3. I think I should have written down Laura's address.
4. I don't think they should get married.
5. You say to her: I don't think you should go out this evening.
6. You say to him: I think you should apply for that job.
7. I don't think the government should increase taxes.