IV. Supply the correct tense or form of the verbs in parentheses:
1. If you (drink)…………… more water, you won’t have any more health problems.
2. The doctor advised him ( give up ) ……………….. (smoke) so much.
3. My uncle (not/ be) ………………. out of his house since he bought a color TV.
4. We ( have)………………… a party when he came.
5. They ( visit)……………………. Hue by this time next week.