Use the right tense form.
1.I(be, look) for Ann.
2. Brian is still ill, but he (be, get) better slowly.
3. Air (consist) of nitrogen and oxygen.
4. Jane (be) angry, because friends were late.
5. I (invite) them to my party yesterday.
6. Where (be) you(go) for the weekend?
7.John (watch) television when the guests came.
8.I (see) her in the park yesterday.
9. Products (be) much more expensive now.
10. I (dream) about you last night.