Put the verbs in brackets into the correct tense to make

Put the verbs in brackets into the correct tense to make correct type 2 conditional sentences.
1. If I (be) you , I (study for exams).
2. If we (have) a car, we (go) for a drive in the country.
3. Kim (buy) some new clothes if she (have) enough money.
4. If cameras (not/cost) so much , we (buy) one
5. John(lend) you some money if you (ask) him
6. He (open) the door if he (have ) the key.
7. We (paint) the house if we (have) the time.
8. If she (get) good grades, she (go) university
9. If I (be) rich ,I (never/work) again.
10. Helen(post) the letters if she (have ) some stamps.