If I’m free on Saturday, I (go) ______________ to the mountains

6. If I’m free on Saturday, I (go) ______________ to the mountains.
7. She (have) ______________a nervous breakdown if she goes on like this.
8. The kitchen will look better if we (have) ______________ red curtains.
9. If I knew his address, I (go) ______________round and see him.
10. I (buy) ______________ a car If you lend me some money