1. She warned them not to swim too far out
2. That old car has just been sold by her parents
3. I was so tired that I couldn't climb the mountain
4. I wish our teacher was here at the moment
5. Our dog bit the postman
6. They canceled the party since it rained heavily (since=because/as)
7. If someone has a key, we can get into the house.
8. In spite of a good salary, he was unhappy in his job