Answer:
1. They lost their cat yesterday and could not find it yet.
2. Before I met my friend Bernard, I never spoke French.
3. I can't help you. I have a lot of problems because I am moving to a new house right now.
4. A fortune teller told me: "You will be a very famous opera singer".
5. While I ran in the park, it began to rain.
6. I am sure they finished the building in two
months.
7. She left before I gave her the present.
8. While mother had lunch we told her our
impressions from the excursion.
9. In 2012, they lived here for 4 years.
10. By tomorrow morning he would sleep wonderfully.
11. I think we will have a great day if the weather will be fine.