1. The man has built his house for 2 months
2. If the boy was not late for the bus, he could go to school on time.
3. We saw the young man dancing very beautifully in the street
4. After finishing the report, I went camping with my friends.
5. Before cooking the meal, I went to the market.
6. By the time I got good mark, I had reviewed all my lessons.
1. I have worked in this hotel for six months.
2. While I was staying in Paris last summer, I met her.
3. Sue went to Italy three weeks ago.
4, It took us 2 hours to finish this work.
