1. When she comes home, her sister is watching TV. 2. I have known him for five years. He has been teaching me English since 1997. 3. Environmental pollution causes a lot of serious diseases nowadays. 4. If they forecast rainstorms, we will take umbrellas. 5. Mr. Jones is angry because I haven't finished the translation yet. 6. I had read the book up to the end before the teacher asked us to. 7. Before I come back home from school, my father washes the car. 8. Many years ago, people wore funny clothes. 9. Look! The rain is beginning. 10. They will be lying on the beach at this time tomorrow. 11. He has been writing a letter since 3 o'clock. 12. My father wrote a letter at 5 o'clock yesterday.
Answers & Comments
Verified answer
1. When she comes home, her sister is watching TV.2. I have known him for five years. He has been teaching me English since 1997.
3. Environmental pollution causes a lot of serious diseases nowadays.
4. If they forecast rainstorms, we will take umbrellas.
5. Mr. Jones is angry because I haven't finished the translation yet.
6. I had read the book up to the end before the teacher asked us to.
7. Before I come back home from school, my father washes the car.
8. Many years ago, people wore funny clothes.
9. Look! The rain is beginning.
10. They will be lying on the beach at this time tomorrow.
11. He has been writing a letter since 3 o'clock.
12. My father wrote a letter at 5 o'clock yesterday.