1.i have played the piano for 5 years

2.if you stay up late,you will be tired

3.john asked daisy if he watched tv program

4.my brother wanted to know about history of computer

5.a new kind of plants has just been produced

6.if i had a car,i would take you to the airport

7.i wish i could speak english well

8.he said he wished have a bore that  month

9.i have not played tennis since 1990

10.i wanted to see mr.Brown,so i phoned his company

1. I have played the piano for 5 years

2. If you didn't often stay up late, you wouldn't be tired

3. John asked Daisy if she often watched tv program

4. My brother wanted to know the history of computers

5. A new kind of plants have just been produced by the...

6. If i had a new car, i could take you to the airport

7. I wish i could speak English well

8. He said he wished had there that month

9. I haven't played tennis since 1990

10. I wanted to see Mr Brown, so i phone his company