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1. The Eiffel Tower was built in 1889.
2. I wish Lan were here.
3. I wish I had a pen pal.
4. She wishes she could speak English.
5. He told me that he could not sing English songs.
6. The room has been cleaned.
7. It is very necessary to learn English.
8. It is very useful to speak English.
9. I haven't spoken to her for two years.
10. Mary enjoyed walking in the rain.
11. We have cooked for the party for two hours.

1)The ET was built in 1889

2)I wish Lan were here

3)I wish i had a pen pal

4)she wishes she could speak E

5)He told me he couldn't sing E songs

6)The room has been cleaned 

7)it is necessary to learn E 

8)it is very useful to speak E

9)I haven't spoken to her for 2 years

10)mary enjoyed walking in the rain

11)we have cooked for the party for 2 hours