He doesn't know French perfectly. Does he know French perfectly? I don't understand everything he says.
Do you understand everything he says? She doesn't make mistakes in spelling. Does she make mistakes in spelling? They don't enjoy their English lessons. Do they enjoy their English lessons? They don't live in Kiev. Do they live in Kiev? We don't use our books in class. Do we use our books in class? The plane doesn't leave at ten o'clock. Does a plane leave at ten o'clock? She doesn't always come to class late. Does she always come to class late?
1. My friend had studied English before he entered the institute
2.The car had gone when we looked into the street
3.He had taken the decision before I came
4. Nick had returned from office by seven o,clock
5.We got to the stadium at four o*clock but the game had already started
6. She came at six o'clock
7. I thought that my parents had already returned
8. He was sure that that we didn*t recognize him
9. You found your key which you had lost before / Did you find your key which you had lost before?
10. Meg said that she was in this city/Meg said that she had been in this city
11. The doctor arrived when we had already helped him
в некоторых предложениях возможны 2 варианта. проверь знак вопроса в пр. № 9!
