Перепишите предложения в present perfect или past simple: 1. you ever (to see) the eruption of a volcano? 2. i (not yet to eat) today. 3, he (not to eat) yesterday. 4. you (to play) the piano yesterday? 5. you (to play) the piano today? 6. what you (to prepare) for today? 7. look at this bird-house. mike (to make) it himself. he (to make) it last sunday. 8. where you (to put) my pen? i cannot find it.9. you (to see) mary today? 10. when you (to see) mary? — i (to see) her last week. 11. your mother (to promise) to take you to the theatre? 12. look at my new dress! i (to make) it myself. 13. he is not at school today, he (to fall) ill. —14. when he (to fall) ill? — he (to fall) ill yesterday.

1.Have You ever seen...
2. I have not yet eaten..
3. He has not eaten today
4. Have you played ...

1. have you ever seen
2. haven't eaten
3. didn't eat
4. did you play
5. have you played
6. have you prepared
7. has made
8. made
9. have you seen
10. did you see ; saw
11. has your mother promised
12. have made
13. has fallen
14. did he fall ; felt

I like going to school and I have some favourite subjects. But my most favourite is Maths. Some people won't understand it as they can say that Maths is boring. No, it isn't.
First of all I'd like to mention that I'm the best in my class in Maths. I like to solve puzzles on the movement, to find instant answers to offer teacher examples.In mathematics everything follows logic. Crucial always gets a specific result. In the world are the same formulas and mathematical laws. This item is a must in life.On the market and in the store you have to think fast, plan the family budget is also helpful.Mathematics is the basis of physics, algebra, chemistry and even some sections of geography.Mathematics play checkers and chess. Of them to be great military strategists. I urge all to understand the laws of this remarkable science . It is necessary for all.

1 Frank explained Diana that he didn't like ballet.
2.Paul told Harry that he didn't often go to the theatre.
3.Moria told David that she was fond of musicals.
4.Steve told Robert that they preferred seats in the stalls.
5.Victor told Rose that his parents often went to the Bolshoi.
6.Barbara asked if Alice knew about the new performance.
7.Greace wondered if I had seen the ballet.
8.Betty wondered if he had finished the play.
9.Brian asked me if Shakespeare had really written 37 plays.
10.Kevin said that they had enjoyed the concert very much.