)измените форму present perfect active в present perfect passive. 1) i have already taken the books back to the library. the 2) she has just posted those letters. those 3)the teacher has already checked my test.my test.. 4)he has lost the key.the 5)we have opened all the windows.all the 6)i have bought bread on the way home. 7) i have done this exercise. this

1) I have already taken the books back to the library. The books have been taken back to the library 
2) She has just posted those letters. Those letters have just been posted. 
3)The teacher has already checked my test.My test has just been checked
4)he has lost the key.The key has been lost 
5)We have opened all the windows.All the windows have been opened 
6)I have bought bread on the way home.Bread was Bread has been bought on the way home
7) I have done this exercise. This exercise has been done. 

1 The books have been taken to the library.
2 The letters have been posted by her.
3 My test has been already checked by the teacher.
4 The key has been lost by him.
5 All the windows have been opened by us.
6 This exercise has been done.

He plays football a lot, he does his homework at 6o.clock, he doesnt like playing cricket, somebody tells him to spend his free time wisely, nobody agrees with his opinion.
he played football a lot, he did his homework at 6., he didnt play cricket, somebody told him to spend his free time wisely, nobody agreed with his opinion. he is playing football a lot, hi is doing his homework now,, he isnt playing cricket now, somebody is telling him to spend his free time wisely, somebody is cooking the dinner. Past progressive x3) делать нечего было

Past simple: I was in London last year. Did he do his assignments? Where did Emily Buy her computer? When was the first wheel invented? How much did your  parents pay for your new flat?
present simple: I meet schoolmates everyday. Sometimes I read interesting books. Often i have some free time. I don`t like pepper. Everybody like sport and am I.  
present continuous: Harry up! We are waiting for you? They are writing composition. We aren`t doing exercise. How far are you running with your dog? I am watching TV at the moment.