Put the verbs into the correct form ( present perfect/ present perfect continuous) 1. he (to work) in this conpany since 2002 and he doesn't want to change this place 2."why are you so tired? " - "i ( to play) football for two hours. 3. this man a writer. he (to write) already eight books. 4. she (to do) already her homework for two hours, but she (not to do) it yet. 5. "you (to find) your notebook? " - "yes, i have. and i'm can give it to you"

1. has been working. 2. have been playing. 3. has already written 4. has been already  doing / hasn't done 5. have you found?

1. by next summer the swimming pool will have been  built in this street. 2. by three o'clock my work will have been  finished already. 3. by the time you come back  the flat will have been  to tidied up 4.  will the supper have been  cooked by the time the children come from school? 5. by next year this house will have been  reconstructed 6. i hope by winter this road will have been  repaired 7. i think by tomorrow the guestion will have been  settled. 8. by the time he comes all traces will have been  hidden 9. you can't go to the library at eight tomorrow. by that time it will have been  closed 10. they think that by next winter the reconstruction  works  will have been  finished  and they'll be able to let the tourists see the gallery.

our modern life is impossible without a computer. today, anyone is familiar with a computer. schoolchildren and students need computers because they help quickly and easily find the required book or information, and it is no need to spend a lot of time in the library or pull back several books. staying with relatives far away from each other, you can use the internet to see and hear each other, or at least write some messages, and there is no necessity to wait letters for months. also, you can post your resume and find a good job. at you free time you can see movies and you do not need spend money on the purchase of video disks. therefore, a computer is needed to everyone and everywhere.   the computer has become indispensable thing in modern society