раскройте скобки поставив глагол в нужную форму
1.Mary (work) in the shop for 5 years before she became a manager
2.our grandmother (cook) dinner from twelve till two yesterday
3.they (walk) in the park for an hour when it began to rain
4.this time yesterday i (lie) on the beach
5.they (reach) the river by sunset
6.Ken (smoke) for 30 years when he finally gave it up
7.i saw Carol at the party. she (wear) a really beautiful dress
8.he (live) in Spainwhen he was a child
9.she couldn't find the book i (lend) her
10.i saw Jim in the park. he (sit) on the grass and (read) a book
11.this time next month i (bath) in the Baltic sea
12.by the 8th of April my mother (work) at school for twenty years
13.i'm tired. i think. i (go) to bed
14.i (work) in the library all day tomorrow
15.at four o'clock on tuesday afternoon we (fly) over Paris
16.they (be) free in some minutes
17.this time next week they (go) to the Crimea by train
18.she (change) her books in the library tomorrow
19.they (build) the road by the end of the year
20.ring me up at 4 o'clock. i (have) dinner by this time and we (go) to the concert

1.Mary (had worked) in the shop for 5 years before she became a manager. 2.our grandmother (was cooking) dinner from twelve till two yesterday 3.they (were walking) in the park for an hour when it began to rain 4.this time yesterday I (was lying) on the beach 5.they (had reached) the river by sunset 6.Ken (had been smoking) for 30 years when he finally gave it up 7. i saw Carol at the party. she (was wearing) a really beautiful dress 8. he (lived) in Spain when he was a child 9. she couldn't find the book i (had lent) her 10. i saw Jim in the park. He (sitting) on the grass and (reading) a book 11. this time next month I (shall be bathing) in the Baltic Sea 12. by the 8th of April my mother (had worked) at school for twenty years 13. i'm tired. i think. i (will go) to bed 14. i (shall be working) in the library all day tomorrow 15. at four o'clock on Tuesday afternoon we (were flying) over Paris 16. they (will be) free in some minutes 17. this time next week they (will be going) to the Crimea by train 18. she (will change) her books in the library tomorrow 19. they (will have built) the road by the end of the year 20. ring me up at 4 o'clock. i (shall have had) dinner by this time and we (will go) to the concert.