Поставьте глагол в нужное время и определите его p.s. , p. cont., p.p. 1) while he (to sleep) yesterday, his sister (to clean) the house. 2) he (to travel) to the u.s.a. last year. 3) yesterday by 6 o'clock in the morning the sun (to rise). 4) after the children (to enter) school, the rain (to begin). 5) 5 years ago my brother (to finish) school. 6) yesterday at 5 p.m. i (to do) mathematics. 7) he (not to like) to read english text yesterday. 8) before the path (to end), we (to reach) the forest. 9) while his mother (to be) in the office, he (to work ) in the garden. 10) yesterday the children (to build) wonderful sand skyscraper.

1) While he was sleeping yesterday, his sister was cleaning the house.
2) He  travelled to the U.S.A. last year.
3) Yesterday by 6 o'clock in the morning the sun was  rising
4) After the children entered school, the rain  began 
5) 5 years ago my brother  finished school.
6) Yesterday at 5 p.m. I was doing mathematics. 
7) He did not  like to read English text yesterday.
8) Before the path ended, we  reached the forest.
9) While his mother was in the office, he was working in the garden. 
10) Yesterday the children built wonderful sand skyscraper.