Question

1. Раскройте скобки в Present Perfect Tense. Запишите предложения ПОЛНОСТЬЮ. While I ____ (to copy) the exercise, my friends ____ (to describe) a picture.
2. When we came in, the children ____ (to clean) their desks.
3. We met her at the bus stop. She _____ (to wait) for the bus.
4. Some of the children ____ (to ski) while other children ____ (to skate).
5. Everybody ____ (to have) a lot of fun.
6. When we came the family ___ (to get) everything ready for Christmas.
7. Bob and Helen _____ (to decorate) the Christmas tree.
8. The girls _____ (to feed) the birds in the garden while the boys ____ (to make) a bird-house.

Answer 1

1) While I was copying the exercise, my friends have described a picture.
2) When we came in, the children have cleaned their desks.
3) We met her at the bus stop. She has been waiting for the bus.
4)  Some of the children have skied while other children were skating.
5) Everybody has had a lot of fun.
6) When we came the family have got everything ready for Christmas. 
7) Bob and Helen decorated the Christmas tree.
8)  The girls have fed the birds in the garden while the boys were making a bird-house.