IV. Выделите сказуемое, определите его видовременную форму и укажите инфинитив:
10. When I entered the office, the secretary was typing some letters.
11. What are you talking about?
12. Did you travel around Europe last year?
13. Don’t come at 6, I shall be doing my homework .
14. Will you come to the party with me?
15. Every day my aunt bakes a cake for lunch.
16. Yesterday I came home late.
17. What were you doing yesterday all day?
18. I shan’t play the piano tomorrow.

10. entered - past simp- enter, was typing - past cont - type 11. are talking - pres cont - talk 12. Did travel - past simp - travel 13. Don’t come - pres simp - come, shall be doing - fut cont - do 14. Will come - fut simp - come 15. bakes - pres simp - bake 16. came - past simp - come 17. were doing - past cont - do 18. shan’t play - fut simp - play