с решением задания! В первом варианты: has left, is leaving, had left, leaves. Во втором: have wanted, want, is wanting, wants. В третьем: know, is knowing, has known, knows. В четвёртом: start, starts, has started, started. В пятом: has been teaching, has taught, was teaching, teaches ОЧЕНЬ !

1. past simple, past perfect
2. past simple, future in the past
3. past simple, past simple
4. past simple, past simple
5. past simple, past perfect
6. past simple, past simple
7. past simple, past perfect
8. past simple, future in the past
9. past simple, future in the past
10. past simple, past simple
11. past simple, past simple
12. past simple, past perfect
13. past simple, past perfect
14. past simple, future in the past
15. past simple, future in the past
16. past simple, past perfect
17. past simple, future in the past
18. past simple, future in the past
19. past simple, past continuous
20. past simple, past perfect continuous

My father has birthday yesterday. when dad was going home, my mom baked his favorite apple pie and bought pullover for him. I brought the flowers. our grandma knitted a scarf. my father was happy. when I went home, my brother went to the concert. by 6 pm they had been already packed. we were not going home yet , when it rained. buy the end of last year we had been learned to speak English. when the sun had set, they returned home. she spent the money before she returned. had they found you there?