Назовите 3 основные формы следующих глаголов: to find, to take, to give, to be, to go, to get, to thank, to learn, to translate, to play, to sit, to put, to see, to send, to know, to do, to speak, to read, to begin, to write, to make, to have, to meet, to come, to bring, to buy, to sell, to decide, to work, to swim, to let, to spend.

Решение:

Основные формы глаголов — это инфинитив, прошедшее время (Past Simple) и причастие прошедшего времени (Past Participle).

1. to find — found — found
2. to take — took — taken
3. to give — gave — given
4. to be — was/were — been
5. to go — went — gone
6. to get — got — gotten/got
7. to thank — thanked — thanked
8. to learn — learned/learnt — learned/learnt
9. to translate — translated — translated
10. to play — played — played
11. to sit — sat — sat
12. to put — put — put
13. to see — saw — seen
14. to send — sent — sent
15. to know — knew — known
16. to do — did — done
17. to speak — spoke — spoken
18. to read — read — read (произносится как «ред»)
19. to begin — began — begun
20. to write — wrote — written
21. to make — made — made
22. to have — had — had
23. to meet — met — met
24. to come — came — come
25. to bring — brought — brought
26. to buy — bought — bought
27. to sell — sold — sold
28. to decide — decided — decided
29. to work — worked — worked
30. to swim — swam — swum
31. to let — let — let
32. to spend — spent — spent

Таким образом, для каждого глагола указаны три основные формы.