Task 2. Put the verbs in brackets into the correct tense or form: 1) Who ___ the calendar? (INVENT) Who ___ it now? (USE) 2) When ___ the calendar? (INVENT) 3) We ___ English poetry last term. (STUDY) 4) Now we ___ English poetry. We ___ it for two months. (STUDY) (STUDY) 5) I ___ to the library for a month. (NOT BE) 6) He said they ___ English poetry the previous term. (STUDY) 7) Unless he ___ the advice, he ___ a mistake. (FOLLOW) (MAKE) 8) He ___ the leg while he ___ the boat out of the water. (HURT / PULL) 9) Thomas Edison ___ up with the idea of the electric light bulb. (COME) 10) Insects ___ us useful things, such as silk and honey. They ___ plants to grow and ___ the Earth clean. (GIVE) (HELP) (KEEP) 11) The potatoes must ___. (PEEL) 12) The potatoes ___ an hour ago. (PEEL) 13) She ___ her finger while she ___ the potatoes. (CUT) (PEEL) 14) Mum expects me ___ the potatoes. (PEEL) 15) I’ll make him ___ the potatoes. (PEEL) 16) Wait a minute. I ___ the potatoes. (PEEL)

1. Who invented the calendar? Who is using it now?
2. When was the calendar invented?
3. We studied English poetry last term.
4. Now we are studying English poetry. We have been studying it for two months.
5. I haven’t been to the library for a month.
6. He said they had studied English poetry the previous term.
7. Unless he follows the advice, he will make a mistake.
8. He hurt his leg while he was pulling the boat out of the water.
9. Thomas Edison came up with the idea of the electric light bulb.
10. Insects give us useful things, such as silk and honey. They help plants to grow and keep the Earth clean.
11. The potatoes must be peeled.
12. The potatoes were peeled an hour ago.
13. She cut her finger while she was peeling the potatoes.
14. Mum expects me to peel the potatoes.
15. I’ll make him peel the potatoes.
16. Wait a minute. I am peeling the potatoes.

Перевод форм: invented — изобрёл; is using — использует сейчас; was invented — был изобретён; studied — изучали; are studying — изучаем сейчас; have been studying — изучаем в течение двух месяцев; haven’t been — не был; had studied — изучали к тому моменту; follows — следует; will make — совершит; hurt — повредил; was pulling — вытаскивал; came up with — предложил/придумал; give — дают; help — помогают; keep — поддерживают/сохраняют; be peeled — должны быть очищены; were peeled — были очищены; to peel — чистить; peel — чистить; am peeling — чищу сейчас.