Question

Поставьте глагол в нужную форму во все времена группы Simple Tenses,Progressive Tenses,Perfect Tenses(здесь есть предложения в которых глагол можно поставить только в одно время,но есть одно предложение в котором глагол можно поставить в три времени,также есть 2 предложения в которых глагол можно поставить в два времени)

1. I (to begin) my research on this subject two months ago.
2. Next time our Institute (to celebrate) its centenary.
3. I just (to speak) to the Dean about our tutorials and plans for the vacation.
4. Where is your friend now? He (to enjoy) his holidays somewhere.
5. She (to collect) a lot of books on Law necessary for her work.
6. The first year students usually (to take) part in amateur activities.
7. We (to read) about the capital of our country and its history by April.

Answer 1

1. Began
2. Will celebrate
3. I' ve just spoken
4. Is enjoing
5. Collects
6. Take
7. Will read