Поставьте глагол в нужную форму во все времена группы Simple Tenses,Progressive Tenses,Perfect Tenses(здесь есть предложения

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