очень . Готовых домашних заданий к книжке нет.

1. past simple - five days ago, last year/day/week/month, yesterday, in 1980 2. past progressive - at 6 o’clock yesterday, at that moment, at that time 3. past perfect - by two o’clock, by noon, by the 15th of september, by then, by that time, by the end of the week, by the end of the year 4. past perfect progressive  -for, since 5. present simple - always, usually, generally, occasionally, frequently , sometimes, often, twice a year, once a week, every day (year, month),  from time to time, rarely , every other day, daily , monthly 6. present progressive - now, at this moment 7. present perfect – today, this week, this month, this year, this morning 8. present perfect progressive – since, for a month, for a long time, for an hour 9. future simple - tomorrow, next month / year , in a week, in a month, the day after tomorrow , soon 10. future progressive – at noon, at 2 o`clock,  at that moment 11. future perfect -by noon, by then, by that time, by the end of the year 12. future perfect progressive - for, on, before , by