You’ll need to read and take information from the following grammar books:

1) Advanced Language Practice by Michael Wince with Peter Sunderland;

2) Practical English Usage by Michael Swan;

3) Longman English Grammar for Intermediate Students;

You can also use:

4) English Grammar in Use by Raymond Murphy

5) Advanced Grammar in Use by Martin Hewings.

6) http://englishhobby.ru/grammar/verb_tenses/

http://englishhobby.ru/grammar/verb_tenses/tense_formulas_active_voice/

http://englishhobby.ru/grammar/verb_tenses/use_of_tenses/

7) Качалова, Израилевич. Практическая грамматика английского языка.

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