- Present Simple/Present Continuous
- Past Simple/Past Continuous
- Past Simple/Past Perfect
- Past Simple/Present Perfect
- Past Perfect Continuous/Past Perfect
- Present Perfect Continuous/Present Perfect
- Will/going to
- Mixed tenses
2. Passive
3. Conditionals
4. Phrasal verbs
5. Exam in English
6. Prepositions
Sources:
1. Elaine Walker (Longman), Steve Elsworth
New Edition Grammar Practice for Upper-Intermediate Students, Pearson Education Limited 2000
2. Richard Walton , Series Editor: Sue O’Connell, Focus on Advanced English C.A.E Grammar Practice revised and updated, Pearson Education Limited 1994, 1999
3. Jenny Dooley, Virginia Evans, Grammarway 4, Express Publishing, 1999