Each book in the series can be used:
(i) as a grammar reference and exercise book on its own,
(ii) as a supplement to a coursebook at the same level.
The grammar syllabus for the series as a whole closely matches the syllabus found in the major coursebook series.
Every unit contains concise grammar explanations, followed by extended exercise practice, so that learners can really master the grammar topic they are studying.
1. Present Simple (I know)
2. Present Continuous (I'm eating)
3. Present Simple (I work) or Present Continuous (I'm working)
4. Verbs not used in continuous tenses
5. Past Simple (I walked)
6. Past Simple (I waited) or Past Continuous (I was waiting)
7. Present Simple, Past Simple and used to (I used to know)
8. Present Perfect (I have eaten)
9. Past Simple (I ate) or Present Perfect (I have eaten) (1)
10. Past Simple or Present Perfect (2); ago,for, since
Etc.