1. Alphabet, A/an articles, numbers, personal pronouns
2. To be, Wh questions, To have/ have got
4. Present simple, present continuous
5. Be going to, future simple, future continuous
6. Can/could, must/should, may/might
7. Past simple, past continuous
10. Present perfect continious
11. Past perfect tense/continious
14. Adjectives and adverbs
16. Although/ even though
17. Gerund / To infinitive