English
by Flavia Lucia López Calda
1. Verb To be
2. Verb Have
3. Family
4. Simple past
5. Past progressive
6. Simple present
7. Zero conditional
8. First conditional
9. Have to and Has to
10. Articles
11. Present progressive
12. Expressions of quantity
13. Indefinite pronouns
14. Hopes, plans, and predictions
15. Should
16. Must and mustn't
