Grammar structures

1. WH- Questions

2. Yes/No Questions

3. Negative

4. Positive

5. Subjet + usted to - verb (present)

6. How did you..?

7. People didn't send emai in the past

8. With auxiliary verb DID

9. A few years ago, i went to California

10. Positive

11. Negative

12. Yes/No Questions

13. WH- Questions

14. Subject + verb (past)

15. Simple past

16. Used to

17. To describe past habits, routines, etc

18. Use to describe an action