1. 01. Present continuous (I am doing) 17분
2. 02. Present simple (I do) 22분
3. 03. Present continuous and Present simple 1 18분
4. 04. Present continuous and Present simple 2 18분
5. 05. Past simple (I did) 28분
6. 06. Past continuous (I was doing) 19분
7. 07. Present perfect (I have done) 20분
8. 08. Present perfect 2 ( I have done) 19분
9. 09. Present perfect continuous (I have been doing ) 20분
10. 10. Present perfect continuous and simple (I have been doing and I have done) 20분
11. 11. How long have you (been)…? 23분
12. 12. for and since / when…? / and how long…? 21분
13. 13. Present Perfect and Past 1 (I have done and I did) 19분
14. 14. Present Perfect and Past 2 (I have done and I did) 21분
15. 15. Past perfect (I had done) 17분
16. 16. Past perfect continuous (I had been doing) 19분
17. 17. Have and have got 20분
18. 18. used to (do) 20분
19. 19. Present tenses (I am doing/I do)for the future 22분
20. 20. I’m going to (do) 20분