Step 1

1. Present Simple

Step 2

2. Past Simple

Step 3

3. Future Simple

Step 4

4. Present, Past and Future Continuous

Step 5

5. Present Perfect Tenses

Step 6

6. Past Perfect Tenses

Step 7

7. Future Perfect Tenses

Step 8

8. Articles

Step 9

9. Pronouns

Step 10

10. Adjectives

Step 11

11. The Future in the Past

Step 12

12. Conditional clauses

Step 13

13. Prepositions

Step 14

14. Phrasal verbs

Step 15

15. Adverbs

Step 16

16. Perfect Passive

Step 17

17. Modal Verbs (may/might)

Step 18

18. Gerund and Infinitive

Step 19

19. The Simple Passive voice

Step 20

20. Present and Past Continuous Passive

Step 21

21. Modal Verbs (can/could)

Step 22

22. Reported Speech

Step 23

23. Participles

Step 24

24. Modal verbs (must)

Step 25

25. Inversion, ellipsis and substitution