tests by valdyeuse with the online test builder (115 tests)
Ranked by: number of candidates
1. Future with shall and will (87457 candidates)
2. About To be and To have (61445 candidates)
3. Personal pronouns (38723 candidates)
4. Possessive case (28483 candidates)
5. Who and Which (28373 candidates)
6. Past perfect simple (24219 candidates)
7. How many - How much (23494 candidates)
8. Comparison (22137 candidates)
9. Present simple or continuous (20505 candidates)
10. Exclamations with How or What (17796 candidates)
11. Any - some - no (16449 candidates)
12. Too many or too much (12600 candidates)
13. Superlatives (12497 candidates)
14. Another - other - the others (12057 candidates)
15. If or When (11919 candidates)
16. Conditional present (11874 candidates)
17. Relative pronouns Who or Which (11541 candidates)
18. Past simple (11168 candidates)
19. Prefixes Over and Under (10611 candidates)
20. How long - For - Since (10265 candidates)