tests by valdyeuse with the online test builder (115 tests)
Ranked by: number of candidates
1. Future with shall and will (87516 candidates)
2. About To be and To have (61705 candidates)
3. Personal pronouns (38827 candidates)
4. Possessive case (28512 candidates)
5. Who and Which (28506 candidates)
6. Past perfect simple (24272 candidates)
7. How many - How much (23501 candidates)
8. Comparison (22238 candidates)
9. Present simple or continuous (20626 candidates)
10. Exclamations with How or What (17888 candidates)
11. Any - some - no (16484 candidates)
12. Too many or too much (12605 candidates)
13. Superlatives (12530 candidates)
14. Another - other - the others (12074 candidates)
15. If or When (11925 candidates)
16. Conditional present (11908 candidates)
17. Relative pronouns Who or Which (11601 candidates)
18. Past simple (11481 candidates)
19. Prefixes Over and Under (10632 candidates)
20. How long - For - Since (10274 candidates)