tests by valdyeuse with the online test builder (115 tests)
Ranked by: number of candidates
1. Future with shall and will (87189 candidates)
2. About To be and To have (61021 candidates)
3. Personal pronouns (38132 candidates)
4. Possessive case (28339 candidates)
5. Who and Which (27696 candidates)
6. Past perfect simple (24018 candidates)
7. How many - How much (23376 candidates)
8. Comparison (21864 candidates)
9. Present simple or continuous (20348 candidates)
10. Exclamations with How or What (17478 candidates)
11. Any - some - no (16136 candidates)
12. Too many or too much (12435 candidates)
13. Superlatives (12343 candidates)
14. Another - other - the others (11996 candidates)
15. If or When (11848 candidates)
16. Conditional present (11663 candidates)
17. Relative pronouns Who or Which (11328 candidates)
18. Past simple (10697 candidates)
19. Prefixes Over and Under (10484 candidates)
20. How long - For - Since (10211 candidates)