tests by valdyeuse with the online test builder (115 tests)
Ranked by: number of candidates
1. Future with shall and will (87346 candidates)
2. About To be and To have (61140 candidates)
3. Personal pronouns (38385 candidates)
4. Possessive case (28402 candidates)
5. Who and Which (28057 candidates)
6. Past perfect simple (24101 candidates)
7. How many - How much (23475 candidates)
8. Comparison (21974 candidates)
9. Present simple or continuous (20384 candidates)
10. Exclamations with How or What (17564 candidates)
11. Any - some - no (16383 candidates)
12. Too many or too much (12468 candidates)
13. Superlatives (12464 candidates)
14. Another - other - the others (12012 candidates)
15. If or When (11871 candidates)
16. Conditional present (11805 candidates)
17. Relative pronouns Who or Which (11449 candidates)
18. Past simple (10916 candidates)
19. Prefixes Over and Under (10553 candidates)
20. How long - For - Since (10232 candidates)