tests by valdyeuse with the online test builder (115 tests)
Ranked by: number of candidates
1. Future with shall and will (87005 candidates)
2. About To be and To have (60924 candidates)
3. Personal pronouns (38003 candidates)
4. Possessive case (28279 candidates)
5. Who and Which (27486 candidates)
6. Past perfect simple (23884 candidates)
7. How many - How much (23261 candidates)
8. Comparison (21757 candidates)
9. Present simple or continuous (20290 candidates)
10. Exclamations with How or What (17385 candidates)
11. Any - some - no (15966 candidates)
12. Too many or too much (12421 candidates)
13. Superlatives (12309 candidates)
14. Another - other - the others (11984 candidates)
15. If or When (11789 candidates)
16. Conditional present (11552 candidates)
17. Relative pronouns Who or Which (11218 candidates)
18. Past simple (10513 candidates)
19. Prefixes Over and Under (10463 candidates)
20. How long - For - Since (10189 candidates)