tests by valdyeuse with the online test builder (115 tests)
Ranked by: number of candidates
1. Future with shall and will (87263 candidates)
2. About To be and To have (61059 candidates)
3. Personal pronouns (38275 candidates)
4. Possessive case (28382 candidates)
5. Who and Which (27874 candidates)
6. Past perfect simple (24053 candidates)
7. How many - How much (23396 candidates)
8. Comparison (21944 candidates)
9. Present simple or continuous (20356 candidates)
10. Exclamations with How or What (17507 candidates)
11. Any - some - no (16197 candidates)
12. Too many or too much (12461 candidates)
13. Superlatives (12395 candidates)
14. Another - other - the others (12003 candidates)
15. If or When (11861 candidates)
16. Conditional present (11725 candidates)
17. Relative pronouns Who or Which (11361 candidates)
18. Past simple (10769 candidates)
19. Prefixes Over and Under (10497 candidates)
20. How long - For - Since (10217 candidates)