tests by anijul with the online test builder (54 tests)
Ranked by: number of candidates
1. Extreme adjectives (7401 candidates)
2. Much, more, fewer, less (5904 candidates)
3. No matter (4991 candidates)
4. Compromise or commitment (4927 candidates)
5. There are, there will be, there were (4185 candidates)
6. For - To - In order to (4022 candidates)
7. There is - are - was - were (3212 candidates)
8. To wish - If only - To hope (2880 candidates)
9. Is ,has or genitive (2278 candidates)
10. Have to (2047 candidates)
11. Almost or Hardly (1960 candidates)
12. Gerund or participle (1832 candidates)
13. By the time (1767 candidates)
14. About tenses (1644 candidates)
15. Adjectives and comparison (1626 candidates)
16. Quite a few, quite a bit, quite a lot (1626 candidates)
17. Who else - What else (1611 candidates)
18. Used to - to be used to - to get used to (1492 candidates)
19. Never, not only, under no circumstances, no sooner (1402 candidates)
20. Article The (1245 candidates)