tests by anijul with the online test builder (54 tests)
Ranked by: number of candidates
1. Extreme adjectives (7361 candidates)
2. Much, more, fewer, less (5871 candidates)
3. Compromise or commitment (4925 candidates)
4. No matter (4879 candidates)
5. There are, there will be, there were (4089 candidates)
6. For - To - In order to (3972 candidates)
7. There is - are - was - were (3197 candidates)
8. To wish - If only - To hope (2862 candidates)
9. Is ,has or genitive (2270 candidates)
10. Have to (2043 candidates)
11. Almost or Hardly (1921 candidates)
12. Gerund or participle (1806 candidates)
13. By the time (1747 candidates)
14. About tenses (1641 candidates)
15. Adjectives and comparison (1618 candidates)
16. Quite a few, quite a bit, quite a lot (1600 candidates)
17. Who else - What else (1595 candidates)
18. Used to - to be used to - to get used to (1488 candidates)
19. Never, not only, under no circumstances, no sooner (1382 candidates)
20. Article The (1241 candidates)