tests by flori10 with the online test builder (60 tests)
Ranked by: number of candidates
1. Adjectives and adverbs (2443 candidates)
2. Instead of, unlike or whereas (1507 candidates)
3. Stop to do sth or stop doing sth (1374 candidates)
4. Infinitive or ing-form after verbs of perception (1334 candidates)
5. Past modals with deduction (1287 candidates)
6. Above or over (1091 candidates)
7. Make sb do sth or have something done (1015 candidates)
8. Word order: Verbs and objects go together (997 candidates)
9. Forget, remember, stop, be sorry + gerund or infinitive (842 candidates)
10. Had better or should (816 candidates)
11. Prepositions at, in, on (809 candidates)
12. Word order: Place before time (727 candidates)
13. Find the opposite adjective! (722 candidates)
14. Inverted conditionals (706 candidates)
15. All of which, whom, none of which, etc. (694 candidates)
16. Let alone (690 candidates)
17. Definitive, indefinite or no article (656 candidates)
18. Go on - regret to do sth - doing sth (642 candidates)
19. Dismissive, defiant, brazen (635 candidates)
20. Remember to do sth / Remember doing sth (621 candidates)