tests by flori10 with the online test builder (50 tests)
Ranked by: number of candidates
1. Adjectives and adverbs (1945 candidates)
2. Instead of, unlike or whereas (1382 candidates)
3. Stop to do sth or stop doing sth (1233 candidates)
4. Past modals with deduction (1059 candidates)
5. Above or over (1033 candidates)
6. Word order: Verbs and objects go together (982 candidates)
7. Make sb do sth or have something done (873 candidates)
8. Infinitive or ing-form after verbs of perception (860 candidates)
9. Forget, remember, stop, be sorry + gerund or infinitive (758 candidates)
10. Find the opposite adjective! (712 candidates)
11. Word order: Place before time (708 candidates)
12. Let alone (681 candidates)
13. Had better or should (672 candidates)
14. All of which, whom, none of which, etc. (650 candidates)
15. Definitive, indefinite or no article (642 candidates)
16. Go on - regret to do sth - doing sth (628 candidates)
17. Inverted conditionals (623 candidates)
18. Phrasal verbs... back and away (604 candidates)
19. Dismissive, defiant, brazen (597 candidates)
20. Prepositions (589 candidates)