tests by flori10 with the online test builder (52 tests)
Ranked by: number of candidates
1. Adjectives and adverbs (2051 candidates)
2. Instead of, unlike or whereas (1394 candidates)
3. Stop to do sth or stop doing sth (1257 candidates)
4. Past modals with deduction (1112 candidates)
5. Above or over (1043 candidates)
6. Word order: Verbs and objects go together (993 candidates)
7. Infinitive or ing-form after verbs of perception (922 candidates)
8. Make sb do sth or have something done (881 candidates)
9. Forget, remember, stop, be sorry + gerund or infinitive (770 candidates)
10. Word order: Place before time (716 candidates)
11. Find the opposite adjective! (712 candidates)
12. Had better or should (702 candidates)
13. Let alone (683 candidates)
14. All of which, whom, none of which, etc. (654 candidates)
15. Inverted conditionals (646 candidates)
16. Definitive, indefinite or no article (644 candidates)
17. Go on - regret to do sth - doing sth (633 candidates)
18. Phrasal verbs... back and away (606 candidates)
19. Dismissive, defiant, brazen (605 candidates)
20. Remember to do sth / Remember doing sth (594 candidates)