tests by flori10 with the online test builder (53 tests)
Ranked by: number of candidates
1. Adjectives and adverbs (2189 candidates)
2. Instead of, unlike or whereas (1418 candidates)
3. Stop to do sth or stop doing sth (1293 candidates)
4. Past modals with deduction (1152 candidates)
5. Infinitive or ing-form after verbs of perception (1119 candidates)
6. Above or over (1057 candidates)
7. Word order: Verbs and objects go together (994 candidates)
8. Make sb do sth or have something done (954 candidates)
9. Forget, remember, stop, be sorry + gerund or infinitive (799 candidates)
10. Had better or should (757 candidates)
11. Word order: Place before time (721 candidates)
12. Find the opposite adjective! (715 candidates)
13. Prepositions at, in, on (699 candidates)
14. Let alone (685 candidates)
15. All of which, whom, none of which, etc. (667 candidates)
16. Inverted conditionals (666 candidates)
17. Definitive, indefinite or no article (645 candidates)
18. Go on - regret to do sth - doing sth (638 candidates)
19. Dismissive, defiant, brazen (612 candidates)
20. Phrasal verbs... back and away (611 candidates)