tests by flori10 with the online test builder (53 tests)
Ranked by: number of candidates
1. Adjectives and adverbs (2182 candidates)
2. Instead of, unlike or whereas (1416 candidates)
3. Stop to do sth or stop doing sth (1291 candidates)
4. Past modals with deduction (1149 candidates)
5. Infinitive or ing-form after verbs of perception (1112 candidates)
6. Above or over (1054 candidates)
7. Word order: Verbs and objects go together (994 candidates)
8. Make sb do sth or have something done (900 candidates)
9. Forget, remember, stop, be sorry + gerund or infinitive (799 candidates)
10. Had better or should (754 candidates)
11. Word order: Place before time (721 candidates)
12. Find the opposite adjective! (715 candidates)
13. Prepositions at, in, on (696 candidates)
14. Let alone (685 candidates)
15. All of which, whom, none of which, etc. (667 candidates)
16. Inverted conditionals (665 candidates)
17. Definitive, indefinite or no article (645 candidates)
18. Go on - regret to do sth - doing sth (637 candidates)
19. Phrasal verbs... back and away (611 candidates)
20. Dismissive, defiant, brazen (611 candidates)