tests by flori10 with the online test builder (52 tests)
Ranked by: number of candidates
1. Adjectives and adverbs (2153 candidates)
2. Instead of, unlike or whereas (1406 candidates)
3. Stop to do sth or stop doing sth (1284 candidates)
4. Past modals with deduction (1146 candidates)
5. Infinitive or ing-form after verbs of perception (1060 candidates)
6. Above or over (1053 candidates)
7. Word order: Verbs and objects go together (994 candidates)
8. Make sb do sth or have something done (897 candidates)
9. Forget, remember, stop, be sorry + gerund or infinitive (788 candidates)
10. Had better or should (740 candidates)
11. Word order: Place before time (720 candidates)
12. Find the opposite adjective! (715 candidates)
13. Let alone (685 candidates)
14. Prepositions at, in, on (676 candidates)
15. All of which, whom, none of which, etc. (663 candidates)
16. Inverted conditionals (660 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 (610 candidates)