tests by fouine18 with the online test builder (74 tests)
Ranked by: number of candidates
1. Must, needn't, mustn't (34938 candidates)
2. Will / would (32721 candidates)
3. Need +inf / need +ing (28720 candidates)
4. Wild animals (26501 candidates)
5. Birds (20708 candidates)
6. At, on, or in (19245 candidates)
7. Past tense,present perfect or pluperfect (17296 candidates)
8. Passive form (14891 candidates)
9. Modal verbs (14726 candidates)
10. Verbs (13775 candidates)
11. Relative pronoun (13509 candidates)
12. Sentences with 'wish' (11598 candidates)
13. Pronouns (10849 candidates)
14. Comparative (10288 candidates)
15. Sport (10220 candidates)
16. Quantities (9928 candidates)
17. Superlatives (9774 candidates)
18. Add the adverbs in the sentences (9646 candidates)
19. Active form (9412 candidates)
20. Jobs (9210 candidates)