tests by fouine18 with the online test builder (74 tests)
Ranked by: number of candidates
1. Must, needn't, mustn't (34970 candidates)
2. Will / would (32808 candidates)
3. Need +inf / need +ing (28794 candidates)
4. Wild animals (26545 candidates)
5. Birds (20718 candidates)
6. At, on, or in (19266 candidates)
7. Past tense,present perfect or pluperfect (17407 candidates)
8. Passive form (14905 candidates)
9. Modal verbs (14848 candidates)
10. Verbs (13813 candidates)
11. Relative pronoun (13552 candidates)
12. Sentences with 'wish' (11610 candidates)
13. Pronouns (10862 candidates)
14. Comparative (10309 candidates)
15. Sport (10266 candidates)
16. Quantities (9929 candidates)
17. Superlatives (9777 candidates)
18. Add the adverbs in the sentences (9663 candidates)
19. Active form (9429 candidates)
20. Jobs (9278 candidates)