tests by fouine18 with the online test builder (74 tests)
Ranked by: number of candidates
1. Must, needn't, mustn't (34977 candidates)
2. Will / would (32809 candidates)
3. Need +inf / need +ing (28886 candidates)
4. Wild animals (26598 candidates)
5. Birds (20731 candidates)
6. At, on, or in (19279 candidates)
7. Past tense,present perfect or pluperfect (17476 candidates)
8. Passive form (14905 candidates)
9. Modal verbs (14857 candidates)
10. Verbs (13840 candidates)
11. Relative pronoun (13634 candidates)
12. Sentences with 'wish' (11620 candidates)
13. Pronouns (10869 candidates)
14. Comparative (10316 candidates)
15. Sport (10302 candidates)
16. Quantities (9930 candidates)
17. Superlatives (9789 candidates)
18. Add the adverbs in the sentences (9673 candidates)
19. Active form (9438 candidates)
20. Jobs (9296 candidates)