tests by fouine18 with the online test builder (74 tests)
Ranked by: number of candidates
1. Must, needn't, mustn't (34967 candidates)
2. Will / would (32807 candidates)
3. Need +inf / need +ing (28770 candidates)
4. Wild animals (26534 candidates)
5. Birds (20714 candidates)
6. At, on, or in (19264 candidates)
7. Past tense,present perfect or pluperfect (17398 candidates)
8. Passive form (14898 candidates)
9. Modal verbs (14848 candidates)
10. Verbs (13807 candidates)
11. Relative pronoun (13540 candidates)
12. Sentences with 'wish' (11609 candidates)
13. Pronouns (10861 candidates)
14. Comparative (10308 candidates)
15. Sport (10259 candidates)
16. Quantities (9929 candidates)
17. Superlatives (9777 candidates)
18. Add the adverbs in the sentences (9662 candidates)
19. Active form (9429 candidates)
20. Jobs (9245 candidates)