tests by fouine18 with the online test builder (74 tests)
Ranked by: number of candidates
1. Must, needn't, mustn't (34971 candidates)
2. Will / would (32809 candidates)
3. Need +inf / need +ing (28818 candidates)
4. Wild animals (26570 candidates)
5. Birds (20724 candidates)
6. At, on, or in (19272 candidates)
7. Past tense,present perfect or pluperfect (17423 candidates)
8. Passive form (14905 candidates)
9. Modal verbs (14852 candidates)
10. Verbs (13821 candidates)
11. Relative pronoun (13591 candidates)
12. Sentences with 'wish' (11614 candidates)
13. Pronouns (10862 candidates)
14. Comparative (10309 candidates)
15. Sport (10291 candidates)
16. Quantities (9929 candidates)
17. Superlatives (9777 candidates)
18. Add the adverbs in the sentences (9673 candidates)
19. Active form (9429 candidates)
20. Jobs (9283 candidates)