tests by felin with the online test builder (215 tests)

1. Much, many, little and few (373907 candidates) (moyenne = 12.7)
2. Little, a little, few and a few. (74330 candidates) (moyenne = 11.6)
3. So and Such (34017 candidates) (moyenne = 11.9)
4. Each and every (30567 candidates) (moyenne = 14.5)
5. Like and as (16618 candidates) (moyenne = 15.3)
6. All, everything or everybody/ everyone. (17791 candidates) (moyenne = 12.9)
7. Both / both of / neither / neither of / either / either (103158 candidates) (moyenne = 9.5)
8. In case or if (14483 candidates) (moyenne = 13.6)
9. Myself/yourself/themselves. (42812 candidates) (moyenne = 10)
10. Some and any (26554 candidates) (moyenne = 11.9)
11. Do/Make (12479 candidates) (moyenne = 7.8)
12. Adjectives and adverbs (194167 candidates) (moyenne = 12.8)
13. Present perfect or past simple (37214 candidates) (moyenne = 11.2)
14. Future continuous and future perfect. (237931 candidates) (moyenne = 11.2)
15. Adjectives - ing and ed (229372 candidates) (moyenne = 14.8)
16. Is or are? (75544 candidates) (moyenne = 11.6)
17. Préfixes (1922 candidates) (moyenne = 8)
18. Hypothetical structures (16973 candidates) (moyenne = 10.6)
19. For, since, during, yet, etc (55365 candidates) (moyenne = 12.3)
20. Question tags (4269 candidates) (moyenne = 9.4)