tests by laure95 with the online test builder (42 tests)

21. Their / they are / there are (10868 candidates)
22. Can and can't (275659 candidates)
23. Be allowed to (94661 candidates)
24. So and neither (8001 candidates)
25. In town (2365 candidates)
26. Present perfect or past perfect (65172 candidates)
27. Exclamation with What or So (7374 candidates)
28. During, for or since (75062 candidates)
29. Did, was or were (118770 candidates)
30. Questions with How many (11662 candidates)
31. Look and particles (7547 candidates)
32. Pronouns (7623 candidates)
33. Short answers (21679 candidates)
34. Must or mustn't (221089 candidates)
35. Can/Must/Should (286059 candidates)
36. Could/Couldn't (303468 candidates)
37. All, Many, A few (4119 candidates)
38. Relative pronouns (29684 candidates)
39. Active or passive form (5577 candidates)
40. Subject pronouns (16773 candidates)