tests by here4u with the online test builder (650 tests)

41. Idioms: the weather (2789 candidates)
42. Concession (5171 candidates)
43. Idioms: men and women (316 candidates)
44. Reduced forms (4047 candidates)
45. Modal auxiliaries in the past. (5450 candidates)
46. To see and to hear + ing/ bare infinitive (6559 candidates)
47. Word Stress (2) (2537 candidates)
48. Word Stress (1) (3167 candidates)
49. Pronunciation of the final sound -ED (4475 candidates)
50. A few difficulties with pronunciation (3478 candidates)
51. Vocabulary: doing things... (4210 candidates)
52. Vocabulary: Taking a holiday (4391 candidates)
53. Can/ could/ can't and equivalents (1488 candidates)
54. By? By the time? Until? (6254 candidates)
55. Made of? from? with? or out of? (6329 candidates)
56. Standard or casual registers? (3336 candidates)
57. Conditions (2467 candidates)
58. Vocabulary: belonging and possessing (468 candidates)
59. Subject-verb inversions (4153 candidates)
60. Word order: no subject - verb inversion (679 candidates)