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

41. Idioms: the weather (2787 candidates)
42. Concession (5155 candidates)
43. Idioms: men and women (314 candidates)
44. Reduced forms (4039 candidates)
45. Modal auxiliaries in the past. (5430 candidates)
46. To see and to hear + ing/ bare infinitive (6520 candidates)
47. Word Stress (2) (2525 candidates)
48. Word Stress (1) (3143 candidates)
49. Pronunciation of the final sound -ED (4458 candidates)
50. A few difficulties with pronunciation (3477 candidates)
51. Vocabulary: doing things... (4209 candidates)
52. Vocabulary: Taking a holiday (4382 candidates)
53. Can/ could/ can't and equivalents (1480 candidates)
54. By? By the time? Until? (6232 candidates)
55. Made of? from? with? or out of? (6265 candidates)
56. Standard or casual registers? (3286 candidates)
57. Conditions (2463 candidates)
58. Vocabulary: belonging and possessing (464 candidates)
59. Subject-verb inversions (4140 candidates)
60. Word order: no subject - verb inversion (679 candidates)