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

41. Vocabulary: Taking a holiday (4320 candidates)
42. Can/ could/ can't and equivalents (1063 candidates)
43. By? By the time? Until? (6067 candidates)
44. Made of? from? with? or out of? (6116 candidates)
45. Standard or casual registers? (36 candidates) [Being reviewed]
46. Conditions (2381 candidates)
47. Vocabulary: belonging and possessing (397 candidates)
48. Subject-verb inversions (4021 candidates)
49. Word order: no subject - verb inversion (632 candidates)
50. To be to? or To have to? (851 candidates)
51. Infinitive (without 'to') (227 candidates)
52. Infinitive form (4898 candidates)
53. Gerund (5289 candidates)
54. So or such (5372 candidates)
55. Else and compounds (541 candidates)
56. Prepositions and adverbs of LOCATION (2) (4797 candidates)
57. Prepositions, adverbs: LOCATION (1) (5862 candidates)
58. Vocabulary: the weather (4518 candidates)
59. Vocabulary: destroy, destruction (314 candidates)
60. Vocabulary: speed and slowness (340 candidates)