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

41. Made of? from? with? or out of? (6079 candidates)
42. Standard or casual registers? (34 candidates) [Being reviewed]
43. Conditions (2367 candidates)
44. Vocabulary: belonging and possessing (394 candidates)
45. Subject-verb inversions (3996 candidates)
46. Word order: no subject - verb inversion (624 candidates)
47. To be to? or To have to? (825 candidates)
48. Infinitive (without 'to') (219 candidates)
49. Infinitive form (4872 candidates)
50. Gerund (5263 candidates)
51. So or such (5361 candidates)
52. Else and compounds (534 candidates)
53. Prepositions and adverbs of LOCATION (2) (4777 candidates)
54. Prepositions, adverbs: LOCATION (1) (5843 candidates)
55. Vocabulary: the weather (4514 candidates)
56. Vocabulary: destroy, destruction (312 candidates)
57. Vocabulary: speed and slowness (339 candidates)
58. Vocabulary: walking (3878 candidates)
59. Vocabulary: leisure and hobbies (4175 candidates)
60. Indefinites (5836 candidates)