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

21. To be to? or To have to? (687 candidates)
22. Infinitive (without 'to') (176 candidates)
23. Infinitive form (29 candidates) [Being reviewed]
24. Gerund (4887 candidates)
25. So or such (5210 candidates)
26. Else and compounds (484 candidates)
27. Prepositions and adverbs of LOCATION (2) (4639 candidates)
28. Prepositions, adverbs: LOCATION (1) (5693 candidates)
29. Vocabulary: the weather (4415 candidates)
30. Vocabulary: destroy, destruction (302 candidates)
31. Vocabulary: speed and slowness (302 candidates)
32. Vocabulary: walking (3783 candidates)
33. Vocabulary: leisure and hobbies (4108 candidates)
34. Indefinites (5748 candidates)
35. About (971 candidates)
36. Vocabulary and expressions: hope (353 candidates)
37. Vocabulary: good manners (4991 candidates)
38. Vocabulary: conversation (4673 candidates)
39. Vocabulary: invitations (5412 candidates)
40. Vocabulary: meeting people (4365 candidates)