tests by hidalgo with the online test builder (149 tests)
Ranked by: number of candidates
21. Like/as/how (20601 candidates)
22. As / like/ how (20505 candidates)
23. 's = has,is or genitive? (19714 candidates)
24. Articles A/AN/THE (18879 candidates)
25. Used to - get used to (18352 candidates)
26. Modal verbs (16607 candidates)
27. Funny riddles (15681 candidates)
28. Correct an e-mail (14651 candidates)
29. Indefinite pronouns (14440 candidates)
30. Derivation (14174 candidates)
31. Across / through (13947 candidates)
32. Collocations (13675 candidates)
33. Imagine by John Lennon (13660 candidates)
34. Time clauses (11861 candidates)
35. Computer and you (11288 candidates)
36. Pronouns (11108 candidates)
37. What a wonderful world by Louis Armstrong (11084 candidates)
38. Among or Between (10677 candidates)
39. Infinitive or -ing (10112 candidates)
40. Infinitive with or without To (10058 candidates)