tests by jagienka with the online test builder (12 tests)
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1. Do , does , did (192913 candidates)
2. Possessive adjectives (171804 candidates)
3. Present perfect simple or continuous (79081 candidates)
4. Present perfect and past tense (10471 candidates)
5. Possessive adjectives (4879 candidates)
6. Should or would (3693 candidates)
7. Present simple or continuous (2378 candidates)
8. Prepositions (2242 candidates)
9. Present simple and continuous (1975 candidates)
10. Prepositions (1842 candidates)
11. Questions (1608 candidates)