tests by paka98 with the online test builder (12 tests)
Ranked by: number of candidates
1. Agreement of subject and verb (31931 candidates)
2. Active and Passive Voice (26847 candidates)
3. Conditional (23689 candidates)
4. Formation of adjectives (10239 candidates)
5. Gerunds (9944 candidates)
6. Opposites by adding prefixes (6001 candidates)
7. Formation of verbs (5090 candidates)
8. Formation of nouns (4025 candidates)
9. Weather and the Environment (3186 candidates)
10. Comparative and superlative (3132 candidates)
11. Irregular plurals (2227 candidates)
12. Question Tags (1625 candidates)