tests by soumaia1 with the online test builder (12 tests)
Ranked by: number of candidates
1. Negative form (20516 candidates)
2. Pronouns (15140 candidates)
3. Quizá, quizás, tal vez, acaso, A lo mejor (11718 candidates)
4. School (9999 candidates)
5. Questions (7234 candidates)
6. Frutas y verano (4299 candidates)
7. Once upon a time (4120 candidates)
8. Simple past : A great day (3590 candidates)
9. Por que/Por qué (2821 candidates)
10. Leave Madrid (2648 candidates)
11. Central America (2373 candidates)
12. Flowers of Central America (1120 candidates)