tests by soumaia1 with the online test builder (12 tests)
Ranked by: number of candidates
1. Negative form (20710 candidates)
2. Pronouns (15213 candidates)
3. Quizá, quizás, tal vez, acaso, A lo mejor (11746 candidates)
4. School (10006 candidates)
5. Questions (7285 candidates)
6. Frutas y verano (4311 candidates)
7. Once upon a time (4195 candidates)
8. Simple past : A great day (3595 candidates)
9. Por que/Por qué (2841 candidates)
10. Leave Madrid (2669 candidates)
11. Central America (2385 candidates)
12. Flowers of Central America (1130 candidates)