tests by soumaia1 with the online test builder (12 tests)
Ranked by: number of candidates
1. Negative form (20442 candidates)
2. Pronouns (15081 candidates)
3. Quizá, quizás, tal vez, acaso, A lo mejor (11609 candidates)
4. School (9993 candidates)
5. Questions (7215 candidates)
6. Frutas y verano (4256 candidates)
7. Once upon a time (4105 candidates)
8. Simple past : A great day (3587 candidates)
9. Por que/Por qué (2802 candidates)
10. Leave Madrid (2643 candidates)
11. Central America (2367 candidates)
12. Flowers of Central America (1117 candidates)