tests by hidalgo with the online test builder (653 tests)

261. Possessive adjectives (18934 candidates)
262. Imperative no (39061 candidates)
263. Possessive adjectives (11654 candidates)
264. Present - Regular verbs (8570 candidates)
265. Present - Irregular verbs (2635 candidates)
266. Enclisis (9851 candidates)
267. Esta - está - ésta (19866 candidates)
268. Synonyms (verbs) (12461 candidates)
269. Pretérito indefinido / Conditional present (5288 candidates)
270. Muy/Mucho (28900 candidates)
271. Personal pronouns (1319 candidates)
272. Simple past - irregular verbs (69886 candidates)
273. Diminutive words (4322 candidates)
274. #el que#lo que (4856 candidates)
275. From another tense to present tense (1796 candidates)
276. Tanto (8840 candidates)
277. Plural (4201 candidates)
278. Pretérito indefinido: irregular verbs (8318 candidates)
279. Haber/tener (present) (3833 candidates)
280. Pretérito indefinido / Pretérito imperfecto (20563 candidates)