tests by felin with the online test builder (259 tests)

221. Verb + -ing or to.(2) (41565 candidates)
222. Verb + -ing or to. (1) (19871 candidates)
223. I wish, if only (230571 candidates)
224. Question Words ( 2) (5320 candidates)
225. Question words (1) (41339 candidates)
226. Conditional (first and second) (41279 candidates)
227. Third conditional (47985 candidates)
228. Suffixes (3) (2296 candidates)
229. Suffixes (2) (2285 candidates)
230. Suffixes ( 1) (4505 candidates)
231. Modal verbs 2 (23478 candidates)
232. Past simple or continuous (18559 candidates)
233. Although / in spite of / despite (173577 candidates)
234. A/ an and the (42618 candidates)
235. Countable nouns with a/an and some (24018 candidates)
236. Question tags (4253 candidates)
237. For, since, during, yet, etc (54245 candidates)
238. Hypothetical structures (16810 candidates)
239. Préfixes (1893 candidates)
240. Is or are? (75100 candidates)