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

221. Verb + -ing or to.(2) (41998 candidates)
222. Verb + -ing or to. (1) (20240 candidates)
223. I wish, if only (234103 candidates)
224. Question Words ( 2) (5389 candidates)
225. Question words (1) (42251 candidates)
226. Conditional (first and second) (42040 candidates)
227. Third conditional (49429 candidates)
228. Suffixes (3) (2300 candidates)
229. Suffixes (2) (2289 candidates)
230. Suffixes ( 1) (4533 candidates)
231. Modal verbs 2 (24259 candidates)
232. Past simple or continuous (18913 candidates)
233. Although / in spite of / despite (175591 candidates)
234. A/ an and the (42870 candidates)
235. Countable nouns with a/an and some (24366 candidates)
236. Question tags (4269 candidates)
237. For, since, during, yet, etc (55302 candidates)
238. Hypothetical structures (16968 candidates)
239. Préfixes (1919 candidates)
240. Is or are? (75539 candidates)