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

221. Verb + -ing or to.(2) (41297 candidates)
222. Verb + -ing or to. (1) (19736 candidates)
223. I wish, if only (228692 candidates)
224. Question Words ( 2) (5298 candidates)
225. Question words (1) (41098 candidates)
226. Conditional (first and second) (40838 candidates)
227. Third conditional (47515 candidates)
228. Suffixes (3) (2292 candidates)
229. Suffixes (2) (2283 candidates)
230. Suffixes ( 1) (4475 candidates)
231. Modal verbs 2 (23189 candidates)
232. Past simple or continuous (18382 candidates)
233. Although / in spite of / despite (172359 candidates)
234. A/ an and the (42458 candidates)
235. Countable nouns with a/an and some (23811 candidates)
236. Question tags (4243 candidates)
237. For, since, during, yet, etc (53689 candidates)
238. Hypothetical structures (16730 candidates)
239. Préfixes (1848 candidates)
240. Is or are? (74857 candidates)