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

221. Verb + -ing or to.(2) (41724 candidates)
222. Verb + -ing or to. (1) (20091 candidates)
223. I wish, if only (232394 candidates)
224. Question Words ( 2) (5352 candidates)
225. Question words (1) (41613 candidates)
226. Conditional (first and second) (41586 candidates)
227. Third conditional (48559 candidates)
228. Suffixes (3) (2298 candidates)
229. Suffixes (2) (2285 candidates)
230. Suffixes ( 1) (4523 candidates)
231. Modal verbs 2 (23807 candidates)
232. Past simple or continuous (18665 candidates)
233. Although / in spite of / despite (174471 candidates)
234. A/ an and the (42724 candidates)
235. Countable nouns with a/an and some (24172 candidates)
236. Question tags (4260 candidates)
237. For, since, during, yet, etc (54639 candidates)
238. Hypothetical structures (16890 candidates)
239. Préfixes (1895 candidates)
240. Is or are? (75249 candidates)