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

221. Verb + -ing or to.(2) (41874 candidates)
222. Verb + -ing or to. (1) (20169 candidates)
223. I wish, if only (233284 candidates)
224. Question Words ( 2) (5379 candidates)
225. Question words (1) (41847 candidates)
226. Conditional (first and second) (41922 candidates)
227. Third conditional (49073 candidates)
228. Suffixes (3) (2298 candidates)
229. Suffixes (2) (2288 candidates)
230. Suffixes ( 1) (4528 candidates)
231. Modal verbs 2 (24044 candidates)
232. Past simple or continuous (18739 candidates)
233. Although / in spite of / despite (175104 candidates)
234. A/ an and the (42814 candidates)
235. Countable nouns with a/an and some (24281 candidates)
236. Question tags (4263 candidates)
237. For, since, during, yet, etc (55060 candidates)
238. Hypothetical structures (16928 candidates)
239. Préfixes (1915 candidates)
240. Is or are? (75418 candidates)