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

221. Verb + -ing or to.(2) (41769 candidates)
222. Verb + -ing or to. (1) (20117 candidates)
223. I wish, if only (232602 candidates)
224. Question Words ( 2) (5353 candidates)
225. Question words (1) (41650 candidates)
226. Conditional (first and second) (41627 candidates)
227. Third conditional (48786 candidates)
228. Suffixes (3) (2298 candidates)
229. Suffixes (2) (2285 candidates)
230. Suffixes ( 1) (4523 candidates)
231. Modal verbs 2 (23882 candidates)
232. Past simple or continuous (18673 candidates)
233. Although / in spite of / despite (174610 candidates)
234. A/ an and the (42735 candidates)
235. Countable nouns with a/an and some (24188 candidates)
236. Question tags (4261 candidates)
237. For, since, during, yet, etc (54708 candidates)
238. Hypothetical structures (16901 candidates)
239. Préfixes (1896 candidates)
240. Is or are? (75273 candidates)