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

221. Verb + -ing or to.(2) (41991 candidates)
222. Verb + -ing or to. (1) (20227 candidates)
223. I wish, if only (234086 candidates)
224. Question Words ( 2) (5386 candidates)
225. Question words (1) (42241 candidates)
226. Conditional (first and second) (42036 candidates)
227. Third conditional (49412 candidates)
228. Suffixes (3) (2300 candidates)
229. Suffixes (2) (2289 candidates)
230. Suffixes ( 1) (4533 candidates)
231. Modal verbs 2 (24241 candidates)
232. Past simple or continuous (18908 candidates)
233. Although / in spite of / despite (175556 candidates)
234. A/ an and the (42868 candidates)
235. Countable nouns with a/an and some (24360 candidates)
236. Question tags (4269 candidates)
237. For, since, during, yet, etc (55288 candidates)
238. Hypothetical structures (16954 candidates)
239. Préfixes (1918 candidates)
240. Is or are? (75535 candidates)