Grammar Scan - Michael Swan David Baker 2008
Upper Intermediate
5 modal verbs (1): can, could, may, might
6 modal verbs (2): will, would, used to, must, should, ought
8 -ing forms and past participles
10 verbs: some special structures
13 determiners (1): articles, possessives and demonstratives
14 determiners (2): other determiners
18 questions, negatives and exclamations
23 special sentence structures
26 spelling, contractions and punctuation
28 words (2): other confusable words