[ Modal Auxiliary Verb ]
The whole kitchen was still dirty; she … forgotten to clean it.
A. should have
B. would have
C. might have
D. must be
E. could be

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Present Forms and Narrative TensesComparatives and Past Perfect TenseSimple Verb TensesParallel Structure or Combining SentencesPresent ContinuousAuxiliary Verbs, if, unless and ModalCommon & Proper NounsGrammar - First ConditionalConditional Sentence Type 0-3Grammar (was, were, could, could not)Other quiz:
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