[ Past Modals ]
___ to call me back?
A. Could he have forgotten
B. May he have forgotten
C. Must he have forgotten
Select your answer:

Random Topics:
Verb PhraseCommon ErrorNo Excuse Words / Conjunction SOPast Simple TenseComparison of Adjectives and AdverbsVocabulary and Modal VerbsSimple and Compound SentencesVerbs – Nouns – Adjectives - AdverbsGrammar ElementarySynonymsOther quiz:
Grammar › ViewAm I a doctor?
A. Yes, you are
B. Yes, I am
Vocabulary and Grammar › View
Sally _________ breakfast at home yesterday morning
A. have
B. has
C. had
