Formulate a sentence using ‘may have’ to express uncertainty about a past event.
A. She may have left the lights on last week.
B. He may have eaten lunch at noon today.
C. They may have gone to the concert next month.
D. She may have forgotten her keys yesterday.

Random Topics:
Causative VerbsRelative Clauses & Real ConditionalsGrammar and StructureDirect and Indirect SpeechArticles and DeterminersTypes of PhrasesSimple Past Tense and Past Perfect TenseDependent PrepositionEnglish ArticleVerb and PrepositionOther quiz:
Grammar › ViewWhat does grammar mean?
A. logic of punctuation, mechanics, and ideas as they are presented within a sentence.
B. the specific ideas you use to develop your essay
C. great vocabulary that makes your writing come alive!
D. all of these
Grammar › View
Abu is thirsty, his mother gives him __ of water.
A. a packet
B. a glass
C. a pot
D. a tin
Adverbs › ViewWhich adverb correctly completes the sentence?
Jim can’t draw lines very _____.
A. straight
B. straighter
C. straightest
Punctuations › View
“Are you busy today? ” is what type of question?
A. Tag question
B. Wh-question
C. Yes-No question
D. Interrogative sentence
