Topics: Modals of Speculation and Deduction
Use a modal to make a past deduction in the following sentence: ‘The train arrived late, so it ____________ have been a signal problem.’
A. must have
B. should have
C. could have
D. might have
Select your answer:
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Tenses and StructuresGrammar: is/are/was/werePresent Simple and Modal VerbsWorld Literature VocabularyImperative SentencesSimple Future TensePersonificationSpellingExpressing Obligation and ModalsAdverb of Frequency and TensesOther quiz:
Grammar › ViewI _____________ my grandfather at the airport.
A. ‘m meeting
B. meet
C. meeting
D. have meet
Verbs and Tenses › View
Dian wrote a letter to her friend last week.
A. I wrote a letter yesterday.
B. I will write a letter last week.
C. I write a letter tomorrow.
D. I am writing a letter now.