Use a modal to make a deduction in the following ...

★ Modals of Speculation and Deduction

Use a modal to make a deduction in the following sentence: ‘The lights are off, so they ____________ be at home.’

A. can

B. shall

C. must

D. might

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Apply a modal of speculation in the context of a missing item in a story.

A. Speculating about the missing item is not necessary in the story.

B. Modal verbs such as ‘could’, ‘might’, ‘may’ can be used to speculate about the possible whereabouts or fate of the missing item.

C. Modal verbs such as ‘will’, ‘shall’, ‘must’ can be used to speculate about the possible whereabouts or fate of the missing item.

D. Using past tense verbs like ‘was’, ‘were’, ‘had’ can be used to speculate about the possible whereabouts or fate of the missing item.