Deduction/Speculation: Julie might have forgotten our meeting., You could have had a nasty accident., The oral interview in French must have been difficult., That interview can't have been easy., Criticism/regret: You should have explained why you weren't there on time., I ought to have been more understanding., Necessity/lack of necessity: I needn't have worried about the test - I got 100%, Fortunately, we didn't have to stay late., modal verb + passive: They must be stopped as soon as possible., He should have been told the truth.,

Unit 8 Grammar explore grammar page 108 3rd highschool

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