We should have foreseen that change of plans, You weren’t allowed to tell David our secret, Matt., I shouldn't have drunk so much coffee before bedtime., He ought to have left his house a few minutes earlier., Why did they need to change the lock?, I had to work late last night cutting client’s hair., He didn't have to study yesterday, so he went to the movies with us., She needn’t have given me such an expensive present., She couldn't study with the children chasing around the house.,

Gateway B2 unit 5 grammar I

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