1) I should have _________ harder. a) studied b) study c) studying 2) I shouldn't have _________ that, I think I might have upset her. a) say b) said c) saying 3) You _________ apologized for your mistake. a) Shouldn't have b) Should have 4) I feel tired, I _______ gone to bed so late. a) Should have b) Shouldn't have 5) They should have listening to the teacher. a) correct b) Incorrect

MG2 U5 Grammar (should + shouldn't have + Past participle)

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