A.Had he lied to the boss | B.Did he lie to the boss |
C.If he has lied to the boss | D.If he lies to the boss |
时间 | 从句谓语形式 | 主句谓语形式 |
将来 | 动词过去式(be用were) should + 动词原形 were to + 动词原形 | would / should / might / could + 动词原形 |
现在 | 动词过去式(be 用 were) | would / should / might / could + 动词原形 |
过去 | had +动词过去分词 | would / should / might / could have + 动词过去分词 |
A.ought to | B.could | C.were able to | D.might |
A.should | B.would | C.could | D.might |
A.should kill | B.might kill | C.must have killed | D.could have killed |
A.may | B.should | C.can | D.must |
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