(1) 一是表示将来,即表示发生在谓语动作之后的动作。如:
We decided to leave early. 我们决定早点动身。
He asked me to buy him some paper. 他叫我给他买些纸。
We expect him to come in time. 我们希望他能及时来。
(2) 表示与谓语动作同时发生或略先于谓语动作的动作。如:
He seems to be tired. 他似乎累了。
Who heard him say that? 是谁听到他这样说的?
I’m sorry to hear that. 听到这事我很难过。(to hear 略先于am sorry)
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