Lesson 09 打电话(3 / 3)

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  当句子的谓语不是助动词、情态动词或be动词时,其一般疑问句要在句首加do / does /did,谓语动词用原形。
  17 it's too late. let's talk later.
  太晚了,我们下次再聊。
  语法提要
  let's是let us的缩写,其引导的反义疑问句用shall we?由let us引导的反义疑问句用will you?如:let's begin our class, shall we?或let us go out for a dinner, will you?
  note
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