公共英语

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2017年公共英语考试二级语法精选讲解(3)

来源 :华课网校 2016-11-30

  一般将来时

  1)shall用于第一人称,常被will 所代替。

  will 在陈述句中用于各人称,在争求意见时常用于第二人称。

  Which paragraph shall I read first.

  Will you be at home at seven this evening?

  2)be going to +不定式,表示将来。

  a. 主语的意图,即将做某事。

  What are you going to do tomorrow?

  b. 计划,安排要发生的事。

  The play is going to be produced next month.

  c. 有迹象要发生的事

  Look at the dark clouds, there is going to be a storm.

  3) be +不定式表将来,按计划或正式安排将发生的事。

  We are to discuss the report next Saturday.

  4)be about to +不定式,意为马上做某事。

  He is about to leave for Beijing.

  注意:be about to 不能与tomorrow, next week 等表示明确将来时的时间状语连用。

  be to和be going to

  be to 表示客观安排或受人指示而做某事。

  be going to 表示主观的打算或计划。

  I am to play football tomorrow afternoon.(客观安排)

  I'm going to play football tomorrow afternoon. (主观安排)

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