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Time WordsHSK 4

Comparing 以后 and 的时候

Use 以后 after a verb to mean 'after' that action happens. Use 的时候 after a verb to mean 'when' or 'while' that action is happening. Be careful not to use 以后 for simultaneous actions, as it always indicates a sequence.

Structure

Subj. + Verb + 以后，⋯
Subj. + Verb + 的时候，⋯

Examples

  • 下飞机以后给我打电话。
    Xià fēijī yǐhòu gěi wǒ dǎ diànhuà
    Give me a call after you get off the plane.
  • 来中国以后我才发现中国菜那么好吃。
    Lái Zhōngguó yǐhòu wǒ cái fāxiàn Zhōngguó cài nàme hǎochī.
    Only when I got to China did I realize how tasty Chinese food is.
  • 吃饭的时候看电视容易长胖。
    Chīfàn de shíhou kàn diànshì róngyì zhǎng pàng.
    It's easy to get fat if you eat while you watch TV.
  • 雨停了的时候，我们就去公园玩。
    Yǔ tíng le de shíhou , wǒmen jiù qù gōngyuán wán.
    When it stops raining, we'll go play in the park.
  • 雨停了以后，我们就去公园玩。
    Yǔ tíngle yǐhòu , wǒmen jiù qù gōngyuán wán.
    When it stops raining, we'll go play in the park.

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