长难句精讲8：定语从句

• It is Tu Haomin.

• Tu Haomin likes playing basketball.
  用who替代指代人的相同名词
  who引导的句子放在相同名词的后面
  

  定语从句.png

• He enjoys reading newspapers.

• Newspapers can tell him a lot of knowledge.
  用which替代指代物的相同名词
  which引导句子放在相同名词的后面
  

  定语从句.png

定语从句:两个句子中出现相同的名词，将一个句子的名词由连接词替换，再将其放在相同名词的后方.

• The boy is my brother.

• He helped me.

  • = The boy who helped me is my brother.

• This is the mountain village.

• I visited it last year.

  • = This is the mountain village which/that I visited last year.

who/which/that

• ==who:指的是人==
• ==which：指的是物==
• that：既可以指的是人又可以指的是物，但是如果前面是“，”不能用that.

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• The factory is over there.
• My father worked in it ten years ago.
  • The factory which my father worked ==in== ten years ago is over there.
  • The factory ==in which== my father worked ten years ago is over there.
• 当动词和介词关系疏远的介词，既可以放到后面又可以放到前面。关系紧密必须放到后面
• 动词+介词关系
  • 紧密：去掉介词意思发生改变，关系紧密
    • look for 寻找---look看
    • look into 观察--look看
  • 疏远：去掉介词意思不改变，关系疏远
    • look at看---look看
• It is theory to which many economists ++subscribe++（订阅，赞同）.

• 当先行词是地点时候有时候也可以用where引导
  

  定语从句.png

• His father died that year.

• He was born in that year.

  • = His father died that year which he was born in.
  • = His father died that year in which he was born.

定语从句.png

• I cannot forget the day
• My family moved into the city on that day.
  • = I cannot forget the day which my family moved into the city on.
  • = I cannot forget the day on which my family moved into the city.

定语从句.png
定语从句:两个句子中出现相同的名词，将一个句子的名词由连接词who/which/that替代，用who/which/that所引导的句子放到相同名词后面.如果所替代的那句话中出现的介词与其动词关系疏远，可以将介词提到who/which的前面，如果介词+which指的是时间还可以用when，是地点用where