初中英語語法中it的用法-課件PPT

1、2021/8/261初中英語中初中英語中it的用法的用法制作者：xxxxxxx院系:xxxxx學(xué)院班級：xxxx級xx班學(xué)號：xxxxxxxxxxx2021/8/262概述：概述：itit是表示人以外的動物或物品的單數(shù)名是表示人以外的動物或物品的單數(shù)名詞，通常譯為詞，通常譯為“它它”。除此之外，。除此之外，itit還有很多還有很多特殊的用法，而其意思根據(jù)實際情況而定。特殊的用法，而其意思根據(jù)實際情況而定。It的用法人稱代詞it的用法非人稱代詞it的用法2021/8/263（一）人稱代詞it的用法v1、代替前面（或后面）的名詞單數(shù)或不可數(shù)名詞所表示的事物。vI borrowed a book f

2、rom library yesterday. But I cant find it now. (it 代替前面的book）vAlthough we cant see it, there is air all around us. (it 代指后文的air）2021/8/2642 2、代替有生命但不能或不必分陰陽、代替有生命但不能或不必分陰陽的個體的個體vYesterday I saw a big camel, it was about 3 meters high.v-Someone is knocking at the door ?v-Really? Who is it ?2021/8/265

3、3、代指某些代詞it還可用于代指某些代詞this，that以及復(fù)合不定代詞something，anything，nothing等等。vWhats this ?vIts a new machine.vNothing is wrong , is it ?2021/8/266（二）非人稱代詞it的用法v1、指天氣、時間、距離、度量等等。vIts five kilometers from the office to my home .vIt often rains in summer .vWhat time is it now ?2021/8/2672、作形式主語或賓語為使句子平衡，非謂語動詞作主語或

4、賓語時，通常it作形式賓語，而將其真正的主語置于句末。vIt is not easy to finish the work In two days .vI found it hard to get there by eight oclock .2021/8/2683.用在一些特殊句型或搭配中，it沒有實際意義，但不可省略。vDoes it matter if he cant attend our party ?2021/8/269practicevAll of us find _ necessary to take exercise every day .vA .this B .that B .it D.themv解析：選C， 根據(jù)it作形式賓語代替真正的賓語to take exercise every day 2021/8/2610vOh, theres someone in the room. v_must be my brother .vA .He B .This C .It D .That v解析：選C， it作代詞，在此處代指someone2021/8/26112021/8/261