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高考英语语法知识难点:it 与there be的用法

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    发表于 2020-7-18 07:41:17 | 显示全部楼层 |阅读模式
      为了帮助同学们备战高考英语,下面整理了《高考复习英语语法知识难点梳理》,供同学们参考。更多精彩尽请关注下北京新东方的高考英语系列课程~
      it 与there be的用法
      I.要点
      1、it的用法
      (1)用作人称代词,代替前文提到的无生命的事物,动植物、婴儿及指示代词this, that,如,
      I have anew pen. It is beautiful.
      The Brownshave a new baby. It's cute.
      (2)用来表示时间、天气、距离等,如,
      It'stwelve o'clock now.
      It's finetoday.
      (3)用作引导词,代替由不定式,ing形式或从句表示的真正的主语或宾语,如,
      It's nogood telling him that.
      It'snecessary for you to do so.
      (4)用在强调结构中,构成强调句式:It is/was +被强调部分+that/who/whom +句子其余部分,可强调除谓语以外的句子其他成分,如,
      It wasthis morning that I saw him in the street.
      It was Iwho saw him in the street this morning.
      It was inthe street that I saw him this morning.
      It was himwhom I saw in the street this morning.
      2、there be句型
      英语表示某时某处或某物时,常用there be句型,这是一种倒装结构,如,
      There area lot of students playing on the ground.
      There isgoing to be a test this afternoon.
      当主语有两个或两个以上时,动词be常和最近的那个主语取得一致,如,
      There is apen and three pencils in the pencil-box.
      Thereisn't a desk, a bench and three chairs in the room.
      There arelots of people like it, aren't there?
      there be句型,谓语动词除be之外,还可用其他表示存在,位置移动等意义的不及物动词或词组,如exist, stand, lie, enter, come, happen to be,appear to be等,如,
      Therestands a house at the foot of the hill.
      there be句型表示“存在”而have表“有”、“拥有”,所以there be中be不能换成have,但当have表示事物的特征时,可用“主语+have”结构替换there be 句型,如:
      There arefive doors in the house.
      The househas five doors.
      there be 的其它句型:
      1、There must be a meeting in the office.
      2、There have been great changes since 1979.
      3、There being no bus, we had to walk home.
      I.例题
      例1____that he went to sleep.
      A It wasuntil midnight B That was until midnight
      C It wasnot until midnight D That was not until midnight
      解析:该题答案为C。强调until结构时,要将否定词not移到until前。又如:He didn't leave until twelve 改为It was notuntil twelve that he left.
      例2Thereare a lot of students ____ in the class room.
      A talk Btalking C talked D to talk
      解析:该题正确答案为B。There be句型为倒装句,可换为A lot of students aretalking in the class room. 又如:There is a lot of noiseheard out in the street.

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