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中考英语重点语法辨析(4)

2020-01-20 15:51:35中考网整理
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  例: Susan’s parents have bought a large house with a swimming pool. It ___ be very expensive.(2003年上海中考题)

  A. must B. can. C. mustn’t D. can’t

  【解析】一定要注意情态动词的表示推测的用法。Must 表示肯定的推测。而can’t表示否定的推测。本题是说:这个大房子一定很贵,是肯定的推测。所以选择A.

  名词的重要考点

  名词的复数变化

  名词复数的规则变化是:

  ①一般在词尾加“s”如:desk+s [-ks]  bag+s [-gz] bed+s[-dz] hat+s [-ts]

  ②以字母 s、x、sh、ch结尾的名词变复数,通常在词尾加“es”,如:bus+es [-iz] box+es [-iz] brush+es [-iz] watch + es [-iz]

  ③以字母o结尾的名词变复数, 一般在词尾加“s”,也有加es的,如:photo+s [-z]  tomato+es [-z]

  ④以f或fe结尾的名词一般变f或fe为v再加es,例如:

  knife─knives[-vz]  leaf─leaves [-vz]

  ⑤以辅音字母加y结尾的名词,变复数时改y为i,再加es, 如: baby ─ babies  factory─factories

  例:There are ____ in the field. They're eating grass.

  A. a horse           B. much horses

  C. many horse     D. many horses

  答案:D

  例:Look at the _____. You can see ____ and ______.

  A. photos; potatoes, tomatoes,radioes

  B. photoes; potatoes, tomatoes, radios

  C. photos; potatoes, tomatoes, radios

  D. photoes; potatos, tomatos, radioes

  答案:C

  名词复数的不规则变化就需要我们记忆了

  child ─children   fish─fish    foot─feet

  man ─ men  woman ─ women  tooth ─ teeth

  sheep ─ sheep

  注意:某些名词只有复数形式,例如:people (人们) clothes (衣服) trousers (裤子) police (警察) glasses (眼镜)

  不可数名词的量

  【分析】不可数名词的量化表达

  a piece of      a bag of     a bottle of

  a cup ofa glass of   a basket of

  例: He often has ____ forbreakfast.

  A. two breads B. twopiece of breads

  C. two pieces of bread   D. twopieces of breads

  答案:C

  例: I'd like some water, but he wants ________.

  A. two bottleorange

  B. two bottles of orange

  C. two bottlesoranges

  D. two bottles of oranges

  答案:B

  名词所有格

  有生命的名词所有格,其构成分下列四种:

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