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初中英语知识点总结:初中英语语法——形容词副词比较级最高级注意事项

2018-07-20 15:22

来源:新东方网

作者:

  ◇序数词通常只修饰最高级。

  Africa is the second largest continent.

  The Yellow River is the second longest river in China.

  This is the third most popular song of Michael Jackson.

  ◇为避免重复,我们通常用that, those, one, ones代替前面出现的名词。that代替可数名词单数和不可数名词,those代替可数名词复数。one既可指人又可指物,只能代替可数名词。

  The weather in China is different from that in America.

  The book on the table is more interesting than that(或the one)on the desk.

  ?????? A box made of steel is stronger than one made of wood.

  ?????? 误:In winter, the weather of Beijing is colder than it of Shanghai.

  正:In winter, the weather of Beijing is colder than that of Shanghai.

  ◇“否定词 + 比较级”相当于最高级。

  ----Wait until we get a satisfactory reply, will you?

  ----I couldn't agree more. The idea sounds great to me.

  Nothing is so easy as this. =Nothing is easier than this. =This is the easiest thing.

  ◇比较级前一般不加冠词。但表示两者中较突出者,且比较级后又有名词或出现了of the two,这时比较级前一定要加the。

  He is the taller of the two.

  Of the two jobs,he chose the harder.

  Which is the younger one, Lily or Lucy?

  试比较:

  Which is larger, Canada or Australia?

  Which is the larger country, Canada or Australia?

  She is taller than her two sisters.

  She is the taller of the two sisters.

  ◇不含than 的比较级前可加不定冠词修饰,构成“a/an+比较级+单数可数名词”表示 “一个更……的人/物”。

  Why don’t you use a sharper knife? 你为什么不用一把更锋利的刀呢?

  ◇比较级than 后应用人称代词的主格,但非正式语体中常用宾格。

  He is taller than I/me.

  ◇为避免重复,比较级中同样的动词用助动词do, does, did替代。

  I spend less time doing homework than John does.

  She tells more funny jokes than we do.

  以下内容不是初中教学的重点,仅供拓展之用。

  ◇形容词most前面没有the,不表示最高级的含义,只表示“非常”。

  It is a most important problem. =It is a very important problem.

  ◇倍数表达法

  ▲A is three(four, etc.)times the size(height, length etc.)of B.

  The new building is four times the size(the height)of the old one.

  这座新楼是那座旧楼的四倍大(高)/这座新楼比那座旧楼大(高)三倍。

  ▲A is three(four, etc.)times as big(high, long, etc.)as B.

  Asia is four times as large as Europe. 亚洲是欧洲的四倍大/亚洲比欧洲大三倍。

  ▲A is three (four, etc.)times bigger(higher, longer, etc.)than B.

  Your school is three times bigger than ours.你们的学校比我们的学校大三倍。

  用times表倍数通常用于三倍以上,两倍可以用twice或double.

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