英语比较级和最高级的用法(8页).doc
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1、-英语比较级和最高级的用法-第 8 页英语比较级和最高级的用法一、形容词、副词的比较级和最高级的构成规则1.一般单音节词和少数以-er,-ow结尾的双音节词,比较级在后面加-er,最高级在后面加-est;(1)单音节词如:smallsmallersmallest shortshortershortesttalltallertallest greatgreatergreatest(2)双音节词如:clevercleverercleverest narrownarrowernarrowest2.以不发音e结尾的单音节词,比较在原级后加-r,最高级在原级后加-st;如:largelargerlarg
2、est nicenicernicest ableablerablest3.在重读闭音节(即:辅音+元音+辅音)中,先双写末尾的辅音字母,比较级加-er,最高级加-est;如:bigbiggerbiggest hothotterhottest fatfatterfattest4.以“辅音字母+y”结尾的双音节词, 把y改为i,比较级加-er,最高级加-est;如:easyeasiereasiest heavyheavierheaviestbusybusierbusiest happyhappierhappiest5.其他双音节词和多音节词,比较级在前面加more,最高级在前面加most;如:be
3、autifulmore beautifulmost beautifuldifferentmore differentmost differenteasilymore easilymost easily注意:(1)形容词最高级前通常必须用定冠词 the,副词最高级前可不用。例句: The Sahara is the biggest desert in the world.(2) 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.6.有少数形容词、副词的比较级和
4、最高级是不规则的,必须熟记。如:goodbetterbest wellbetterbestbadworseworst illworseworstoldolder/elderoldest/eldestmany/muchmoremost littlelessleastfar further/farther furthest/farthest二、形容词、副词的比较级和最高级的用法1.“A + be +形容词比较级 + than + B” 意思为“A比B更”。如:This tree is taller than that one. 这棵树比那棵树高。注意: 在含有连词than的比较级中,前后的比较对象
5、必须是同一范畴,即同类事物之间的比较。在比较级前面使用much,表示程度程度“强得多”。如:A watermelon is much bigger than an apple. very, quite一般只能修饰原级,不能修饰比较级。2.“比较级 + and + 比较级”或“more and more +原级”表示“越来越”如:It becomes warmer and warmer when spring comes.春天来了,天气变得越来越暖和了。It is getting cooler and cooler.天气越来越凉爽。The wind became more and more he
6、avily.风变得越来越大。Our school is becoming more and more beautiful.我们的学校变得越来越美丽。3.在含有or的选择疑问句中,如果有两者供选择,前面的形容词要用比较级形式。如:Who is taller,Tim or Tom? 谁更高,Tim还是Tom?4. “the +比较级, the+比较级”,表示“越越”。The more money you make, the more you spend.钱你赚得越多,花得越多。The sooner,the better.越快越好。5. 表示倍数的比较级用法:. A is times the siz
7、e /height/length/width of B.如:The new building is three times the height of the old one.这座新楼比那座旧楼高三倍。(新楼是旧楼的四倍高). A is times as big /high/long/wide/large as B.如: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 times larger /higher/longer/wider than B.如:Our school is twice bigger than
8、 yours.我们学校比你们学校大两倍。6.形容词、副词的最高级形式主要用来表示三者或三者以上人或事物的比较,表示“最”的意思。句子中有表示范围的词或短语。如:of the three, in our class等等。如:He is the tallest in our class.他在我们班里是最高的。7.否定词语+比较级,否定词语+ so as结构表示最高级含义。Nothing is so easy as this.=Nothing is easier than this.=This is the easiest thing.8. 比较级与最高级的转换:Mike is the most i
9、ntelligent in his class.Mike is more intelligent than any other student in his class7.修饰比较级和最高级的词1)可修饰比较级的词.a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, even等。. 还可以用表示倍数的词或度量名词作修饰语。. 以上词(除by far)外,必须置于比较级形容词或副词的前面。注意: 使用最高级要注意将主语包括在比较范围内。(错) Tom is the tal
10、lest of his three brothers.(对) Tom is the tallest of the three brothers.2)下列词可修饰最高级:by far, far, much, mostly, almost。This hat is nearly / almost the biggest.注意:a. very可修饰最高级,但位置与much不同。This is the very best.This is much the best.b. 序数词通常只修饰最高级。Africa is the second largest continent.8.要避免重复使用比较级。(错)
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