单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,比较级和最高级,英语句子中，,将比较两个主体的方法叫做“比较句型”。,其中，,像“,A,比,B,更,”,的表达方式称为比较级。,最高级表示三者或三者以上,的人或物进行比较时，用最高级。,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。,在含有,连词,than,的比较级中，,前后的比较对象必须是同一范畴，即同类事物之间的比较。,在比较级前面使用,much,，表示程度“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。,注意：,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 heavily.,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+be+,倍数,+times+the+,形容词对应名词形式,+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+be+,倍数,+times+as+,原级,+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+be+,序数词,+,比较级,+than+B.,如：,Our school is twice bigger than 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,.,形容词,的比较等级构成方式,:,1.,一般单音节,adj,的比较级多在原形上加,-er,最高级加,-est.,多音节,adj,在原形前加,more,最高级加,most,Remember,原级,比较级,最高级,small,small,er,small,est,beautiful,more,beautiful,most,beautiful,popular,more,popular,most,popular,2.,辅音字母加,y,结尾时去,y,变,i,再加,er,eg.friendly,friendl,ier,friendl,iest,3.,以不发音的,e,结尾时加,r/st.eg.fine,fine,r,fine,st,4.,重读闭音节结尾的词,如末尾是一个辅音字母,双写这个辅音字母,再加,-er/est.eg.big,big,ger,bigg,est,5.,不规则,adj,的比较级与最高级如下,:,原级,比较级,最高级,good,better,best,bad,worse,worst,many/much,more,most,old,older/elder,oldest/oldest,little,less,least,四.单项选择。,1.Lucy is very short,but she is _ than her sister.,A.shorter B.longer C.taller D.older,2.Frank is _ friendly than his brother.,A.a little more B.a few more C.much D.a little,3.Sam is _ at Chinese than Jim.A.good B.well,C.better D.gooder,4.This one is too large.Can you show me a _one?,A.larger B.large C.small D.smaller,5.Do you think March is _ than January?,Yes,its _ warmer.,better,a little B.well,much,C.worse,very D.nicer,quite,6.Im _ quieter than Susan.,A.little B.few,C.a little D.a few,7.The watch is not _ beautiful as that one.,A.very B.too,C.so D.more,8.His French isnt so good as _.,A:he B:him C:his D:hers,9.Its much better than _ classes.,A.have B.has,C.to have D.having,10.Her bag is newer than _.,A.mine B.my,C.me D.I,11.The _,the better.,A.much B.many,C.more D.most,12.Do you know who is _ of the twins?,A.shorter B.heavier,C.the older D.the funny,13.The weather in North China is colder than _ in South China.,A.B.this C.the one D.that,13.Which one is _,this one or that one?,A.good B.bad C.bestD.worse,14.He is _ than me.,A.older B.elder,C.young D.more younger,15.I think your room is _ bigger.,A.a lot B.a lot of,C.lots of D.more,