八年级英语上册-Unit-5-Lesson-30-A-Famous-Friend形容词比较级和最高级.pptx

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,*,*,*,形容词比较级和最高级构词规则,第1页,一、规则改变,1.单音节和少数双音节单词，普通在词尾加“er”或“est”。,如：clean,tall,small,cheap,short,long,light,high,2.以不发音字母“e”结尾单词，直接在词尾加“r”或“st”。,如：nice,late,close,fine,large,free,rude,第2页,3.以重读闭音节结尾单词，假如词尾只有一个辅音字母时，应先双写这一辅音字母，再加“er”或“est”。,fat,big,red,thin,hot,fat,sad,wet,4.以辅音字母+y结尾单词，应先改“y”为“i”，在加“er”或“est”。,happy,easy,heavy,healthy,busy,lucky,pretty,sunny,funny,5.,其它双音节单词和多音节单词，都在其前“more”或“most”。(beautiful,interesting),第3页,二、,不规则改变,合二为一共三对:“坏,bad,”,“病,ill,”比较级为worse,最高级为worst.两多,many,/,much,”比较级为more,最高级为most.“两好,good,/,well,”比较级为better,最高级为best.,一分为二只两个，一是“远,far,”比较级为farther/further,最高级为farthest/furthest.二是“老,old,”比较级为 older/elder，最高级为oldest/eldest.,还有一词,little,“少”比较级为less,最高级为least.,第4页,I.原级使用方法:,1.as+adj/adv.原级+as(肯,否),(not)soas(否),eg.The ruler is as,long,as that one.,He sings as,well,as Jack.He doesnt sing as(,so,)well as Jack.,2.as much as,as many as 与一样多,eg.I have done as much work as he did yesterday.,You can take as many books as you can.,第5页,II.比较级使用方法:,1.比较级+than,2.比较级+and+比较级,表示“越来越”,eg.warmer and warmer,nicer and nicer,more and more,beautiful,more and more fun,3.the+比较级 the+比较级,eg.The more you read the book,the more interesting you found.,4.比较级修饰语有:much,far,even,a little,a lot,a bit,rather,still,a great deal(大量),+adj./adv.比较级,5.当比较级后没有than,而为of the two结构,比较级前加the.,eg.The taller of the two girls is Mary.,第6页,最高级使用方法:,1.形容词最高级用于in,of 或among结构中,形容词最高级前+the,eg.I am,the,best of(among)the three.,He is,the,thinnest boy in my class.,2.副词最高级不需+the eg.Jim goes to bed,latest,in my family.),3.比较级和最高级交换(,比较时要,把自己排除,在外。注意比较范围),eg.Shanghai is the largest city in China.,Shanghai is larger than,any other,city in China.,第7页,IV.Others,Alices diet was,less,healthy,than,Dannys diet.(不如)(more than 胜于),This T-shirt is,the same,size,as,that one.,The red shirt is,five yuan cheaper,than that blue one.,Which is,the least interesting,film youve ever seen?,This park is,three times,as big as the Summer Palace.(倍数+asas),This book cost,twice,as much as that one.,第8页,I think English is as,as maths.,important B.more important C.most important,2.Mother gets up,in my family.,early B.earlier C.earliest D.the earlier,3.The next morning Jenny got up even,.,early B.earlier C.earliest D.the earliest,4.Emily sings,of the five girls.,good B.well C.better D.best,5.In fact,Delia is a little,than her elder sister.,tall B.taller C.tallest D.the tallest,6.Heidi does not jump so,as Jane.,A.high B.higher C.highest D.the highest,第9页,7.Of all the stars the sun is,to us.,close B.closer C.closest D.the closest,8.Barbara felt much,than before after dark.,cold B.colder C.coldest D.the coldest,9.This jacket is smaller than that one but its,.,expensive B.more expensive,C.most expensive D.the most expensive,第10页,Thank you!,第11页,