人教版新目标八年级英语上册形容词副词的比较级和最高级.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,2021/10/3,#,形容词、副词比较级和最高级,人教版新目标,Unit 3&Unit 4,人教版八年级英语上册语法（1）,第1页,形容词、副词概念,形容词：说明人或事物属性、状态或特征词，在句子中主要作名词装饰语。形容词通常置于其修饰名词之前。,副词：表示行为或状态特征词，惯用以修饰动词、形容词、其它副词或全句，表示时间、地点、程度、方式等概念,。,大多数形容词和副词有比较级和最高级改变，即原级、比较级、最高级，用来表示事物等级差异。原级即形容词原形，比较级、最高级有规则改变和不规则改变两种。,第2页,1.在“.than.”句中，表示“比,”,He is taller than I.,他比我高。,2.在“which.,.or.?”句中，表示二者比较,Which is bigger,the sun or the moon?,太阳和月亮，哪一个更大？,3.比较级+and+比较级,Its getting darker and darker.,天越来越黑了。,4.The more.,the more.越就越,The more you eat,the more you want.,你越吃越想要,。,5.形容词比较级前用 much,far,a lot,still,no,a little,even,any 修饰，表示超出程度,Your cake is a little larger than mine.,你蛋糕比我大一点儿。,形容词副词比较级使用方法,第3页,形容词、副词最高级使用方法,1.用于表示三者或三者以上，通常含有 in,of 介词短语,和语从句句子,2.在“Which.,.,.or.?”句中表示三者或三者以上比较,3.形容词最高级表示“最之一”时，用“one of the+,最高级+复数名词”,4.形容词最高级前面常有the,my等形容词性物主代,词，或者Chinas这么名词全部格,5.形容词最高级能够被very修饰，表示强调，且most有,时和形容词连用，前面用不定冠词，表示“非常”,Kate is the tallest of the three.,凯特是那三个当中个子最高。,Which is the biggest,the sun,the moon or the earth?,太阳，月亮，地球，哪一个最大？,Edison was one of the greatest,inventors,in the world.,爱迪生是世界上最为大创造家之一。,The Changjiang River is Chinas longest river.,长江是中国最长河流。,Ill do my very best.,我会尽最大努力。,第4页,比较级、最高级改变规则,普通单音节词未尾加,er,或,-est,以,不发音,e,结尾单音词和少数以,-le,结尾双音节词只加,r,或,-st,以辅音字母结尾重读闭音节词，双写结尾辅音字母再加,er,或,-est,以辅音字母+y结尾双音节词，改,y,为,i,，再加,-er,或,-est,少数以,-er、-ow,结尾双音节词未尾加,-er,-est,其它双音节词和多音节词，在前面加more，most 来组成比较级和最高级,。,第5页,规则改变,例词,原级,比较级,最高级,tall,tall,er,tall,est,large,large,r,larg,est,big,big,ger,bigg,est,原级,比较级,最高级,goodwell,better,best,bad ill,worse,worst,little few,less,least,many much,more,most,不规则改变例词,第6页,big,small,A,B,Ball A is _ _ Ball B.,Ball B is _ _ Ball A.,bigger,than,smaller than,练一练,第7页,tall,short,Liu Xiang is _ _ Yao Ming.,Yao Ming is _ _ Liu Xiang.,shorter than,taller than,第8页,Lily is _ _ Lucy,.,Lucy,Lily,Lucy and Lily are twins(双胞胎).,funnier than,funny,第9页,Yao Ming is Jordan.,Jordan,226cm,198cm,tall,er than,Yaoming,tall,tall,er,Jordan is,tall,.,第10页,￥20,￥30,cheap,cheap,er,The pink dress is,cheap,.,The black dress is _,the pink one,.,cheap,er than,第11页,The red car is,cute,.,The blue car_,the red car.,(蓝车比红车更可爱）,is cute,r than,第12页,The red apple is,big,.,The green apple is _,the red one.,bigger than,第13页,56.1kg,heavy,58kg,Garfield is,heavy,.,Doraemon is _ Garfield,.,heav,ier,heav,ier than,Garfield,Doraemon,第14页,Which one is_?A or B?,A,B,bigger,第15页,The simpler you are,the happier you are.,The harder you are,the luckier you are.,第16页,形容词和副词同级比较,1.as+原级形容词+as 结构，表示前后二者情况一样,A+系动词+as+形容词原级+as+B,A+谓语动词+as+副词原级+as+B,2.在否定句中，用not as/so+原级形容词as结构，表示前者不如后者。,A+系动词+not asso+形容词原级+as十B,3.若第一个as/so后形容词作定语修饰名词，应将该名词及相关修饰语都放在第一个as/so之后。,I dont make as/so much money as you do.,我挣得钱不如你挣得多。,4.倍数+as+adj.+as,第17页,the+最高级+比较范围,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。,形容词most前面没有the，不表示最高级含义，只表示“非常”,。,It is a most important problem.,=It is a very important problem.,注意：使用最高级要注意将主语包含在比较范围内,。(错)Tom is the tallest of his three brothers.,(对)Tom is the tallest of the three brothers.,第18页,2.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.,第19页,可修饰 比较级、最高级 词,1.a bit,a little,rather,much,far,by far,many,a lot,lots,a great deal,any,still,even,等,注意：a.very可修饰最高级，但位置与much不一样。,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,.,2.还能够用表示倍数词或度量名词作修饰语。,3.以上词(除by far)外，必须置于比较级形容词或副词前面，enough除外。,第20页,many,old 和 far,1.假如后接名词时，much more+不可数名词many more+可数名词复数2.old 有两种比较级和最高级形式:older/oldest 和elder/eldest。elder，eldest 只用于弟兄姐妹长幼关系。3.far 有两种比较级，farther，further.二者都可指距离。在美语中，father 表示距离，further表示深入。,第21页,Exercises,写出以下单词比较级。,funny,quiet,serious,smart,outgoing,quickly,funn,ier,quiet,er,more,serious,smart,er,more,outgoing,more,quickly,第22页,tall,nice,big,funny,outgoing,old,old,er,tall,er,nice,r,big,ger,funn,ier,more,outgoing,第23页,late,expensive,thin,smart,high,fat,interesting,more,interesting,late,r,more,expensive,thin,ner,smart,er,high,er,fat,ter,第24页,二、词汇,1.Im tall but my sister is _(short).,2.My mother has long hair,and my sister has,_(long)hair.,3.This little baby is _,(outgoing)than that one.,shorter,longer,more outgoing,第25页,4.In some ways we look the same,in some,ways we look _(不一样).,5.Ann is a very _(平静)girl,she hardly makes noise.,different,quiet,第26页,