形容词副词的比较等级.ppt
语法互动(六)语法互动(六)形容词和副词形容词和副词1形容词和副词的比较级和最高级的规则变化形容词和副词的比较级和最高级的规则变化(1)一般在词尾直接加一般在词尾直接加-er或或-est。如:。如:tall taller tallest,long _ _(2)以不发音的字母以不发音的字母e结尾的单词在词尾直接加结尾的单词在词尾直接加-r或或-st。如:。如:nice nicer nicest,large _ _(3)以以辅辅音音字字母母y结结尾尾的的词词,把把y变变为为i,再再加加er或或est。如:如:heavy heavier heaviest,busy busier busiestfunny _ _考点考点 形容词和副词的三级形容词和副词的三级longer longestlarger largestfunnier funniest语法互动(六)语法互动(六)形容词和副词形容词和副词(4)在在重重读读闭闭音音节节中中,末末尾尾只只有有一一个个辅辅音音字字母母,双双写写这这个个辅辅音字母,再加音字母,再加-er或或-est。如:。如:big bigger biggest,hot hotter hottestthin _,fat fatter fattest(5)部部分分双双音音节节词词和和多多音音节节词词分分别别在在原原级级前前加加more构构成成比比较级,加较级,加most构成最高级。如:构成最高级。如:slowly _beautiful more beautiful most beautifulimportant more important most importantthinner thinnestmore slowly most slowly形容词、副词比较级和最高级的构成形容词、副词比较级和最高级的构成1、规则变化 构 成 方 法原 级比 较 级最 高 级单音节词和少数多音节词一般在词尾加一般在词尾加-er/或或-est/ist/coldcoldercoldestfastfasterfastest以字母以字母e结尾的形容词,加结尾的形容词,加-r或或-stnicenicernicestlargelargerlargest重读闭音节词只有一个辅音字母重读闭音节词只有一个辅音字母时,应先双写辅音字母;再加时,应先双写辅音字母;再加-er或或-estbigbiggerbiggesthothotterhottest以以“辅音字母辅音字母+y”结尾的双音节词,结尾的双音节词,先改先改“y”为为“i”,再加再加-er或或-esteasyeasiereasiestearlyearlierearliest多音节词和部分双音节词在词前加在词前加more或或mosttiredmore tiredmost tiredeasilymore easilymost easily原级比较级最高级good/wellbad/badlymany/muchlittlefar形容词、副词比较级和最高级的构成形容词、副词比较级和最高级的构成2、不规则变化betterbestworseworstmorelessfarther furthermostleastfarthestfurthestfast _ _large _ _big _ _happy _ _difficult _ _fasterlargerbigger说出下列形容词或副词的比较级和最高级happiermore difficultfastestlargestbiggesthappiestmost difficult(形容词和副词的比较级和最高级形容词和副词的比较级和最高级)比较级最高级语法互动(六)语法互动(六)形容词和副词形容词和副词3三级的用法三级的用法(1)原级的用法原级的用法 只只能能修修饰饰原原级级的的词词有有very,quite,so,too等等。如:。如:The old man is _ walk on.那个老人太累了以至于不能再继续走了。那个老人太累了以至于不能再继续走了。原级常用的句型结构原级常用的句型结构a“Av.as形形容容词词原原级级/副副词词原原级级as B”表示表示“A和和B程度相同程度相同”。如:。如:too tired to语法互动(六)语法互动(六)形容词和副词形容词和副词Lucy is as old as Kate.露西和凯特的年龄一样大。露西和凯特的年龄一样大。Tom runs _ Mike.汤姆和迈克跑得一样快。汤姆和迈克跑得一样快。b“Av.notas/so形形容容词词原原级级/副副词词原原级级as B”表示表示“A不如不如B”如:如:This classroom is _ that one.这个教室不如那个大。这个教室不如那个大。He doesnt walk as slowly as you.他走路不像你那样慢。他走路不像你那样慢。(2)比较级常用的句型结构比较级常用的句型结构as fast asnot as/so big as语法互动(六)语法互动(六)形容词和副词形容词和副词 “Av.(倍倍数数)比比较较级级thanB”表表示示“A比比B”或或“A比比B几倍几倍”如:如:Jim is taller than Kate.吉姆比凯特高。吉姆比凯特高。This ball is _ that one.这个球比那个大三倍。这个球比那个大三倍。“Av.比比较较级级thanany other单单数数名名词词(介介词词短短语语)”表表示示“A比比同同一一范范围围内内的的任任何何一一个个人人/物物都都”,含含义义是是“A最最”。如:。如:Xiaoming is taller than _ in his class.Xiaoming is taller than(any of)the other boys in his class.three times bigger thanany other boy语法互动(六)语法互动(六)形容词和副词形容词和副词小明比他班上其他任何男孩都高。小明比他班上其他任何男孩都高。Xiaoming is the tallest boy in his class.小小明明是是他他班班上上最最高高的男孩。的男孩。“Av.the比比较较级级of the two”表表示示“A是是两两者中较者中较的的”。如:如:Look at the two boys.Xiaoming is _ the two.看看那那两个男孩,小明是两个当中较高的那个。两个男孩,小明是两个当中较高的那个。“比较级比较级and比较级比较级”表示表示“越来越越来越”如:如:He is getting _他越来越高了。他越来越高了。He does his homework more and more carefully.他做作业越来越认真了。他做作业越来越认真了。the taller oftaller and taller语法互动(六)语法互动(六)形容词和副词形容词和副词“the比比较较级级,the比比较较级级”表表示示“越越,就就越越”如:如:The more,the better.越多越好。越多越好。_ you work,_ your grades will be.你越努力学习,你的成绩就越好。你越努力学习,你的成绩就越好。“特殊疑问词特殊疑问词v.比较级,比较级,A or B?”如:如:Which is bigger,the blue ball or the red one?哪一个大,蓝球还是红球?哪一个大,蓝球还是红球?注意注意 比较级前常用比较级前常用much,even,still,a little,a bit,a lot,far,any等词修饰。等词修饰。The harder the better“主主语语v.the最最高高级级(单单数数名名词词)in/of短短语语”,表表示示“是是中最中最的的”。如:如:Tom is the tallest(student)in his class.Tom is the tallest of all the students.汤姆是他们班上汤姆是他们班上/所有学生当中最高的。所有学生当中最高的。I jump _ in my class.我是我们班跳得最远的。我是我们班跳得最远的。“主主语语v.one of the最最高高级级复复数数名名词词in/of短短语语”,表示,表示“是是中最中最之一之一”。如:如:Beijing is _ in China.北京是中国最大的城市之一。北京是中国最大的城市之一。语法互动(六)语法互动(六)形容词和副词形容词和副词(the)farthestone of the biggest cities (3)最高级常用句型结构最高级常用句型结构语法互动(六)语法互动(六)形容词和副词形容词和副词“特特殊殊疑疑问问词词v.the最最高高级级A,B,or C?”用用于于三者以上的比较。如:三者以上的比较。如:Which season do you like _,spring,summer or autumn?你最喜欢哪一个季节,春天,夏天还是秋天?你最喜欢哪一个季节,春天,夏天还是秋天?“主主语语v.the序序数数词词最最高高级级”,表表示示“是是中的第几中的第几”如:如:Tom is_boy in his class.汤姆是他们班身高第二的男生。汤姆是他们班身高第二的男生。best/(the)mostthe second tallest语法探究语法探究asas原级原级:too,so,quite,very,.1.The boy is as_ as his father.(tall)2.Its very _ to play on the road.(dangerous)talldangerous4.Its much too_,today.(cold)5.It was quite_,but not perfect.(good)3.The boy ran so _that I couldnt catch him.(fast)fastcoldgood1.Shanghai is_thanBeijing.(busy)busier2.Who is _,your sister or his?(thin)thinner3._(much)food you eat,_(fat)you will be.The more the fatter4.She is _ofthe twins.(short)the shorter5.When spring comes,the weather is getting _and _.(warm)warmer warmer 6.Jim has been even_ in Chinese since Mr.Green taught him.(interest)more interested.比比较较级级than比比 and比比the 比比,the 比比Which/Who is,or?the 比比 of the twomuch,even,a lot,最最高高级级in/ofone ofthe序数词最高级序数词最高级Which/Who is,or?1.The Yellow River is the second_ river in China.(long)longest2.Which skirt is _,yours,hers or mine?(fashionable)the most fashionable 3.I have _ books in my family.(many)the most4.He is one of _(popular)singers in China.the most popular语法互动(六)语法互动(六)形容词和副词形容词和副词考点大过关考点大过关用所给词的适当形式填空用所给词的适当形式填空1Eating _(health)food is good for you.2They were _(interest)in the action movie.3She likes light music because its _(relax)4Please listen to the teacher _(careful)in class.5The old should be spoken to _(polite)6I think science is as_(useful)as math.7Bob is _(outgoing)than his sister.8The more you smile,the _(happy)youll feel.9Jim gets to school _(early)than his classmates.10The Yellow River is the second _(long)river in China.carefully healthyinterestedrelaxingpolitelyusefulmore/less outgoing happier earlierlongestThank you!