8年级上册unit3unit4比较级使用注意事项课件

形容词和副词GrammarFocusGrammarFocus11、Theflowersarevery_________.(beautiful)2、Thegirlsaresittingthere________.(quiet)3、They’retalkingvery____________.(loud)4、Wecangetthere_____________.(easy)5、Theproblemsare_____________.(easy)6、They’relivinga____________life.(happy)7、Eatingtoomuchmeatis_________.(bad)8、Heplaysthepiano_____________.(bad)9、Theyhavenew______(bright)classroom.10、Thesunisshining___________.(bright)1、Theflowersarevery_______2形容词，副词的比较级和最高级。大多数形容词和副词有三个等级：原级、比较级、最高级。一、构成1.构成的不规则变化:eg.good/well–better–bestill/bad/badly–worse–worstmany/much–more–mostlittle–less–leastfar–farther/farthest–further/furthest(更进一步）old—older/oldest--elder/eldest(年长的)形容词，副词的比较级和最高级。32.构成的规则变化:1)单音节词和少数双音节词一般在词尾后加-er或-est.如：cold–colder–coldestnice—nicer–nicestclever-cleverer-cleverest2)重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er或-est。如:big–bigger–biggestthin–thinner–thinnest2.构成的规则变化:43)以“辅音字母+y”结尾的双音节词，先改y为i,再加-er或-est。如：easy–easier–easiesthappy–happier–happiestdirty-dirtier-dirtiestfunny-funnier-funniestearly-earlier-earliesthealthy-healthier-healthiestfriendly-friendlier-friendliest-morefriendly-mostfriendly

3)以“辅音字母+y”结尾的双音节词，58年级上册unit3unit4比较级使用注意事项［课件］68年级上册unit3unit4比较级使用注意事项［课件］72.very，so，such,too，enough，quite,rather修饰形容词原级averygoodboy,sogoodagirl,quiteasmartboy,suchafineday,3.A+谓语动词+twice/threetimes+as+原级+asB。“A是B的两倍/三倍”Thishouseisthreetimesasbigasthatone.4.as原级aspossible/sbcan

“尽可能……的”Wegettothehospitalasquicklyaspossible.2.very，so，such,too，enough，qu8三、比较级用法（表示两者的比较）1.A+谓语+比较级+than+B。(A>B)eg.IamtallerthanTom.Mydressismore

beautifulthanhers.2.much，far，even,still,alot;abit,alittle;no,any修饰比较级

Sheisnoricherthanme.=Sheisasrichasme.3.选择疑问句，AorB？

Whichdoyoulikebetter,coffeeortea?三、比较级用法（表示两者的比较）94.the+比较级+ofthetwoeg.Tinaisthetallerofthetwins.5.比较级and比较级（单音节词或部分双音节词）“越来越……”eg.Ourcountryisbecomingstrongerandstronger.

moreandmore+多音节词或双音节词

eg.Ourcountryisbecomingmoreandmorebeautiful.6.the+比较级+从句，the+比较级+从句“越……，越……”eg.Theharderyoustudy,thebettergradesyouget.4.the+比较级+ofthetwo10四、最高级用法（表示三者或三者以上(人或事物)的比较,其中有一个在某一方面超过其他几个时,用最高级）。1.最高级的前面一般要加定冠词the,2.主语+谓语+最高级+of/among+类别的词语主语+谓语+最高级+in+范围的词语eg.Heisthetallestoftheboysinourclass.3.much，byfar，the+序数词,修饰最高级eg.HuangheisthesecondlongestriverinChina.四、最高级用法（表示三者或三者以上(人或114.oneof+the+最高级+名词复数“最……之一”

eg.Parisisoneofthebiggestcitiesintheworld.5.选择疑问句，A，BorC？4.oneof+the+最高级+名词复数“最……之12一、忌不同类事物进行比较。

他的电脑比我的便宜。误：HiscomputerischeaperthanI.正：Hiscomputerischeaperthanmine.析：在比较级的句子中，相比较的双方必须是同类事物，否则会造成歧义。这里mine=mycomputer。比较级使用禁忌一、忌不同类事物进行比较。比较级使用禁忌13误：ThepopulationofChinaislargerthanIndia.正：ThepopulationofChinaislargerthanthat(=thepopulation)ofIndia.中国的人口比印度的人口多。误：ThestudentsofClassTwostudyharderthanClassOne.正：ThestudentsofClassTwostudyharderthanthoseofClassOne.二班的学生比一班的学生读书用功。误：InwinteritiscolderinBeijingthanShanghai.正：Inwinter,itiscolderinBeijingthaninShanghai.冬天北京比上海冷。

误：ThepopulationofChinaisl14二、忌自己与自己进行比较。1.比尔比他班上的其他男孩都高。误：Billistallerthananyboyinhisclass.正：Billistallerthananyotherboyinhisclass.正：Billistallerthantheotherboysinhisclass.析：在比较级的句子中，同一类人或物在同一范围内进行比较，要把自己排除在比较范围之外。二、忌自己与自己进行比较。152.玛丽歌唱得比班里的任何一个男孩都好。误：Marysingsbetterthananyotherboyinherclass.正：Marysingsbetterthananyboyinherclass.析：在比较级的句子中，主语和范围之外的人或事进行比较时用"any+单数名词"。又如：ShanghaiislargerthananycityinJapan.（上海比日本的任何一个城市都要大。）但是：ShanghaiislargerthananyothercityinChina.（上海比中国任何一个其他城市都大。）2.玛丽歌唱得比班里的任何一个男孩都好。16三、忌错用修饰词。吉姆比他妹妹大得多。误：Jimisveryolderthanhissister.正：Jimismucholderthanhissister.析：比较级前面常用much,alittle,far,even（更），alot,still（更）等副词来修饰，表示程度，不可用very,too,quite等词来修饰。三、忌错用修饰词。17四、忌错用表示范围的介词。李玲在我们班年龄最小。误：LiLingistheyoungestofourclass.正：LiLingistheyoungestinourclass.析：表示范围的短语有1）in+one's/the+n.在…里2）of+the+数词+名词复数在几个…中3）of+all+the+名词复数在所有的…中如：Tomwritesbestofthethreeboys.在这三个男孩中，汤姆写字最好。

四、忌错用表示范围的介词。18五、忌错用主格宾格。下面两句话中，than后面一句用I，一句用me,两者都可以。HeistallerthanI.他比我长得高。Heistallerthanme.(多用于口语中)但是有些句子中，用主格和宾格时意义不同。例如：Iliketheboybetterthanher.我喜欢那个男孩胜于喜欢她。

Iliketheboybetterthanshe.我比她更喜欢那个男孩。

MrSmithlikeshisfriendbetterthanhiswife.史密斯先生比他的妻子更喜欢他的朋友。(也可理解为：史密斯先生喜欢他的朋友胜过喜欢自己的妻子)如果把省略的部分写出来，便可避免歧义：MrSmithlikeshisfriendbetterthanhelikeshiswife.史密斯先生喜欢他的朋友胜过喜欢自己的妻子。五、忌错用主格宾格。19六、几种句型的转换同一个意思往往可以用不同的句型来表达。例如：JackistallerthanJill.杰克比吉尔长得高。=JillisshorterthanJack.吉尔长得比杰克矮。JillislesstallthanJack.=JillisnotastallasJack.吉尔长得不如杰克高。Thisbookislessinterestingthanthatone.=Thisbookisnotasinterestingasthatone.这本书不如那本有趣。Billisthetallestboyinhisclass.=Billistallerthananyotherboyinhisclass.=Billistallerthantheotherboysinhisclass.=NobodyistallerthanBillinhisclass.六、几种句型的转换20一、词汇1、Theflowersarevery_________.(beautiful)Thegirlsings_____________thantheboy.(beautiful)

2、Thegirlsaresittingthere__________.(quiet)3、They’retalkingvery_________.(loud)4、Wecangetthere__________.(easy)5、They’regettingreadyforthesportsmeeting__________.(busy)beautifulmorebeautifullyquietly

loudly

easily

busily

一、词汇1、Theflowersarevery___216、They’relivinga_______life.(happy)7、Thewindisblowing_______.(strong)8、Heplaysthepiano______.(bad)9、Jimworks___________thanTom.(hard)

10、Thesunisshining__________.(bright)happystronglybadlyharderbrightly6、They’relivinga_______lif221.Thewhiteshirtisas_____astheyellowone.A.cheapB.cheaperC.cheapestD.thecheapest2.Youknow_____aboutitthanTomdoes.A.evenlittleB.evenlessC.morelittleD.moreless3.Thisgardenis______thatone.A.tentimesaslongasB.tentimeslongerasC.tentimeslongerasD.aslongastentimes二、单项选择A

BA1.Thewhiteshirtisas_____234.Theearthisgetting________.A.warmandwarmer B.warmerandwarmC.warmerandwarmerD.warm,andwarm5.Whichoneis________,footballorbasketball?A.morepopularB.popularC.popularerD.muchpopular6.Heruns__________ofthefourboys.A.fastB.fasterC.thefastestD.fastest7.Thefifthorangeis________ofall.Giveittothatsmallchild.A.bigB.biggerC.thebiggerD.thebiggestCADD4.Theearthisgetting_______248.Allanisoneof________popularteachersintheschool.A.moreB.themoreC.mostD.themost9.Whichcityis________,Beijing,ShanghaiorFuzhou?A.beautiful B.morebeautifulC.muchmorebeautifulD.themostbeautiful10.---Dotheylikehim?---Yes．Heis____akindman．A.veryB.soC.muchD.suchDDD8.Allanisoneof________pop25ExerciseExercise26一、词汇1、Theflowersarevery_________.(beautiful)Thegirlsings_____________thantheboy.(beautiful)

2、Thegirlsaresittingthere__________.(quiet)3、They’retalkingvery_________.(loud)4、Wecangetthere__________.(easy)5、They’regettingreadyforthesportsmeeting__________.(busy)beautifulmorebeautifullyquietly

loudly

easily

busily

一、词汇1、Theflowersarevery___276、They’relivinga_______life.(happy)7、Thewindisblowing_______.(strong)8、Heplaysthepiano______.(bad)9、Jimworks___________thanTom.(hard)

10、Thesunisshining__________.(bright)happystronglybadlyharderbrightly6、They’relivinga_______lif281.Thewhiteshirtisas_____astheyellowone.A.cheapB.cheaperC.cheapestD.thecheapest2.Youknow_____aboutitthanTomdoes.A.evenlittleB.evenlessC.morelittleD.moreless3.Thisgardenis______thatone.A.tentimesaslongasB.tentimeslongerasC.tentimeslongerasD.aslongastentimes二、单项选择A

BA1.Thewhiteshirtisas_____294.Theearthisgetting________.A.warmandwarmer B.warmerandwarmC.warmerandwarmerD.warm,andwarm5.Whichoneis________,footballorbasketball?A.morepopularB.popularC.popularerD.muchpopular6.Heruns__________ofthefourboys.A.fastB.fasterC.thefastestD.fastest7.Thefifthorangeis________ofall.Giveittothatsmallchild.A.bigB.biggerC.thebiggerD.thebiggestCADD4.Theearthisgetting_______308.Allanisoneof________popularteachersintheschool.A.moreB.themoreC.mostD.themost9.Whichcityis________,Beijing,ShanghaiorFuzhou?A.beautiful B.morebeautifulC.muchmorebeautifulD.themostbeautiful10.---Dotheylikehim?---Yes．Heis____akindman．A.veryB.soC.muchD.suchDDD8.Allanisoneof________pop318年级上册unit3unit4比较级使用注意事项［课件］32形容词和副词GrammarFocusGrammarFocus331、Theflowersarevery_________.(beautiful)2、Thegirlsaresittingthere________.(quiet)3、They’retalkingvery____________.(loud)4、Wecangetthere_____________.(easy)5、Theproblemsare_____________.(easy)6、They’relivinga____________life.(happy)7、Eatingtoomuchmeatis_________.(bad)8、Heplaysthepiano_____________.(bad)9、Theyhavenew______(bright)classroom.10、Thesunisshining___________.(bright)1、Theflowersarevery_______34形容词，副词的比较级和最高级。大多数形容词和副词有三个等级：原级、比较级、最高级。一、构成1.构成的不规则变化:eg.good/well–better–bestill/bad/badly–worse–worstmany/much–more–mostlittle–less–leastfar–farther/farthest–further/furthest(更进一步）old—older/oldest--elder/eldest(年长的)形容词，副词的比较级和最高级。352.构成的规则变化:1)单音节词和少数双音节词一般在词尾后加-er或-est.如：cold–colder–coldestnice—nicer–nicestclever-cleverer-cleverest2)重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母,再加-er或-est。如:big–bigger–biggestthin–thinner–thinnest2.构成的规则变化:363)以“辅音字母+y”结尾的双音节词，先改y为i,再加-er或-est。如：easy–easier–easiesthappy–happier–happiestdirty-dirtier-dirtiestfunny-funnier-funniestearly-earlier-earliesthealthy-healthier-healthiestfriendly-friendlier-friendliest-morefriendly-mostfriendly

3)以“辅音字母+y”结尾的双音节词，378年级上册unit3unit4比较级使用注意事项［课件］388年级上册unit3unit4比较级使用注意事项［课件］392.very，so，such,too，enough，quite,rather修饰形容词原级averygoodboy,sogoodagirl,quiteasmartboy,suchafineday,3.A+谓语动词+twice/threetimes+as+原级+asB。“A是B的两倍/三倍”Thishouseisthreetimesasbigasthatone.4.as原级aspossible/sbcan

“尽可能……的”Wegettothehospitalasquicklyaspossible.2.very，so，such,too，enough，qu40三、比较级用法（表示两者的比较）1.A+谓语+比较级+than+B。(A>B)eg.IamtallerthanTom.Mydressismore

beautifulthanhers.2.much，far，even,still,alot;abit,alittle;no,any修饰比较级

Sheisnoricherthanme.=Sheisasrichasme.3.选择疑问句，AorB？

Whichdoyoulikebetter,coffeeortea?三、比较级用法（表示两者的比较）414.the+比较级+ofthetwoeg.Tinaisthetallerofthetwins.5.比较级and比较级（单音节词或部分双音节词）“越来越……”eg.Ourcountryisbecomingstrongerandstronger.

moreandmore+多音节词或双音节词

eg.Ourcountryisbecomingmoreandmorebeautiful.6.the+比较级+从句，the+比较级+从句“越……，越……”eg.Theharderyoustudy,thebettergradesyouget.4.the+比较级+ofthetwo42四、最高级用法（表示三者或三者以上(人或事物)的比较,其中有一个在某一方面超过其他几个时,用最高级）。1.最高级的前面一般要加定冠词the,2.主语+谓语+最高级+of/among+类别的词语主语+谓语+最高级+in+范围的词语eg.Heisthetallestoftheboysinourclass.3.much，byfar，the+序数词,修饰最高级eg.HuangheisthesecondlongestriverinChina.四、最高级用法（表示三者或三者以上(人或434.oneof+the+最高级+名词复数“最……之一”

eg.Parisisoneofthebiggestcitiesintheworld.5.选择疑问句，A，BorC？4.oneof+the+最高级+名词复数“最……之44一、忌不同类事物进行比较。

他的电脑比我的便宜。误：HiscomputerischeaperthanI.正：Hiscomputerischeaperthanmine.析：在比较级的句子中，相比较的双方必须是同类事物，否则会造成歧义。这里mine=mycomputer。比较级使用禁忌一、忌不同类事物进行比较。比较级使用禁忌45误：ThepopulationofChinaislargerthanIndia.正：ThepopulationofChinaislargerthanthat(=thepopulation)ofIndia.中国的人口比印度的人口多。误：ThestudentsofClassTwostudyharderthanClassOne.正：ThestudentsofClassTwostudyharderthanthoseofClassOne.二班的学生比一班的学生读书用功。误：InwinteritiscolderinBeijingthanShanghai.正：Inwinter,itiscolderinBeijingthaninShanghai.冬天北京比上海冷。

误：ThepopulationofChinaisl46二、忌自己与自己进行比较。1.比尔比他班上的其他男孩都高。误：Billistallerthananyboyinhisclass.正：Billistallerthananyotherboyinhisclass.正：Billistallerthantheotherboysinhisclass.析：在比较级的句子中，同一类人或物在同一范围内进行比较，要把自己排除在比较范围之外。二、忌自己与自己进行比较。472.玛丽歌唱得比班里的任何一个男孩都好。误：Marysingsbetterthananyotherboyinherclass.正：Marysingsbetterthananyboyinherclass.析：在比较级的句子中，主语和范围之外的人或事进行比较时用"any+单数名词"。又如：ShanghaiislargerthananycityinJapan.（上海比日本的任何一个城市都要大。）但是：ShanghaiislargerthananyothercityinChina.（上海比中国任何一个其他城市都大。）2.玛丽歌唱得比班里的任何一个男孩都好。48三、忌错用修饰词。吉姆比他妹妹大得多。误：Jimisveryolderthanhissister.正：Jimismucholderthanhissister.析：比较级前面常用much,alittle,far,even（更），alot,still（更）等副词来修饰，表示程度，不可用very,too,quite等词来修饰。三、忌错用修饰词。49四、忌错用表示范围的介词。李玲在我们班年龄最小。误：LiLingistheyoungestofourclass.正：LiLingistheyoungestinourclass.析：表示范围的短语有1）in+one's/the+n.在…里2）of+the+数词+名词复数在几个…中3）of+all+the+名词复数在所有的…中如：Tomwritesbestofthethreeboys.在这三个男孩中，汤姆写字最好。

四、忌错用表示范围的介词。50五、忌错用主格宾格。下面两句话中，than后面一句用I，一句用me,两者都可以。HeistallerthanI.他比我长得高。Heistallerthanme.(多用于口语中)但是有些句子中，用主格和宾格时意义不同。例如：Iliketheboybetterthanher.我喜欢那个男孩胜于喜欢她。

Iliketheboybetterthanshe.我比她更喜欢那个男孩。

MrSmithlikeshisfriendbetterthanhiswife.史密斯先生比他的妻子更喜欢他的朋友。(也可理解为：史密斯先生喜欢他的朋友胜过喜欢自己的妻子)如果把省略的部分写出来，便可避免歧义：MrSmithlikeshisfriendbetterthanhelikeshiswife.史密斯先生喜欢他的朋友胜过喜欢自己的妻子。五、忌错用主格宾格。51六、几种句型的转换同一个意思往往可以用不同的句型来表达。例如：JackistallerthanJill.杰克比吉尔长得高。=JillisshorterthanJack.吉尔长得比杰克矮。JillislesstallthanJack.=JillisnotastallasJack.吉尔长得不如杰克高。Thisbookislessinterestingthanthatone.=Thisbookisnotasinterestingasthatone.这本书不如那本有趣。Billisthetallestboyinhisclass.=Billistallerthananyotherboyinhisclass.=Billistallerthantheotherboysinhisclass.=NobodyistallerthanBillinhisclass.六、几种句型的转换52一、词汇1、Theflowersarevery_________.(beautiful)Thegirlsings_____________thantheboy.(beautiful)

2、Thegirlsaresittingthere__________.(quiet)3、They’retalkingvery_________.(loud)4、Wecangetthere__________.(easy)5、They’regettingreadyforthesportsmeeting__________.(busy)beautifulmorebeautifullyquietly

loudly

easily

busily

一、词汇1、Theflowersarevery___536、They’relivinga_______life.(happy)7、Thewindisblowing_______.(strong)8、Heplaysthepiano______.(bad)9、Jimworks___________thanTom.(hard)

10、Thesunisshining__________.(bright)happystronglybadlyharderbrightly6、They’relivinga_______lif541.Thewhiteshirtisas_____astheyellowone.A.cheapB.cheaperC.cheapestD.thecheapest2.Youknow_____aboutitthanTomdoes.A.evenlittleB.evenlessC.morelittleD.moreless3.Thisgardenis______thatone.A.tentimesaslongasB.tentimeslongerasC.tentimeslongerasD.aslongastentimes二、单项选择A

BA1.Thewhiteshirtisas_____554.Theearthisgetting________.A.warmandwarmer B.warmerandwarmC.warmerandwarmerD.warm,andwarm5.Whichoneis________,footballorbasketball?A.morepopularB.popularC.popularerD.muchpopular6.Heruns__________ofthefourboys.A.fastB.fasterC.thefastestD.fastest7.Thefifthorangeis________ofall.Giveittothatsmallchild.A.bigB.biggerC.thebiggerD.thebiggestCADD4.Theearthisgetting_______568.Allanisoneof________popularteachersintheschool.A.moreB.themoreC.mostD.themost9.Whichcityis________,Beijing,ShanghaiorFuzhou?A.beautiful B.morebeautifulC.muchmorebeautifulD.themostbeautiful10.---Dotheylikehim?---Yes．Heis____akindman．A.veryB.soC.muchD.suchDDD8.Allanisoneof________pop57ExerciseExercise58一、词汇1、Theflowersarevery_________.(beautiful)Thegirlsings_____________thantheboy.(beautiful)

2、Thegirlsar