初中八年级英语课件形容词副词比较级构成与句式结构

课题：形容词、副词比较级的构成方式与句式结构难点名称：比较级的各种句式结构1参赛教师：焦晶时间：20200820八年级-上册-第三单元目录CONTENTS2导入知识讲解课堂练习小节01形容词、副词比较级的构成s1.YaoMingis_________thanYiJianlian.2.YiJianlianis_________thanYaoMing.3.Kobeis_______thanYiJianlian.tallershortershorterNanXianghas_________hairthanLinXiao.LinXiaohas_________hairthanNanXiang.GuLihasthe__________hairofthethree.1.MaoXiaotonghas_______hairthanJiangShuying.2.JiangShuyinghas_________hairthanMaoXiaotong.3.TongYaohas__________hairthanJiangShuying.shorterlongerlonger1.一般情况下，在形容词或副词后面加-er变成比较级形容词、副词比较级的构成tall-tallershort-shorterlong-longer1.Japanis_________thanSouthKorea.2.SouthKoreais_________thanJapan.largersmaller2.以不发音字母e结尾的形容词或副词加-r变成比较级形容词、副词比较级的构成large—largercute—cuternice—nicer1.Theseconddogis_________thanthefirstone.2.Thecatis__________thantheseconddog.happierhappier1.Theseconddogis_________thanthefirstone.2.Thecatisthe__________ofthethree.1.Bobgetsup_________thanLily.2.Tomgetsup

__________thanBob.earlierearlier3.以“辅音字母+y“结尾的形容词或副词变y为i加-er变成比较级形容词、副词比较级的构成happy—happierheavy—heavierbusy—busierearly—earlier1.WeiJiais_________thanHeJiong.2.HeJiongis_________thanWeiJia.3.Haitaois__________thanHeJiong.fatterthinnerfatter4.重读闭音节词词尾只有一个辅音字母时，双写该辅音字母，再加-er变成比较级形容词、副词比较级的构成big—biggerhot—hotterthin—thinnerfat–fatterA:Ithinkwatchingmoviesis__________.B:Oh,Ithinkplayingcomputergamesis_________________thanwatchingmovies.interestingmoreinteresting形容词、副词比较级的构成5.部分双音节和多音节的形容词或副词，加-more变为比较级beautiful—morebeautifulinteresting—moreinterestingimportant—moreimportant6.不规则变化形容词、副词比较级构成good/well—betterbad/ill/badly—worsemany/much—moreold—older/elderlittle—lessfar—farther/further02形容词、副词比较级的用法形容词、副词比较级的用法1.肯定结构——”as+形容词/副词原级+as”,意为“和…一样…”。1)汤姆和我的年龄一样大。（old）Tomis______________me.2)约翰打篮球和麦克打得一样好。（well）Johnplaysbasketball_________________Mike.asoldasaswellas形容词、副词比较级的用法2.否定结构——“notas/so+形容词/副词原级+as”,意为“不如…”。1）这部电影没有那部有趣。(interesting)Thisfilmis_____________________________thatone.2）萨姆学习不像他姐姐那么努力。(hard)Sam________study___________________hissister.notas/sointerestingasdoesn’tas/sohardas形容词、副词比较级的用法3.“比较级+than…”，意为“比…更…”。1）他的自行车比他爸爸的新。（new）Hisbikeis_______thanhisfather’s.2)汤姆跑得比鲍勃快。（fast）Tomruns________thanBob.newerfaster形容词、副词比较级的用法4.“疑问词（句）…比较级，AorB?”,意为“……更……,AorB?”。1)哪一个更大，地球还是月球？（big）Whichis_______,theearthorthemoon?2)谁学习更刻苦，鲍勃还是汤姆？（hard）Whostudies_________,BoborTom?biggerharder形容词、副词比较级的用法5.“the+比较级…,the+比较级…”意为“越……,越……”。1)他越忙越感到高兴。（busy--busierhappy--happier）_______________heis,______________hefeels.2)站得越高，看得越远。（high—higherfar—farther）___________youstand,_____________yousee.ThebusierthehappierThehigherthefarther形容词、副词比较级的用法6.“比较级+and+比较级”，意为“越来越……”。天气越来越冷了。(

cold)Theweatheris______________________.2)她越来越漂亮了。（beautiful）Sheis____________________________________.3)这里的人们生活得越来越幸福。（happily）Thepeoplehereareliving______________________________.morebeautifulandmorebeautiful

colderandcoldermoreandmorebeautifulmoreandmorebeautifulmoreandmorehappily形容词、副词比较级的用法7.“the+比较级+ofthetwo……”，意为“两者中较……的”。玛丽是两个女孩中比较漂亮的那一位。(beautiful)Maryis________________________ofthetwogirls.

themorebeautiful形容词、副词比较级的用法8.含有倍数的比较1）“A+be+倍数+as+形容词原级+as+B”Thistreeisthreetimesastallasthatone.2）“A+be+倍数+形容词比较级+than+B”Ourclassroomisthreetimesbiggerthantheirs.形容词、副词比较级的用法9.形容词、副词的比较级前常用much,even,far,alittle,alot等词修饰，表示相比较的两者差异程度的大小。1）姚明比我们高得多。YaoMingis_____________tallerthanus.2)他英语说得比以前好了一点点。HespeaksEnglish______________betterthanbefore.alittlemuch/far/alot形容词、副词比较级的用法10.形容词、副词比较级表示最高级的用法1）“形容词/副词比较级+thananyother+可数名词单数”，意为“比其他任何一个……都更……”。汤姆比班里其他任何一个男生都要高。Tomis___________thananyother____________inhisclass.2)“形容词/副词比较级+thantheother+可数名词复数”，意为“比其他所有的……都更……”。汤姆比班里其他所有男生都要高。

Tomis___________thantheother____________inhisclass.注意：以上两种表达是在同一范围内进行比较。如果是在非同一范围内比较，常用形容词/副词比较级+thanany+可数名词单数汤姆比他哥哥班里的任何一个男生都要高。Tomis___________thanany____________inhisbrother’sclass.tallerboytallerboystallerboyTomisthetallestinhisclass.03巩固练习Thisboxis___thatone.

A.heavythanB.soheavythan

C.heavierasD.asheavyas

2.Thisbookis__thatone,but___thanthatone.

A.asdifficultas;expensive

B.asmoredifficultas;moreexpensive

C.asdifficultas;moreexpensive

D.moredifficultas;asexpensive3.Ithinkscienceis_____thanJapanese.

A.muchimportantB.importantC.muchmoreimportantD.moremuchimportant

4.Thispencilis______thanthatone.

A.longestB.longC.longerD.aslong

5.Ourclassroomis_______largerthantheirs.

A.moreB.quiteC.veryD.much

6.Whenspringcomes,itgets_______.

A.warmandwarmB.colderandcolderC.warmerandwarmerD.shorterandshorter7.Daybyday,_______studentsinourclasscametolikeEnglish.A.moreandmoreB.muchandmuchC.manyandmanyD.lessandleast8.___Ilookatthepicture,____Ilikeit.