英语人教版八年级上册unit 3 grammar focus .ppt

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1、Unit3I'mmoreoutgoingthanmysister.SectionA(2dandGrammarFocus)形容词一、概念：英语中大多数形容词和副词都有三个等级：原级、比较级和最高级。原级即原形；比较级表示“较.......”“更.......”；最高级表示“最........”。少数形容词和副词只有原形，没有较级和最高级。如right(正确的),wrong,woolen(羊毛制的)等形容词/副词比较级与最高级的规则变化构成原级比较级最高级一般加er、esttalltallertallestlargelarger以字母e结尾只加r、stlar

2、gest以辅音字母结尾的重读闭音节双写辅音字母后加er、estredhotthinredderhotterthinnerreddesthottestthinnest以辅音字母加y结尾的变y为i加er、esteasyhappyuglyearlyeasierhappieruglierearliereasiesthappiestugrliestearliestinteresting部分双音节和多音节此前加more、mostmoreinterestingmostinteresting形容词比较级和最高级的不规则变化请将下列形容词与副词的比较级写出来Friendl

3、y___________small___________hot___________badly__________clearly___________well___________important_________late_____________Friendliersmallerhotterworsemoreimportantlater2d.Role-playtheconversation.Julie:Didyoulikethesingingcompetitionyesterday,Anna?Anna:Oh,itwasfantastice!Nelly

4、sangsowell!Julie:Well,IthinkLisasangbetterthanNelly.Anna:Oh,whichonewasLisa?Julie:Theonewithshorterhair.IthinkshesangmoreclearlythanNelly.Anna:Yes,butNellydancebetterthanLisa.Julie:YoucantellthatLisareallywantedtowin,though.Anna:Well,everyonewantstowin.Butthemostimportantthingist

5、olearnsomethingnewandhavefan.形容词/副词原级、比较级和最高级的常用句型1、两者情况相同使用：as+形容词/副词原级+asA+be/v+（not）as+原级+as+B(be/v)2、前者超过后者用比较级：A+be/v+比较级+than+B3、三个或三个以上比较时用最高级：A+be/v+the+最高级+of/in+范围例句：1.IamastallasTom(is).HeisnotsofatasI(am)2.Sheissmarterthanhersister3.Sheworkshardestinschool！4、越.....，越.

6、....。the+比较级，the+比较级越来越.........。比较级+比较级例句：themoreyoureadbook，thebetteryouwritearticle.Heisstrongerandstanger.A+be+no+比较级+than+B二者都否定{A和B都不......}例如：ObamaisnoyoungerthanBush.奥巴马和布什都不年轻了。ReadtheGrammarFocusandthencompletethesentences.IsTom________(聪明)thanSam?No,_______.Samissmarte

7、r_____Tom.IsTara_______________(外向)thanTina?No,sheisn't.______________________________(蒂娜比塔拉外向。)Areyouas__________(友好)asyoursister?No,I'mnot.I'm___________(友好)thanher.______________________________(塔拉工作和蒂娜一样努力吗?)Yes,__________.______________________________(谁在学校学习比较努力？)smarterhei

8、sn'tthanmoreoutgoingTinaiamoreoutgoingth