初中英語八年級上冊 Section A Grammar focus a-3c 微課

SectionAGrammarfocus3a—3c形容詞一、概念：英語中大多數(shù)形容詞和副詞都有三個等級：原級、比較級和最高級。原級即原形；比較級表示“較.......”“更.......”；最高級表示“最........”。少數(shù)形容詞和副詞只有原形，沒有較級和最高級。如right(正確的),wrong,woolen(羊毛制的)等形容詞/副詞比較級與最高級的規(guī)則變化構(gòu)成原級比較級最高級一般加er、esttalltallertallestlargelarger以字母e結(jié)尾只加r、stlargest以輔音字母結(jié)尾的重讀閉音節(jié)雙寫輔音字母后加er、estredhotthinredderhotterthinnerreddesthottestthinnest以輔音字母加y結(jié)尾的變y為i加er、esteasyhappyuglyearlyeasierhappieruglierearliereasiesthappiestugrliestearliestinteresting部分雙音節(jié)和多音節(jié)此前加more、mostmoreinterestingmostinteresting形容詞比較級和最高級的不規(guī)則變化請將下列形容詞與副詞的比較級寫出來Friendly___________small___________hot___________badly__________clearly___________well___________important_________late_____________Friendliersmallerhotterworsemoreimportantlater2d.Role-playtheconversation.Julie:Didyoulikethesingingcompetitionyesterday,Anna?Anna:Oh,itwasfantastice!Nellysangsowell!Julie:Well,IthinkLisasangbetterthanNelly.Anna:Oh,whichonewasLisa?Julie:Theonewithshorterhair.IthinkshesangmoreclearlythanNelly.Anna:Yes,butNellydancebetterthanLisa.Julie:YoucantellthatLisareallywantedtowin,though.Anna:Well,everyonewantstowin.Butthemostimportantthingistolearnsomethingnewandhavefan.形容詞/副詞原級、比較級和最高級的常用句型1、兩者情況相同使用：

as+形容詞/副詞原級+as

A+be/v+（not）as+原級+as+B(be/v)

2、前者超過后者用比較級：A+be/v+比較級+than+B3、三個或三個以上比較時用最高級：

A+be/v+the+最高級+of/

in+范圍例句：1.IamastallasTom(is).HeisnotsofatasI(am)

2.Sheis

smarter

than

her

sister3.She

works

hardest

in

school！

4、越.....，越.....。the+比較級，the+比較級越來越.........。比較級+比較級例句：themoreyoureadbook，thebetteryouwritearticle.Heisstrongerandstanger.A+be+no+比較級+than+B二者都否定{A和B都不......}例如：ObamaisnoyoungerthanBush.奧巴馬和布什都不年輕了。

ReadtheGrammarFocusandthencompletethesentences.IsTom________(聰明)thanSam?No,_______.Samissmarter_____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.______________________________(塔拉工作和蒂娜一樣努力嗎?)Yes,__________.______________________________(誰在學校學習比較努力？)smarterheisn'tthanmoreoutgoingTinaiamoreoutgoingthanTara.friendlyfriendlierDoesTaraworkashardasTina?shedoesWhoismorehard-workingatschool?Tinathinkssheworks

harderthanme.小結(jié)訓練()1.Bobneverdoeshishomework______Mary.Hemakeslotsofmistakes.A.socarefulasB.ascarefullyasC.carefullyasD.ascarefulas()2.Ahorseis______thanadog.A.muchheavyB.moreheavierC.muchheavierD.moreheavier()3.---Whichis_____,themoomortheearth?A.smallB.smallerC.smallestD.thesmallest()4.Thewhiteshirtisas_____astheyellowone.A.cheapB.cheaperC.cheapestD.thecheapest()5.Whichoneis_____,fo