资源描述：
《牛津英语8A Unit1教案4.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、Unit1FriendsGrammarA&B袁彩霞Step1.PartA1.Lead-in:Wehavelearnedmanyadjectives,butdoyouknowhowtousetodescribepeopleandthings?Thinkaboutit,andyoucanlookatPage12toconsultit.I’llseewhoisclever.2.Presentation①Weuseadjectivestodescribepeopleandthings,whichputsbefo
2、reanounorafteralinkverbandlookattheexamplesonthebook.②Analysis,“Shehasshorthair”,“hair”isthenoun.“short”istheadjective,accordingtotherule,puttheadjectivebeforethenoun,soweputshortbeforehair.Askastudenttoanalysisthesecondsentence.③Lookatthesentence“Herhai
3、risshort”,beforetheadjectivesisalinkingverb.Wecanuseadjectiveaftertheselinkingverbs.Suchas:be,become,feel,get,grow……④Callyoutoanalysisthesentence“Thecatislazy.”3.Consolidation:DopartAonPage12.Rememberthatputanadjectivebeforeanounorafteralinkverb,thenfind
4、thesubjectandpredicatetomakesentence.Readthemandtranslatethem.Step2.PartBComparatives1.Lead-in:Welearnedtousetheadjectivestodescribethings.Butifwecomparetwothings,howdowesay?Andyouwanttocomparewithyourfriends,howdoyousay?ABAhaslonghair.Bhaslonghair,too.→
5、AhaslongerhairthanB.Workouttherule（1）whenwecomparetwothings,weusecomparatives,andweput“than”afterthecomparatives,weusuallyadd“er”toshortadjectivesanduse“more”forlongadjectives.e.g.SheisshorterthanIam.Mybookismoreinterestingthanhisbook.（2）Therearealsosome
6、otherrules.Iftheword:a.Endswith“e”,weadd“r”directly.b.Endsinaconsonant+“y”,weexchange“y”to“i”,add“er”.c.Endinavowel+aconsonant,doubletheconsonant,add“er”.d.Specialadjective,good---better,bad---worse.PleaselookatthetableonPage13carefully.Consolidation:Dot
7、heexercisesonPage13,B1.comparative,thanaskyoutoanswer,alsospeakoutwhyyouchangethis.Step3.PartBSuperlativesWeusecomparativeswhenwecomparetwothings,butwhenwecomparethreeormorepeople/things,howdowesay?2.Presentation:Thegirl’shairislongerthananyothergirlincl
8、ass.Thegirl’shairisthelongestinclass.Workouttherulewhenwecomparemorethanthreethings,wecanusesuperlatives,weusuallyadd“est”toshortadjectivesanduse“most”forlongadjectives,thanweadd“the”beforethesuperlatives.e.g.Heisthetalles
