八年级英语上册Unit4DoityourselfStudyskills课件牛津版.ppt

Unit4DoityourselfStudyskills,Theboyslikeplayingbasketball.Theyareactiveindoingsports.Buttheyare_instudy.,notactive,inactive,happy,unhappy,nothappy,Iwillfinishmyhomeworkasmuchaspossible,butits_formetofinishallofit.,impossible,notpossible,Milliesmomisonbusiness(出差).Herbedroomis_.Canyouhelphermaketheroomtidy?,untidy,nottidy,untidy,possible,impossible,happy,unhappy,active,inactive,Opposites(反义词),tidy,prefixes,前缀,Wecanadd_beforeanadjectivetoexpresstheopposite(相反的)meaning.,“un-”,“im-”,“in-”,Formostoftheadjectives,weadd“un-”tomakeitopposite.,friendlyhappycomfortablecertaintidyablefairluckyusual,unfriendlyunhappyuncomfortableuncertainuntidyunableunfairunluckyunusual,Rules,Iftheadjectivebeginswith“p”,weusuallyadd“im-”beforeit.,politepossiblepatientpossible,impoliteimpossibleimpatientimpossible,Rules,But:pleasantunpleasant,expensivecorrectactivedirect,inexpensiveincorrectinactiveindirect,Rules,Butsomeadjectivesarespecial.Youshouldadd“in-”beforethemtomaketheoppositemeaning.,1._friendly2._happy3._correct4._polite5._comfortable6._expensive_healthy8._possible9._tidy10._certain11._patient12._able13.,7.,Checkyourmemory!,un,un,un,un,un,un,un,im,im,im,in,in,_regular,14._honest,ir,dis,Wecanaddbeforeanadjectivetoexpresstheoppositemeaning.,“ir-”or“dis-”,1.Annie:Doyouspendalotoftimedoingoutdoorsports?Simon:Sure.Itsusualformetostayathomeallday.2.Sandy:Ourneighbournextdoorisputtingsomethingonthewall.Mum:Itspossibletosleepwithallthatnoise.,unusual,impossible,Readtheconversation.Addthecorrectprefixestotheadjectivessothatallthesentencesmakesense.,3.Millie:Areyouabletofixyourbicycle,Andy?Andy:No.ImcertainthatIcanfixitmyself.4.Mum:Suzy,yourroomisreallytidythingsarealloverthefloor.Suzy:Sorry,Mum.Illtidyuprightnow.,uncertain,untidy,Discussion,Howshouldwebehaveinclassorinschool?,Weshouldbe_toothers.Weshouldbe_totheclassmatesinneed.Weshouldnotbe_insports.Wehadbetternotmakeourclassroom_.Wehadbetternotwear_clothesatschool.,friendly/kind,patient/helpful,inactive,untidy,untidy/uncomfortable,TommyandLeoaretwinbrothers.Theylooksomuchalikethatpeopleare_totellthematfirstsight.Ifoneknowsthemwell,itseasytotellthemapart.Tommylikessmiling.Heispatientandwillingtohelpothers.However,Leolooks_,forhe_smilingandnevergreetsothers.Whenhisclassmatesaskhimquestions,heis_and_toanswerthem.Itis_forLeotobehavethatway.Leolooks_becausenoonewantstomakefriendswithhim.Hethinksitis_forhisclassmatestotreathimsocoldly.IfLeostopsdoingthose_things,peoplewillfindit_todifferentiateLeoandTommy,unfriendly,unhappy/uncomfortable,improper/impolite/incorrect,unfair,dislikes,impatient,unwilling,unable,improper,impossible,Fillintheblankswithadjectiveswithprefixesun-,in-,im-anddis-.,1,3,2,4,5,6,7,8,9,Playingagame:amagicboxHereisamagicboxwithninecards,andundereachcardthereisataskforyoutofinish.Chooseanyofthemandfinishthetask.Afteryoufinishallthetasks,thereisabigsurpriseforyou!,Its_(舒服的)tositinit.,Its_(不舒服的)tositonit.,comfortable,uncomfortable,Theboyisnotverystrong,forheisalways_insports.A.inactiveB.active,A,notdirect_notkind_notpossible_,indirect,unkind,impossible,unusual,Thesnowissoheavy.Itis_toseesuchheavysnow.Thatis,thesnowismuchheavierthanusual.,Thisisntanimportantthing.=,Thisisan_thing.,unimportant,Itisimcorrecttoreadsomeoneelsesletter.2.Davidoftensaysbadwordstoothers,soheisinwelcome.3.Itsinfriendlytothrowstonesatbirds.,incorrect,unwelcome,unfriendly,Correctthemistakes:,Canyouremembertherules?,Wecanadd_(before/after)anadjectivetoexpresstheoppositemeaning.,“un-”,“in-”,“im-”,before,Workouttherule!,1._是最常用的否定前缀。2.否定前缀_常用在以字母c开头的单词前，3.否定前缀_常用在以字母p开头的单词前。,“un-”,“in-”,“im-”,从来都不会用在以字母l、r开头的单词前。,、b、m,Summary,1.Formostoftheadjectives,weadd“un-”tomakeitopposite.unkind,unhappy,unlucky2.Iftheadjectivebeginswith“p”,weusuallyadd“im-”beforeit.impossible,impolite3.Someadjectivesarespe