初中英语单词后缀.ppt

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1、初中英语单词后缀常青初中陈小飞初中英语单词后缀同学们，今天我们讲动词和形容词后缀，它们的变化形式很多，我们八年级上册第五和第六单元主要讲后缀ing,ness,ion.er,or,ist这六种方式。初中英语单词后缀一．首先我们来看到目前为止有哪些词是加ing的如：begin–beginningshop-shoppingswim–swimmingfeel-feelingmeet-meetingdance–dancing从这些变化中可以看出，我们可以把它们分为三种变化形式：1.直接加ing。Feeling,meeting

2、,meaning,hunting,selling,singing,teaching,campingsleepingsurfingcrossingpainting等。2.去e加ing.如:dance—dancingskate--skating等。3.双写加ingshoppingbeginningswimming等下面我们来看练习：Heisgoodat______(hunt)Whatisthe_______(mean)oftheword?Atthe______(begin)ofthe21stcentury,manyyo

3、ungpeoplelikedwearingjeans.二．后缀ness.我们可以分为两种形式。1.直接加ness.sicknesskindnessdarknessillnesstirednessgoodness2.改y为i加nesshappy—happinessfriendly--friendliness下面我们来看练习：Lucycannotgotoschoolbecauseof_______(sick)Hewasafraidbecauseof_______(dark)Smokingwillmakehis_____

4、_(ill)worseifhedoesn’tstopsmoking.三．后缀ion.我们也可以分为三类。1.直接加ion.collectiondiscussionaction2.去e加ation或ioninvite--invitationcongratulate—congratulationcelebrate–celebrationorganize—organizationeducate--education3.特殊的decide-decision下面我们来看练习：Manywildanimalsneedsour__

5、____(protect)Wehopeyoucanacceptour_______(invite)andjoinus.It’sourturntotakesome_______(act)tohelptheanimals四．后缀er或r表示某种职业或地区的人.learnerhelperkillerdancersingerhidersharperworkerspeakerreporterplayerdriverteacherThe_______(write)ofthegreatbookisMarkTwain.Whered

6、idyougoyesterday?Iwenttoseea_______becauseIhadacold.The_______(说话人)overthereismyuncle五。后缀or表示…者collectorinventoractorvisitordirectorSome_______(invent)havelargeinventions.Therearealotof______(act)actingintheplayground.Moreandmoreforeign______(visit)cometoChina

7、foravisit.六．后缀ist表示…学家…学者science-scientistpiano-pianist(钢琴演奏家)tour-touristart-artistTherearealotof____(tour)visitingNanjingeveryyear.Isaw_______(art)drawingsomepicturescarefully.下面我们来看练习：1.Birdsare（1）_____(sing).Theycanmakebeautifulsounds.Some（2）(act)canmakedi

8、fferentbirdsounds.Itisveryinteresting.Alotof(3)(tour)gotothewetlandstowatchthebirdseveryyear.Therearemany(4)(visit)atbirdshowstoo.Some(5)(art)liketopaintbirds.Thebirdsintheirpictur