1、单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,Word formation,前缀,(prefix):,改变词义,有个别可以改变词性,.,后缀,(suffix):,改变词性,.,1.,转化法,(conversion),2.,合成法,(composition),3.,缩略法,(shorting),4.,派生法,(affixation),构词法,用来表示反义词的前缀,un-,dis,-in-,im,ir,-,il,-non-,mis,-,给下列单词加上前缀,:,agree,happy,polite,forgettable,logical,stop,depe
2、ndent,lead,regular,possible,able,formal,understand,smoker,legal,responsible,用来表示反义词的前缀,un-,unhappy,unforgettable,dis,-,disagree,disable,in-,independent,informal,im,-,impossible,impolite,ir,-,irregular,irresponsible,il,-,illegal,illogical,non-,non-smoker,non-stop,mis,-,mislead,misunderstand,注意以下单词,un
3、derstand,under,discuss,distance,inside,introduce,import,important,miss,mister,以上单词不表示否定含义,.,常见的表示其他意义的前缀,auto-,automatic(,自动的,),automobile(,汽车,),re-,repeat,rebuild,fore-,foretell,forehead,self-,self-service,self-confident,mini-,minibus,miniskirt,super-,superstar,supermarket,tele,-,telescope,telephon
4、e,up-,upside,upstairs,en-,encourage,endanger,给以下后缀归类,-,er,-or,-,ful,-,ize,-ship,-hood,-an,-less,-,ly,-,ist,-,ous,-ism,-,ish,-en,-ness,-,ible,-,ment,-,ent,-wise,-,ance,-ed,-,tion,-age,-,ify,-,ee,-,ess,-y,-al,n.adj.v.adv.,n.-,er,-or,-ship,-hood,-,ist,-ism,-ness,-,ment,-,ance,-,tion,-age,-,ee,-,ess,adj
5、ful,-an,-less,-,ous,-,ish,-,ible,-,ent,-ed,-y,-al,v.-,ize,-en,-,ify,adv.-,ly,-wise,Practice,一用所给单词的适当形式填空,Model:The news filled them with,.(proud),We were filled with,when we heard all the villagers had been killed by the enemy.(angry),2.The success of our experiment is a great _,to us all.(satis
6、fy),3.Scientists have,in sending the sixth satellite into space.(success),4.The singer gave a,smile to all those who came to greet him.(friend),5.We must do the experiment,(care).,pride,anger,satis,-,succeeded,friendly,carefully,faction,6.It will be,to drive a motorcar through such a storm.(difficul
7、ty),7.English is,used in the world.(wide),In time of,mans brains work much faster than normal.(dangerous),9.“You are quite,”the teacher said.(mistake),10.The boy showed great,in fighting the enemy.(brave),difficult,widely,danger,mistaken,bravery,11.He was so,that he gave me many,color pens.(kindness),12.The book has been,out when I got to,the bookstore.(sale),13.Dont be afraid of,.(difficult),14.Who carried the boy to,?(safe),15.The Frenchman went to a _ shop,to get some medicine for his cough.,(chemical),kind,sold,difficulty,safety,chemist,
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