9AU4Studyskiils.ppt
9A U4 Study skills Exercises:1.unlucky2.peaceful3.disliked4.achievements5.valuable Un-and dis-are prefixes,and ful and ment are suffixes.Luck,peace,like,achieve and value are root wordsMore prefixes and suffixes常见的常见的前缀前缀前缀前缀:一般只引起一般只引起意思意思上的变化而不造成上的变化而不造成词类词类的变化，只有少数能引起词类的变化。的变化，只有少数能引起词类的变化。(A)表示表示否定否定的前缀：的前缀：un-unfair,unhappy non-nonsmoker (常用在常用在n.adj.adv.前前)in-inactive (常用在常用在adj.后后)dis-disagree,disappear,dislike im-impolite,impossible (用在用在b,p,m 开头的词前开头的词前)(B).表示表示错误错误或或失误失误的前缀的前缀:mis-misunderstand,misdirect(误导误导)(C)表示表示两个两个,双边双边的前缀：的前缀：bi-bicolor(双色的双色的),bicycle(D)表示表示相互相互,交互交互,在一起在一起的前缀的前缀(E)interinterview,international,internet(F)(E)表示表示又又,再再,重新重新的前缀的前缀(G)rereview,return,rewrite(H)(F)表示表示远远的前缀的前缀(I)tele telephone,television常见的常见的后缀后缀后缀后缀:一般只引起一般只引起词性词性上的变化而不造成上的变化而不造成意思意思的变化。的变化。1.动词变名词：-tion educate-education,invite-invitation,suggest-suggestion,protect-protection-ment development,improvement,achievement-er teacher,worker,runner,singer-or visitor,sailor,collector,actor2.形容词变名词形容词变名词-ness goodgoodness,happy-happiness,busy-business,careless-carelessness-ity able-ability,possible-possibility 3.名词变形容词：名词变形容词：-y:windy,rainy,healthy,cloudy,funny,sunny-ish:foolish,childish,girlish-some:handsome,troublesome-ous:dangerous,humorous-ful:helpful,careful,peaceful,colorful-less:homeless,helpless,careless,useless-ed:surprised,bored,excited,relaxed,interested -ing:surprising,boring,exciting,relaxing,interesting,-al:traditional,international,nature-natural4.名词、形容词变动词：名词、形容词变动词：-ify:beauty-beautify,simple-simplify-ize:realize-en:quicken,sharpen,widen名词后缀名词后缀补充补充:-ist(人人,名词后缀名词后缀)science-scientist,art-artist-ese(民族民族,语言语言,名词后缀名词后缀)Chinese,Japanese合成词合成词 :由两个或更多的词合成一个词。由两个或更多的词合成一个词。复合名词复合名词class+room=classroom(名词名词+名词名词)black+board=blackboard(形容词形容词+名词名词)复合形容词复合形容词warm+heart+ed=warmhearted 热心肠的热心肠的good+looking=good-looking 相貌好看的相貌好看的world+wide=worldwide世界性的世界性的hard+working=hard-working 努力工作的努力工作的 复合动词复合动词 over+come=overcome克服克服(副词副词+动词动词)复合数词复合数词 fifty+four=fifty-four复合代词复合代词 everyone,somebody,anything,nobody(不定代词不定代词+名词名词)复合副词复合副词down+stairs=downstairs在楼下在楼下(形容词形容词+名名词词)Guessing the meaningsMatch the words on the left with the meanings on the right(p.59)Guessing the Chinese meaningsKeys:1.竞争者，对手竞争者，对手 2.用电脑处理过的用电脑处理过的 3.印有抬头的信笺印有抬头的信笺 4.重做重做 5.写错地址的写错地址的 6.打乱打乱Homework1.Go over what youve learned in this unit.2.Prepare Task.
