九年级公开课---构词法

1、Welcome to my class !,九（2）班 陈前岳,If you meet the new words while reading, what will you do ?,Its not always necessary to understand the meaning of every word, just go on reading!,Guess the meaning!,How ?,When we deal with the problems in reading comprehension, we can use Word Formation to help us, bu

2、t the context(上下文，语境) is also very important.,1. I will not make friends with a dishonest person. 2. When the little boy finished, his father was speechless. 3. A bad-looking pickpocket stole my wallet.,根据构词法猜词,首先要熟悉基本的构词法及其规律, 其次要掌握一定的词根和词缀。如:un-, im-, mis-, -less, -ness等。,dis+honest 不诚实的,speech+le

3、ss 说不出话的,pick+pocket 扒手,构词法 (Word Formation) Take an interesting example,2017中考考英语总复习,class school room desk play work team soul,mate,班级,学校,房间,书桌,玩,工作,队；组,灵魂；心灵,伙伴；同事；配偶,+,classmate schoolmate roommate deskmate playmate workmate teammate soulmate,同学,校友,室友,同桌,玩伴,同事,队友,知音,构词法-Word Formation,Compoundin

4、g-合成法 space+ship spaceship,Derivation-派生法 ableunable,Conversion-转化法 Water(n)water(v),Abbreviation 简缩写Do it yourself=DIY,1.Compounding-合成法,由两个或两个以上的词合成一个新词,classroom blackboard,worldwide good-looking,overcome fifty-four,everybody downstairs,黑板,全世界的,战胜,每人,教室,好看的,五十四,楼下的,Guess the meaning of the compou

5、nding words,snowman green house washing machine black tea white lie kind-hearted firefly hide-and-seek,雪人,温室,洗衣机,红茶,善意的谎言,好心的,萤火虫,捉迷藏,派生法-Derivation,在一个单词前面或后面加上一个 词缀构成新词。,前缀prefix un- dis- re-,词缀（affix）,后缀suffix -or/er -y -ful -less,un,un-不、非、表示否定,happy,un,friendly,不开心的,不友好地,dis-不、非、表示否定,dis,like,a

6、gree,write,use,re,re,dis,re-又、再、重新,前缀-prefix,不喜欢,不同意,重写,重新使用,or,-or/er 从事某种职业的人,act,er,teach,演员,教师,-y 表性质，形容词后缀,y,health,cloud,real,friend,ly,ly,y,-ly 形容词或副词后缀,后缀-suffix,健康的,多云的，阴天的,真实地,友好的,Derivation: 1) 前缀: (1) agree- like- appear- (2) correct-incorrect, possible- impossible, regular-irregular, (3

7、) happy-unhappy, able-unable,fit-unfit, (4) stop-nonstop, verbal(语言的）-nonverbal (非语言的) (5) write -rewrite, view-review,disagree,dislike,disappear,ful,-ful 充满，形容词后缀,color,ful,success,富有色彩的,成功的,-less 没有、无，形容词后缀,less,home,hope,less,后缀-suffix,无家可归的,没有希望的， 绝望的,2) 后缀: (1) 构成名词： (2) 构成形容词: (3) 构成动词: (4) 构成

8、副词: (5) 构成数词:,-er, -ese, -ist, -ian, -ment, -tion, -ness, -th.,-al, -an, -ful, -ing, -y, -less,-fy, -is (z)e: beautify, realize,-ly: badly,-teen, -ty, -th thirteen, sixty, twelfth,fifth,3. Write out the original words.,unchangeable adj. _ dislike v. _ impossibility n. _ unfriendly adj._ overwork v.

9、_ misunderstanding n. _ athletic adj._ misread v. _ translator n. _,change,like,possible,friend,work,understand,athlete,read,translate,转化法（Conversion）,It has a good taste.,It tastes very good.,water,n.水,v. 浇水,have some water.,water the flowers,一个单词由一种词类转换为另一种词类。,6/24/2020,18,1）名词动词,rain n.雨 rain v.下

10、雨 Shop n. 商店shop v.购物 Land n.陆地 land v.着陆,2）形容词动词,last adj.最后的 last v.持续,own adj.自己的 own v.拥有,3）形容词名词,back adj.后面的 back n.背部，后面,light adj.明亮的 light n.灯,4)动词名词,stop v.停止 stop n车站,lift v.举起 lift n.电梯,telephone-,简写和缩写,airplane-,WC-,CCTV-,UFO-,phone 电话,plane 飞机,water closet,China Central Television,unidentified flying object,写出下列简写或缩写形式,Write down the abbrevations,examination考试,exam,photography照片,photo,laboratory实验室,lab,television电视,TV,tooth,toothy,toothed,toothache,toothbrush,toothpick,tooth wash,toothless,toothpaste,牙疼,露出牙齿的,牙齿,牙刷,牙签,牙膏,无齿的,有齿的 、锯齿的,洗牙,运用构词法猜测词义,sunflow