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1、Unit 5 Theme parksbasketballvFree-fall ridesmerry-go-roundmerry-go-roundHow are they formed?basketballvFree-fall rides1.合成(Compounding)由两个或更多的词合成一个词,有的用连字符号”-”连接,有的直接连写 在一起,或由两个分开的词构成.eg:English-speaking 讲英语的 weekend 周末 whitewash 粉刷 downpour 倾盆大雨 mother-in-law 岳母 Discovering useful structure(page36)
2、Lets fill in the forms of Part 2 with the correct words.(Divide the whole class into two groups.)CompetitionPk Butterfly downtown Football hardworking Icecream kindhearted Laptop lifesized Watermeleon worthwhile Wornout northeastern Earthquake mobilephone Mankind headline Easygoing homeland passerby
3、 eggplant amusementathletic adj.运动员vathlete运动的equipmentunfriendlyHow are they formed?amusementathleticequipmentunfriendly1)前缀(prefix)e.g.un-(不,或做相反动作)unhappy unable unfriendly im-(不)impossible impolite re-(重新)retell rewrite mis-(错误的)misunderstand dis-(不)disagree dislike 2.派生(Derivation)由一个词根加上前缀或后缀构
4、成另一个词.PkThink of as many words made up by adding prefix as possible!(Divide the whole class into two groups.)2)后缀(suffix)名词后缀-or actor sailor-ist scientist-ment achievement movement-(a)tion preparation exception-y difficulty discovery形容词后缀-ful useful cheerful-able comfortable enjoyable-ed manned cul
5、tured-less careless fearless-ive active decisive-an European Indian动词后缀-ize realize modernize-en widen strengthen副词后缀-ly really extremely-ward backward eastward数词后缀-teen fourteen fifteen-ty forty fifty-th ninth twelfthDiscovering useful structure(page37)Lets fill in the forms of Part 3 and Part 4 wi
6、th the correct words.3.Write out the original words.unchangeable adj _ dislike v _ impossibility n _ unfriendly adj_overwork v _ misunderstanding n _athletic adj_ misread v _translator n _ changelike possiblefriendlook understandathletereadtranslate4.Fill the table with the different forms of the wo
7、rds.Noun verb Adjective Adverbamusement amuse amusing amusinglyadmitimaginesettleequipattractadmission admissible admissiblyimagination imaginative imaginativelysettlement settledequipment equippedattraction attractive attractivelyPkThink of as many words made up by adding suffix as possible!(Divide
8、 the whole class into two groups.)vdrinkvdrinkvchairvChair the meetingHow are they formed?drinkchair转化法（Conversion）v 转化法是英语形成新词的重要方法之一。各种词类之间经常互相转化,致使一个词往往可以用作几种词类。在英语的词类转化上,数量最多的当属动词和名词的相互转化。此外,其它词类之间也可相互转化,有一词多义的现象。tasten.味道v.尝起来It has a good taste.It tastes very good.bookn.书籍v.记载record n.记录v.记录Th
9、is book is very good.He is booking the history.He broke the record.He lies to record something while reading a book.cleanadj.干净v.清扫Please keep tidy and clean.You have to clean the blackboard after class.ve.g.总结：英语构词法(Word Formation)掌握一些英语构词法，对单词的记忆和理解有很大的帮助，常用的构词法:1.合成(Compounding)2.派生(Derivation)3.
10、转化(Conversion)1.He was one of the best _ in yesterdays football match.(play)2.Look!How _ Kate is laughing!(happy)3.It snowed _ last night and now the streets are covered with snow.(heavy)4.Edison was a great _.During his life he had many _.(invent)players happily heavily inventor inventions 构词法精练 Us
11、e the appropriate form of the words to fill in the blanks.Homework5.More and more _ have come to visit China over these years.（foreign）6.We want _ reasons for your failure to help.(satisfy)7.Please give me some reference work.It will _ my task.(simple)8.The boy had the _ of being half starved.(appea
12、r)9.The police have _ a plot against the President.(cover)10.The doctor said that Marys mother needed an _.(operate)foreigners satisfactory simplify appearance uncovered operation 11.She hoped that her son would become a _.(music)12.Few _ words made us excited.(speak)13.The days on the moon get hott
13、er than _ water.(boil)14.Thank you for your _.(kind)15.Many college students work while they are studying because they want to make some money for their college _.(expensive)16.Most international _ letters are written in English,too.(busy)musician spoken boiling kindness expenses business 17.The boy
14、 noticed an _ mistake on his paper,but he decided not to say anything about it.(correct)18.When in Rome,do as the _ do.(Rome)19.The teacher was pleased with her _.(honest)20.The mother didnt know why her daughter was crying _.(noise)uncorrected Romans honesty noisily 1.Go over the new words and expressions.2.Write down the story you made up in the class.(words:80-120)