高中英语Unit5Themeparks课件2

1、高中英语Unit5Themeparks课件2Unit 5 Theme parks高中英语Unit5Themeparks课件2basketball高中英语Unit5Themeparks课件2vFree-fall rides高中英语Unit5Themeparks课件2merry-go-round高中英语Unit5Themeparks课件2merry-go-roundHow are they formed?basketballvFree-fall rides高中英语Unit5Themeparks课件21. 合成合成(Compounding)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,有的用

2、连字符号有的用连字符号”-”连连接接,有的直接连写有的直接连写 在一起在一起,或或由两个分开的词构成由两个分开的词构成.eg: English-speaking 讲英语的讲英语的 weekend 周末周末 whitewash 粉刷粉刷 downpour 倾盆大雨倾盆大雨 mother-in-law 岳母岳母 高中英语Unit5Themeparks课件2Discovering useful structure (page36) Lets fill in the forms of Part 2 with the correct words. (Divide the whole class into

3、 two groups.)Competition高中英语Unit5Themeparks课件2Butterfly downtown Football hardworkingIcecream kindheartedLaptop lifesizedWatermeleon worthwhile Wornout northeastern Earthquake mobilephoneMankind headlineEasygoing homeland passerby eggplant 高中英语Unit5Themeparks课件2amusement高中英语Unit5Themeparks课件2athleti

4、c adj.运动员运动员vathlete运动的运动的高中英语Unit5Themeparks课件2equipment高中英语Unit5Themeparks课件2unfriendly高中英语Unit5Themeparks课件2How are they formed?amusementathleticequipmentunfriendly高中英语Unit5Themeparks课件21)前缀前缀(prefix)e.g. un-(不不,或做相反动作或做相反动作) unhappy unable unfriendly im-(不不) impossible impolite re-(重新重新) retell

5、rewrite mis-(错误的错误的) misunderstand dis- (不不) disagree dislike 2.派生派生(Derivation) 由一个词根加上前缀或后缀构成另一个词由一个词根加上前缀或后缀构成另一个词.高中英语Unit5Themeparks课件2Think of as many words made up by adding prefix as possible! (Divide the whole class into two groups.)高中英语Unit5Themeparks课件22)后缀后缀(suffix) 名词后缀名词后缀-or actor sai

6、lor-ist scientist -ment achievement movement-(a)tion preparation exception-y difficulty discovery高中英语Unit5Themeparks课件2形容词后缀形容词后缀-ful useful cheerful-able comfortable enjoyable-ed manned cultured-less careless fearless-ive active decisive-an European Indian动词后缀动词后缀-ize realize modernize-en widen str

7、engthen高中英语Unit5Themeparks课件2副词后缀副词后缀-ly really extremely-ward backward eastward数词后缀数词后缀-teen fourteen fifteen-ty forty fifty-th ninth twelfth高中英语Unit5Themeparks课件2Discovering useful structure (page37) Lets fill in the forms of Part 3 and Part 4 with the correct words. 高中英语Unit5Themeparks课件23. Write

8、 out the original words.unchangeable adj _ dislike v _ impossibility n _ unfriendly adj_overwork v _ misunderstanding n _athletic adj_ misread v _translator n _ changelike possiblefriendlook understandathletereadtranslate高中英语Unit5Themeparks课件24. Fill the table with the different forms of the words.N

9、ounverbAdjectiveAdverbamusementamuseamusingamusinglyadmitimaginesettleequipattractadmissionadmissibleadmissiblyimaginationimaginative imaginativelysettlementsettledequipmentequippedattractionattractiveattractively高中英语Unit5Themeparks课件2Think of as many words made up by adding suffix as possible! (Div

10、ide the whole class into two groups.)高中英语Unit5Themeparks课件2vdrink高中英语Unit5Themeparks课件2vdrink高中英语Unit5Themeparks课件2vchair高中英语Unit5Themeparks课件2vChair the meeting高中英语Unit5Themeparks课件2How are they formed?drinkchair高中英语Unit5Themeparks课件2转化法（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

11、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 。 高中英语Unit5Themeparks课件2tasten. n. 味道味道v.v.尝起来尝起来It has a good taste.It tastes very good.bookn.n.书籍书籍v.v.记载记载record n.n.记录记录v. v. 记录记录This book is very good.He is booking the history.He broke the record.He lies to record something while read

12、ing a book.cleanadj. adj. 干净干净v.v.清扫清扫Please keep tidy and clean.You have to clean the blackboard after class.ve.g.高中英语Unit5Themeparks课件2总结：英语构词法总结：英语构词法(Word Formation) 掌握一些英语构词法，对单词的记忆掌握一些英语构词法，对单词的记忆和理解有很大的帮助，常用的构词法和理解有很大的帮助，常用的构词法: 1. 合成合成(Compounding) 2. 派生派生(Derivation) 3.转化转化(Conversion)高中英语U

13、nit5Themeparks课件21. 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 invent

14、ions 构词法精练构词法精练 Use the appropriate form of the words to fill in the blanks.Homework高中英语Unit5Themeparks课件25. 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

15、. The boy had the _ of being half starved. (appear)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 高中英语Unit5Themeparks课件211. She hoped that her son would become a _.

16、(music)12. Few _ words made us excited. (speak)13. The days on the moon get hotter 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 高中英语Unit5Themeparks课件217. The boy noticed an _ mist