高中英语Unit5ThemeparksPPT课件2

1、unit 5 theme parksbasketballvfree-fall ridesmerry-go-roundmerry-go-roundhow are they formed?basketballvfree-fall rides1. 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

2、盆大雨 mother-in-law 岳母岳母 discovering useful structure (page36) lets fill in the forms of part 2 with the correct words. (divide the whole class into two groups.)competitionbutterfly downtown football hardworkingicecream kindheartedlaptop lifesizedwatermeleon worthwhile wornout northeastern earthquake

3、mobilephonemankind headlineeasygoing homeland passerby eggplant amusementathletic adj.运动员运动员vathlete运动的运动的equipmentunfriendlyhow are they formed?amusementathleticequipmentunfriendly1)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 rewrite

4、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.think of as many words made up by adding prefix as possible! (divide the whole class into two groups.)2)后缀后缀(suffix) 名词后缀名词后缀-or actor sailor-ist scientist -ment achievement movement-(a)tion

5、 preparation exception-y difficulty discovery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 strengthen副词后缀副词后缀-ly really extremely-ward backward eastward数词后缀数词后缀-teen fo

6、urteen fifteen-ty forty fifty-th ninth twelfthdiscovering useful structure (page37) lets fill in the forms of part 3 and part 4 with the correct words. 3. write out the original words.unchangeable adj _ dislike v _ impossibility n _ unfriendly adj_overwork v _ misunderstanding n _athletic adj_ misre

7、ad v _translator n _ changelike possiblefriendlook understandathletereadtranslate4. fill the table with the different forms of the words.nounverbadjectiveadverbamusementamuseamusingamusinglyadmitimaginesettleequipattractadmissionadmissibleadmissiblyimaginationimaginative imaginativelysettlementsettl

8、edequipmentequippedattractionattractiveattractivelythink of as many words made up by adding suffix as possible! (divide the whole class into two groups.)vdrinkvdrinkvchairvchair the meetinghow are they formed?drinkchair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词类。在英语的词类转化上 ,数量

9、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.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 reading a book.cleanadj. adj. 干净干净v.v.清扫清扫p

10、lease keep tidy and clean.you have to clean the blackboard after class.ve.g.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)1. he was one of the best _ in yesterdays football match. (play)2.

11、 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 构词法精练构词法精练 use the appropriate form of the words to fill in the blanks.homewor

12、k5. 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. (appear)9. the police have _ a plot against the president. (co

13、ver)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 hotter than _ water. (boil)14. thank you for your _

14、. (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 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 please