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1、八年级上册,4,Module,Unit 3 Language in use,Planes, ships and trains,The Comparative Superlative Degrees of Adjectives & Adverbs,总 结,形容词和副词 比较级和最高级,late later - latest,early earlier earliest,big bigger- biggest,fluently/difficult more, most,重读闭音节、末尾只有一个 辅音字母双写加 er 或 est,单音节词在词尾比较级加- er或最高级加- est,以e结尾的词，只需
2、加r 或st,以辅音字母加 y 结尾双音节词变 y 为 i 加 er 或 est,部分双音节和多音节词在原级前加 more 或 most,少数以er,ow 结尾的双音节词加-er -est,tall taller- tallest,clever cleverer-cleverest,cheap, cold, small, warm, young, high,fine, nice, safe,happy, busy, dirty, easy, lazy, pretty,fat, hot, red, thin, wet, sad,narrow, yellow,quickly, slowly, us
3、eful, tired, popular, modern,形容词和副词比较级和最高级构成 (规则变化),不规则变化,good / well better - best,much / many more - mostbad / badly / ill worse worstlittle less leastfar farther/ further farthest furthestold older/ elder oldest / eldest,形容词和副词比较级的用法,1.Who runs faster, he or she?,2.He runs faster than she.,3.He r
4、uns much faster than she.,4.He becomes healthier and healthier.,5.The more you exercise, the healthier you will be.,6.She is less healthy than he.,1.表示两者之间的选择,可用“Which/Who + 比较，or?”.,2.表示两者之间的比较，通常用连词 than 引导，表示“更一些”,3.much/far/a lot, even ,still ,a little/a bit 修饰比较级,表示程度.,Who runs faster, he or sh
5、e?,He runs faster than she.,He runs much faster than she.,4. “比较级+and+比较级”表示“越来越”,5. “the+比较级 , the + 比较级”表示“ 越, 越 ”,6. 表示不及另一方时，用“less+原级+than”(双音节和多音节词),He becomes healthier and healthier.,The more you exercise, the healthier you will be.,She is less healthy than he.,He is healthier than she.,Shan
6、ghai is becoming more and more modern.,1.比较级 + and +比较级 越来越 2.the+比较级 , the + 比较级 越, 越 ,3._you are, _mistakes youwill make. (你越仔细，做错的题目就越少） 4. _you eat, _youll be. (你吃得越多,就越胖) 5. Alice writes well. Mary writes _ than she. (甚至更好）,The more careful,the fewer,The more,the fatter,1.The girl becomes _. (越
7、来越漂亮）,more and more beautiful,2. The weather is getting _. (越来越槽糕）,worse and worse,even / still better,1.表示三者或三者以上比较,可用”Which/Who +最高级,or ?”表示.,2. 最高级+of/among (同类比较) in (范围比较),4.one of +,形容词最高级,+名词复数表示“最 之一”,3. 序数词修饰最高级,形容词和副词的最高级的用法,Who is the tallest, Tom , Mike , or Jack?,Tom is the tallest of t
8、he three.,Mike is the second tallest student in our class.,Jack is one of the tallest students in our class.,Tom runs (the) fastest in our class.,plays/ sings/ acts/ runsone of the actors/runnersthe second / the third,Talk show,Yao Ming 2.26m Jacken Chen 1.71m,Jay 1.73m Liu Xiang 1.88m,3. Lin Tao is
9、 _ in the class because he never gets to school on time. （最懒的学生之一） 4. Edison was_in the world. (最伟大的发明家之一）,one of the laziest students,one of the greatest inventors,The Yangtze River is_ river in the world. (第三长河）,the third longest,2. The Atlantic is _ ocean in the world. ( 第二大洋）,the second biggest,
10、Exercise:,一、翻译句子：,二、同义句转换,1. Flat A is more expensive than Flat BFlat B is _ _ than Flat A.Flat B is _ _ Flat A.Flat B is not _ _ _ Flat A.,2. I prefer maths to English.I like maths _ English.,better than,3.He is the tallest student in the class.He is _ in the class.,taller than any other student,an
11、y other + 名词单数,less,expensive,cheaper,than,as,expensive,as,1.Hainan is a very large Island .It is thesecond _ island in china. (large) 2.Our teacher is as _ as before. (busy). 3.He is _ among us. (careful) 4.Li Lei jumped far _ than Jim.(far) 5.The busier he is, the _ he feels.(happy) 6.I think Yao
12、Ming is one of _ basketball players in NBA. (hot),busy,the most careful,farther,happier,largest,the hottest,三、完成句子,Language practiceIts the most comfortable way, but its also the most expensive. He lives the farthest from school. It is the fastest and the second cheapest. The more information, the b
13、etter.,1 Complete the sentences with the correct form of the words in brackets.1 This bus takes the (long) time because it is the _(slow).2 The new train travels the (fast) of all the trains in the world.3 The (cheap) way to get there is by coach.4 I am in a hurry. What is the (fast) way to get ther
14、e?5 The fastest way to travel is by plane, but it is also the _(expensive).,longest,slowest,fastest,cheapest,fastest,most expensive,a) By plane, but you have to go to the airport by taxi and that takes time too. b) The cheapest way is going by coach, but it is not very comfortable. c) The most comfortable way is going by train, but it takes more time than going by plane. d) There are three ways: by plane, by train and by coach.,
