外研版八年级英语上册形容词、副词的比较级和最高级课件

这是一份外研版八年级英语上册形容词、副词的比较级和最高级课件，共52页。
形容词、副词比较等级比较等级分类原级比较级最高级原级1.接形容词、副词原级的词：very，too，so，quite，enough2.as...as...：和……一样 (as与as之间用原级)3.not as...as...：不如……= not so...as...注意：(so...as...只能用于否定句)They speak English just as________as native speakers do.A．good B．better C．wellC例1比较级1.用法：用于比较两个事物，标志词为than。句型：主语＋be动词＋比较级＋than＋宾语eg：He is shorter than me.比较级2.比较级变化单音节词和少数双音节词①一般情况下，在词尾加er 练习：tall old small②以e结尾的词，直接加r 练习：large wide fine比较级③以重读闭音节，辅-元-辅结尾，双写尾字母，加er 练习：big thin hot④以辅音字母＋y结尾的词，把y变i，加er练习：busy easy dry比较级部分双音节词和多音节词，前加more练习：beautiful carefuldangerous deliciousDo you think maths is ________ than English？　　　　　　　　　　　　A．difficult B．as difficult C．more difficult D．difficultlyC例2比较级不规则变化口诀：合二为一共三对，坏病两多和两好一分为二有两对，一是远来二是老还有一词含义多，只记少来不记小—The cake looks________.—Yes，and it tastes even________.A．well; good B．nice; betterC．good; worse D．better; worseB例3比较级3.修饰比较级的词：much，far，a lot，a bit，a little，even(口诀：三多两少一甚至)As we all know，light travels________sound.A．as fast as　　　　B．a little slower thanC．much faster than D．slower thanC例4—Dad，how can I get on well with my classmates?—Try to be friendly to them. That will make it much ________. A．easily B．more easily C．easy D．easierD例5Guo Yue did quite ________ at the World Table Tennis Championship，but Zhang Yining did even ________.A．better；well 　　 B．well；wellC．well；better 　　 D．better；betterC例6比较级4.比较级中的替代问题在比较级中，为了避免重复，常用that(单数)或those(复数)代替前面出现的名词。比较级可数名词单数和不可数名词用that代替翻译：哈尔滨的天气比北京冷。The weather in Harbin is colder than that in Beijing.复数名词用those代替翻译：第二小学的教师比第一小学的教师年轻。The teachers in No.2 Primary School are younger than those in No.1 Primary School.The students in Class 2 are better at English than ________in Class 1. A．this　　B．one C．that　　D．thoseD例7比较级5.用比较级表示最高级【同一范围内比较】比较级＋than＋any other＋可数名词单数【不同范围内比较】比较级＋than＋any＋可数名词单数比较级eg：New York is bigger than any other city in America.纽约比美国其他任何一个城市都要大。(纽约和美国的其他任何城市都在美国这个范围内)Shanghai is bigger than any city in Japan.上海比日本任何一个城市都要大。(上海和日本的城市不在一个国家的范围内)Sam is taller than ________ student in his class. A．other 　 B．any other C．any D．othersB例8比较级6.比较级句型①比较级＋and＋比较级：越来越……翻译：地球正变得越来越暖和。 The earth is getting warmer and warmer. 中国变得越来越强大。 China becomes stronger and stronger.If everyone pours less polluted water into Dianchi Lake，it will be________. A．deeper and deeper　B．cleaner and cleanerC．dirtier and dirtierD．wider and widerB例9比较级②the＋比较级，the＋比较级：越……，越……eg：The more she thought about it，the more depressed she felt. Friendship is like a bottle of wine. ______ it is kept，________it will be. A. The better; the longer B. The more; the betterC. The better; the more D. The longer; the betterD例10My brother is ________ than me. He makes people laugh a lot.　 A．funny B．funnier C．the funniestB例11Lingling comes home ________ than before this term. She doesn't have so many classes in the afternoon.A．early B．earlier C．late D．laterB例12The bag is very ________. Have you got a _____ one?A．bigger; big B．smaller; biggerC．smaller; big D．small; bigger D例13There will be _______ jobs for people because some robots will do the same jobs as people. A．many B．more C．fewer D．fewestC例14The population of Shanghai is ________ than________ Dalian. A．larger; in B．larger; that of C．much more; that of D．bigger; inB例15 Lily is ______than the other students in my class. A．popular B．more popular C．the most popularB例16Lily wrote ________ than Lucy did. A．much clearly B．much clearer C．much more careful D．much more carefullyD例17On snowy days，a driver must drive as ________ as possible. A．fast B．slowly C．wisely D．carefullyD例18 Lily was still very weak when she left hospital. But after a week’s rest, she felt much _____and went back to school. A．good B．better C．bad D．worseB例19 We should use ________ plastic bags to protect the environment. A．fewer B．more　 C．some　　 D．lessA例20最高级1.用法：用于三者或三者以上事物比较，后面通常用of/in来表示比较的范围（in加地点 of加群体）。eg：Jason is the tallest in our class. Jim lives the farthest from school of all my classmates.注意：形容词最高级前面必须加定冠词the；副词最高级前面可加可不加。eg：Lily is the best singer in our school. Tom lives farthest from here among us.最高级2.最高级变化单音节和少数双音节词①一般情况下，在词尾加est ②以e结尾的词，直接加st ③以重读闭音节，辅-元-辅结尾，双写尾字母，加est④以辅音字母＋y结尾的词，把y变i，加est最高级部分双音节词和多音节词，前加most不规则变化口诀：合二为一共三对，坏病两多和两好一分为二有两对，一是远来二是老还有一词含义多，只记少来不记小最高级最高级3.最高级句型①the + 序数词 + 最高级 + 名词单数翻译：黄河是中国的第二长河。The Yellow River is the second longest river in China. Nanjing isn’t so large ________ Shanghai, however, it’s the second ________ city in East China. A. like; largest　　 B. as; largestC. like; large D. as; large B例21②one of the +形容词的最高级+可数名词复数： 最……的……之一翻译：重庆是我们国家最大的城市之一。Chongqing is one of the biggest cities in our country.—It’s one of the ________ things in the world to stay with friends.—I agree. It always makes us relaxed. A. worst　B. happiest C. busiest D. hardestB例22Wembley Stadium(温布利大球场)is one of the ________ soccer fields of the world. It will be the place for soccer matches during the Olympics next week.A．famous　 B．more famous　 C．most famousC例23As we all know，the Yellow River is one of ______ rivers in our country.A. long　 B. longer C. longest D. the longestD例24 Qomolangma is about 8, 844 meters high. It is ________ mountain in the world. A．highest　 B．the highest　 C．higher　 D．the higherB例25 — Of the three TV programs，which one do you think is ________？ —I think A Bite of China is. A．interesting B．more interesting C．the most interestingC例26Of all the girls, Lily danced __________．She won first prize. A．good B．well C．best D．betterC例27Thank you