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1、Whats the strongest animal on the farm?,Section A,Topic 1,Unit 4 Our world,cow,horse,2.The horse is strong, too.,3.The horse is _ than the sheep.,stronger,1.The sheep is strong.,4. The cow is of these animals.,the strongest,small,The mouse is smaller than the hen.,The hen is smaller than the goose.,
2、The mouse is the smallest of all.,？,形容词的比较等级：,形容词有三个比较等级：（1）原级，即原形；（2）比较级，表示“较”或“更“；（3）最高级，表示“最” 1、表示两者的比较时用比较级。如:The goose is bigger than the hen. 鹅比鸡更大。2、表示三者或三者以上中“最”时，用最高级。如：Tom is the tallest in the class.汤姆是班里最高的。,The Yangtze River,The Yellow River,The Yangtze River is longer than the Yellow R
3、iver .,(long),The Yangtze River,The Yellow River,The Yangtze River is long than the Yellow River.,er,(long),The third apple is the biggest of three.,选词填空。,clever cleverer the cleverest 1. Jane is than Maria. 2. Maria is than Michael. 3.Jane is among these three students. 4.Michael is very .,practice
4、,short,shorter,shortest,仔细观察，找规律,long,longer,longest,单音节及部分双音节形容词比较级（- er）和最高级（- est）的规则变化。,1. 比较级一般在词尾直接加-er:最高级一般在词尾加-est Examples： 原级 比较级 最高级 shortshortershortest talltallertallest longlongerlongest,larger,large,largest,仔细观察，找规律,white,whiter,whitest,cute,cuter,cutest,单音节及部分双音节形容词比较级（- er）和最高级（- e
5、st）的规则变化。,2. 以不发音的e 结尾的形容词去e再加er/est: Examples：原级 比较级 最高级 largelargerlargest whitewhiterwhitest cutecutercutest,heavy,heaviest,heavier,仔细观察，找规律,.,busy,busier,busiest,work 10 hours,work 14 hours,work 16 hours,funny,funnier,funniest.,单音节及部分双音节形容词比较级（- er）和最高级（- est）的规则变化。,3. 以辅音字母加y结尾的形容词，把y改成i, 再加 er
6、/est: Examples： 原级 比较级 最高级 heavyhevierheaviest busybusierbusiest funnyfunnierfunniest,big,bigger,biggest,仔细观察，找规律,thin,thinner,thinnest,fat,fatter,fattest,单音节及部分双音节形容词比较级（- er）和最高级（- est）的规则变化。,4. 以重读闭音节结尾，且末尾只有一个辅音字母的单词，双写末尾的辅音字母，再加er/est : Examples： 原级 比较级 最高级 bigbiggerbiggest fatfatterfattest thi
7、nthinnerthinnest,big friendly nicehotwarmcoolearlyshortlateeasy,bigger biggest,nicer nicest,hotter hottest,warmer warmest,cooler coolest,earlier earliest,shorter shortest,later latest,friendlier friendliest,easier earliest,practice,tall,Tom,Harry,Tom is taller than Harry.,short,Harry is shorter than
8、 Tom.,形容词比较级的基本用法： 常用于“形容词比较级+ than” 结构,The sheep is bigger than the duck.,cow,horse,The cow is _than the horse. (lovely),The horse is _than the cow. (thin),lovelier,thinner,1.The rabbit is the cutest of animals. 2.The elephant is the strongest of the animals. 3. She is the youngest in the class. 4.
9、This book is the cheapest of these five books.,仔细观察,形容词最高级的基本用法: “the+形容词最高级+in/of/among 比较范围,1.Sheep is the strongest of these three animals. 2.Xiao Ming is the tallest in the class。,The pigs are _ of these three animals. (short),The cow is _of these three animals. (fat),the shortest,the fattest,1.
10、 -Whos _ basketball player in China now? Is it Yao Ming? -No. Its Sun Mingming.,A. tall B. taller C. tallest D.the tallest,2. . Which boy is _, Jim, Mike or Tom?,A. taller B. the most tall C. the tallest D. the taller,3. I can type(打字） _ than I can write by hand.,A. fast B. much faster C. fastest D.
11、the fastest,4. The price of this computer is the _ of the three.,A. smallest B. biggest C. highest D. tallest,5. Lilei is _ than any other _ in his class.,A. tall, students B. taller, students C. taller, student.,比较级+any other + 单数名词.“比其他任何都”.(暗指: 最高级),TEST,一 用所给词的正确形式填空,1 Tom is _ (thin) than Peter
12、. 2 The red pen is _ (short) than the blue one. 3 This box is _ (large) than that one. 4. Beijing is one of the _ (old)cities in China. 5. Mike is _(tall) than any other boys.,thinner,shorter,larger,oldest,taller,Watch the flash and then answer the queation:,（影片2）,Where does Wang Wei like to live be
13、tter, a countryside or a city?And why?,Summary,1. The comparative and superlative degrees of adjective. 形容词比较级，最高级的规则变化及用法。（-er/-est）,记忆口诀,比较级要变化，一般词尾加-er; 词尾若有哑音e， 直接加r就可以； 一辅重读闭音节，辅音字母要双写； 辅音字母加上y，要把y变成i； 最高级后加-est， 前面加the莫忘记。,Classwork,一、用括号内所给词的正确形式填空. 1.My house is (big) of all the houses. 2.The Yangtze River is (longest) river in China. 3.Is this box (heavy) than that one. 4.He is (good) student in our class. 5.This skirt is (nice) than that one. 6.Winter is the (cold) of the seasons.,Thanks for listening! Goodbye!,
