Lets review,The dog is bigger than the mouse,The boy is younger than the girl.,Li Lei is taller than Tom.,Conclusion,A + be + 比较级 + than +B,形容词比较级句式的结构：,The mouse is shorter than the duck .,The duck is taller than the mouse .,Tom is younger than Nick.,Tom,Nick,Nick is older than Tom.,A book is smaller than B book .,A,B,B book is bigger than A book .,Which is bigger, the pig or the elephant?,( ),( ),The elephant is bigger.,Which is taller, the giraffe or the dog ?,( ),( ),The giraffe is taller.,Which is faster, the tiger or the dog?,( ),( ),The tiger is faster.,Her sweater is as red as an apple.,asas,asas,The giraffe is as tall as the tree.,Unit 10 Did you know?,形容词的最高级,形容词比较级一般用在比较两个事物的时候。,形容词最高级 就是在比较的时候，某一事物具有某方面最典型的特征。,注意哦！,比较级：用于两者比较。 最高级：用于三者或三者以上比较。最高级前面要有thethe形容词最高级,1. 一般在形容词末尾加 est。 如：short-shortest2. 以e结尾的，直接加st 。 如：fine-finest 3. 双写最后一个字母，再加 est。 如：big-biggest 4. 以辅音加y结尾的，把y变i，加est。 如：happy-happiest,形容词最高级的构成方法：,the 形容词最高级,Lets read,tallest shortestoldest youngestfattest thinnestbiggest smallest,fine,finer,finest,thin,thinner,thinnest,hot,hotter,hottest,easy,easier,easiest,happy,happier,happiest,Lets read,tall- taller the tallest short -shorter the shortest old older- the oldest young -younger the youngest fast - fasterthe fastest slow-slowerthe slowest,beautiful-more beautiful-the most beautiful,careful-more careful-the most careful,difficult-more difficult-the most difficult,三音节词比较级： 前面加“ more” 三音节词最高级： 前面加“ the most”,二、不规则形容词的比较级最高级,注：older 一般指年龄大小； My father is older than my mother.elder指长幼关系(一般修饰名词作定语); My elder brother is a driver. farther指距离更远； further指抽像的. I want to study English further.further reading,big bigger the biggest,Apple A Apple B Apple C,long,longer,the longest,fast,faster,the fastest,slow,slower,the slowest,fast,faster,fastest,The tiger is the fastest.,Jim is strong.Li Lei is . Tom is .,stronger,the strongest,Exercise,Whats the smallest in the picture ?,( ),( ),( ),The ant is the smallest .,What s the biggest in the picture ?,( ),( ),( ),The whale is the biggest .,Conclusion,The horse is the biggest of all. The baby is the youngest of the three. The brown coat is the cheapest. Jim is the tallest in our class.,主语 + be + the + 最高级 + of / in,形容词最高级句式的结构：,The giraffe is the tallest land animal. It is 5.5 metres tall.,The tallest man in China is 2.36 metres tall.,The fastest plane is in the USA. It travels at 3,530 km per hour.,The biggest animal is the blue whale. It is 30 metres long and 150 tons.,The biggest plants are trees.,The fastest car is in Britain. It travels at 1,020 km per hour.,The fastest fish is the sailfish. It can travel at 100 km per hour.,The shortest woman in China was 79cm tall when she was 19.,cmcentimetre厘米,The Great Wall is the longest wall in the world. It is 6,350 km long.,The highest mountain is the Mount Everest.,Mount Everest (珠穆朗玛峰）,Australia (澳大利亚）,The boat is in Australia.It travels at 556km per hour.,fastest,The tallest snowman was 22 metres.,The longest river is the Nile. It is 6,673 km long.,Part 8 pair work: Ask and answer,Which dress is longer?,The red dress is longer.,Which dress is the longest of the three?,The green is the longest of the three.,Jim,Li Lei,Tom,Li Lei is taller than Tom.,Jim is the tallest of all.,The car is fast .,The train is faster than the car .,The plane is the fastest of the three .,The dog is bigger than the mouse.,The horse is the biggest of all.,The boy is younger than the man.,The baby is the youngest of the three.,big,bigger,biggest,young younger,youngest,The blue car is nice.The red car the blue car. (红车比蓝车好看）The purple car of all. （紫色车最好看）,is nicer than,is the nicest,a basement,a balcony,a shoulder,moustache,a coat,a lift,姚明,迈克乔丹,奥尼尔,贝克汉姆,226cm,198cm,216cm,183cm,cmcentimetre 厘米,形容词的原形，比较级和最高级：,