《unit 7 food festivaltopic 3 i cooked the most succe课件》初中英语科普版八年级下册

,形容词的比较级和最高级,形容词的级 原级：即形容词的原形。 small, good, pretty, big, many 比较级：两个同类的人或物之间的比较。 smaller, better, taller, older, more 最高级：三个或三个以上同类的人或物之间的比较。 smallest, tallest, newest, best,单音节和少数多音节的形容词的比较级的变化：,双音节或多音节形容词的比较级：,1、一般是在原级前加more构成比较级，在原级前加most构成最高级。 beautiful more beautiful most beautiful interesting more interesting most interesting dangerous more dangerous most dangerous 2、某些单音节形容词，加more, most 构成比较级和最高级。 glad more glad most glad pleased more pleased most pleased tired more tired most tired,3、少数多音节形容词，特别是y和ow结尾的，在原级后加er 和est构成比较级和最高级。 happy happier happiest narrow narrower narrowest 4、有些双音节和单音节形容词，既可以加er或est构成比较级和最高级，也可以加more 和most构成比较级和最高级。 right clever free true lovely,不规则形容词的比较级和最高级： good / well better best bad / ill worse worst little less least many / much more most far farther / further farthest / furthest old older / elder oldest / eldest,说出下列形容词的比较级和最高级,strong long new brave late safe big fat thin thirsty heavy easy expensive interesting carefully quickly good/well bad/ill many/much little far,比较级的用法 （1）.than.,cow,horse,The cow is -than the horse. (lovely),The horse is _than the cow. (thin),lovelier/more lovely,thinner,In the countryside,The air is fresher.,The sky is bluer.,The sky is clearer.,In the city,The air is dirtier.,The sky is blacker.,In the countryside,In the city,Trees are greener.,Water is clearer.,Water is dirtier.,goose,duck,The duck is _than the goose. (ugly),The goose is _than the duck. (white),uglier,whiter,cat cats,dog,The cat is _than the dog. (small),The dog is _than the cat. (brave),smaller,braver,rabbit,mouse,The rabbit is _than the mouse. (lovely),The mouse is _than the rabbit. (ugly),lovelier,uglier,mice,hen,rooster,The hen is_ than the rooster. (fat),fatter,taller,The rabbit is _ of the three. (nice),The dog is _ of the three. (ugly),the nicest,the ugliest,(2)数量的比较,我的笔比你的多. I have more pens than you (do). 我喝的茶比他多 I drink more tea than he (does). 他吃的饭比我少. He has less rice than I (do). 一班的学生比二班多. There are more students in Class 1 than in Class 2.,1.There are more cats than rabbit,(3)形容词原级的比较,1. Wolves eat more food than foxes (do). 2. Foxes eat less food than wolves(do).,3、形容词同级的比较。,形容词的原级与asas连用表示肯定意思，是“和一样”的意思；与not as/ so as连用表示否定意义，是“不如”或“不一样”的含义。 She is as pretty as her mother. The book is as new as that one. The story is as interesting as that one. The question is not as / so difficult as that one. My bike is not as / so good as yours.,The snake is _ the wolf (dangerous) The snake is _ the wolves (dangerous),as dangerous as,not as /so dangerous as,as beatiful as,not as /so beautiful as,（4）形容词比较的修饰。,1.The dog _cats. 2.The dog _cats. (lovely),as lovely as,not as/so lovely as,The cow is _than the rabbit.(big) the rabbit is_than the cow.(small),much bigger,much smaller,much + 形容词的比较级 得多 a little + 形容词的比较级 一点 This pen is much better than that one. Tom is a little shorter than his friend Jim. Today is a little colder than yesterday. The book is much more interesting than that one. 注意：形容词的比较词前可用much, a little, rather, even，a lot.,The rabbit is _than the cat.(white) The cat is _than the rabbit.(black),a little whiter,a little blacker,（5）比较级+and+ 比较级,5. 形容词的比较级 + and + 形容词的比较级 （前后形容词是同一个）,越来越 She is becoming thinner and thinner. Our country is becoming richer and richer. There are more and more students in our school. Living in the world is becoming more and more difficult.,用所给单词的适当形式填空。,1.天气变得越来越冷。 The weather is getting _.(cold) 2.她越长越年轻。 She is becoming _.(young) 3.我班的学生越来越少。 There are _ students in my class.(few),colder and colder,younger and younger,fewer and fewer,4.动物的数量越来越少。 Animals number is getting _.(small) 5. 动物居住的领地越来越少。 Animals have _land to live on.(little),smaller and smaller,less and less,（6）the+比较级+.+the+比较级,6、the + 形容词的比较级 + 其他， the +形容词的比较级+其他。表示“ 越，就越” (两个比较级词不一样）,The more you eat, the fatter you will be. The harder you study, the more you will get. The smaller the house is, the less it will cost. The sooner, the better.,用所给单词的适当形式填空。,1.你练得越多，做起来就变得越容易。 _(much) you practice, _(easy) it becomes. 2.越多越好。 _（much/many), _(good),The more,the easier,The more,the better,7、the + 形容词比较级 + of 短语 两者中比较的一个,She is the prettier of the two girls. The bike is the older of the two. He is the taller of the two. This one is the more beautiful of the the two picture.,形容词最高级的用法(in; of),1.那个短发的女孩是我们班最高的. The girl with red hair is _our class. 2.今天是一年中最热的一天. Today is_ the year.,the tallest in,the hottest day of,3.他的房间是三个中最干净的一个. His room is _ the three. 4.上海是中国最大的城市. Shanghai is _China.,the cleanest of,the largest in,7.长江是中国最长的河流. The Changjiang River is _river in China. 8.这个城市世界上美丽的城市. The city is one of _cities in the world.,the longest,the most beautiful,5. 他在所有小孩中是年龄最小的一个. He is _ all the children. 6. 这本书是年有书中最有趣的一本书. This book Is _ of all books.,the youngest of,the most interesting,(7)英语倍数比较的表示,第一种方法:主语+谓语+倍数+比较级词+than+比较的对象 第二种方法:主语+谓语+as+形容词或副词原级+as+比较对象 英语中倍数的表示:一倍用once; 二倍用twice; 三倍用three times; 十倍用ten times等,1.我们教室比你的教室大一倍. Our school is _ than your