初中英语形容词副词比较级和最高级ppt课件.ppt

形容词、副词比较级和最高级的构成,将二者进行比较时，用比较级。,将三者或三者以上进行比较时，用最高级。,什么情况下应用比较级和最高级?,形容词和副词的比较级和最高级的构成,一、规则变化：,二、不规则变化：,单音节词在词尾加-er(比较级)或-est(最高级),以字母e接尾的词加-r或-st,以重读闭音节结尾的词末尾只有一个辅音字母应双写辅音字母再加er或est,以辅音字母+y结尾的词变y为i再加-er,或-est,少数以er结尾的双音节词也是直接加-er,或-est,你可以讲讲吗？,一、单音节和 部分双音节词,harder hardest,faster fastest,larger largest,wider widest,bigger biggest,thinner thinnest,drier driest,earlier earliest,cleverer cleverest,二、多音节词和 部分双音节词,多音节词和部分双音节词在其前面加more 和 most,delicious seriouseasily,more delicious most delicious,more serious most serious,more easily most easily,better,best,worse,worst,less/fewer,more,most,farther较远further进一步,least/fewest,farthest最远furthest最大程度,三、不规则变化,older/elder,oldest/eldest,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,程度深的. He jumps farther than Tom. I want to study English further.,can you?,more important most important,easier easiest,thinner thinnest,more outgoing most outgoing,better best,hotter hottest,more expensive most expensive,cheaper cheapest,more most,less least,比较等级用法补充：,一.原级：(同级比较),1.表示两者在某一方面相同时： as + 形容词或副词的原形+ as,Li Ming is as tall as me. 李明和我一样高。 Tom runs as fast as Jack. 汤姆和杰克跑的一样快。,2. 表示一方在某一方面不如另一方时： not as/ so+ 形容词或副词的原形+ as,I am not so busy as I used to be. 我不像过去那么忙了,二.比较级句型,比较级 + and +比较级 表示“越来越”,Our country is getting stronger and stronger.,moreand more beautiful 越来越漂亮,2.the +比较级，the +比较级 表示“越就越”,The busier he is, the happier he feels.,3.the +比较级+ of 表示“两者中更的那个”,John is the taller of the two. 约翰是两个人中比较高的。,4. “which/who is + 比较级，A or B?” 表示“A和B中，哪一个更”,Who is older, Li Ming or Jack?,三.可以修饰比较级的词有：,1.表示程度：many，much , even, far, still, a little, a bit .,Yao Ming is much taller than Pan.,Im two years older than you. 我比你大两岁The mountain is 3 times higher than that one. 这座山比那座山高三倍,2.数词+比较级 :,四.可以修饰最高级的词有：,by far ,far ,much,mostly,almost,very,形容词最高级的常用句型,(三者或三者以上),谁是那四个男孩中最强壮的？,Who is _ of the four boys?,上海是中国最大的城市.,主语+谓语动词+ the+最高级+(单数名词) + in/of短语 表示在某一范围内或某类人中最.,Shanghai is _ in China.,the strongest,the largest,形容词最高级的常用句型,(三者或三者以上),英语是最有趣的科目之一。,English is one of _ of all the subjects.,她是学校里最漂亮的女孩之一。,主语+谓语动词+one of the+最高级+复数名词+ in/of短语the most beautiful “ .是最.之一”,She is one of _ girls in the school.,the most interesting,the most beautiful,the+序数词+最高级+单数名词+in短语 “在中是第几个”,黄河是中国第二长河。,The yellow river is _ river in China.,中国是世界上第三大国家。,China is _ country in the world.,the second longest,the third largest,形容词最高级的常用句型,(三者或三者以上),Which is the biggest,the moon, the earth or the sun?,4. “which/who is + 比较级，A ，B or C?” 表示“A，B和C中，哪一个最”,He is taller than any other boy.,He is taller than the other boys.,1. A+谓语动词+比较级+than+ any other +单数名词 “A比任何人或物都” 2. A+谓语动词+比较级+than+ the other +复数名词 “A是最”,比较级与最高级之间的转换,1、My mother is_ (busy) in my family.2、Shenzhen is one of _( big )_(city) in China.3、The Yellow River is the second _(long) river in China.4、Which is _(big) , the moon, the earth or the sun ?5、This is_ ( beautiful )city that I have ever visited.,1、This book is _(interest ) than that one.2、Which is _ (easy), math or English?3、This city is much _(beautiful )than that one.4、Today is even _(hot ) than yesterday.5、Tom is _ (tall) of the two boys.,6、My father is three years_( old) than my mother.7、Now it is _ and _(warm). 8、The _ you eat, the _(fat) you will become.9、 Tom is the tallest boy in his class.=Tom is taller than _ _boy in his class.=Tom is taller than _ _boys in his class.,中考热点,1. The ice in the lake is as _ as it was before. A. thin B. thinner C. thinnest D. the thinnest2. - How can I speak English_ you? - Youd better speak more. I think. Aas good as B. more than C. as well as D. as much as,A,C,3. In order to keep healthy, you should eat _ fast food, _ fresh vegetables and take enough exercise. A. fewer, fewer B. less, more C. fewer, more D. less, less4. My sister is good at sports. she can jump _than me. A. highest B. very high C. too high D. much higher,B,D,5. -Which is _, the sun, the moon or the earth? -Of course, the moon is A. small B. smaller C. smallest D. the smallest6. Oct.15th was one of _days in 2003. Shenzhou -V was sent up successfully. A. exciting B. more exciting C. the most exciting D. much exciting.,D,C,7. The more exercise you take, the _ you will be. A. weaker B. healthier C. luckier D. worse8. Everyone knows China is getting _ A. strong and strong B. stronger and stronger C. more strong and strong D. strongest and strongest,B,B,