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Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,11/7/2009,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,英语比较级和最高级用法讲解课件,第一页，共33页。,一、形容词和副词的原级：,表示两者（,A,与,B,）在某一方面相同时用句型：,A,+谓语+as+,形容词或副词的原形,+as+,B,.,eg:Tom 和 Sam 一样高。,Tom,is as,tall,as,Sam,.,Tom 和 Sam 跑得一样快。,Tom,runs as,fast,as Sam.,英语和数学一样重要。,English,is as,important,as,math,.,Lucy 和Lily 学习一样好。,Lucy,studies as,well,as,Lily,.,第二页，共33页。,2.两者（,A,与,B,）在某一方面,A,不如,B,时用句型：,A,+谓语+not as/so+,形容词或副词的原形,+as+,B,.,eg:Tom 不如 Sam 高。,Tom,is not as/so,tall,as,Sam,.,Tom 不如 Sam 跑得快。,Tom,doesnt run as/so,fast,as,Sam,.,英语不如数学重要。,English,is not as/so,important,as,math,.,Lucy 不如Lily 学习好。,Lucy,doesnt study as/so,well,as,Lily,.,第三页，共33页。,形容词的比较级,一：,用法,用于两者（人或物）之间，表示“其中一个比另一更”或“较”，后面,通常,用连词than连结另一个比较的对象，其基本句型是：,主语谓语（系动词）形容词比较级,than,对比对象。,eg:,吉姆比迈克高。,Jim is taller than Mike.,迈克比吉姆矮,Mike is shorter than Jim.,第四页，共33页。,A,+谓语+,形容词或副词的比较级,+than+,B,.,eg:Tom 比 Sam 高。,Tom,is,taller,than,Sam,.,Tom 比 Sam 跑得快。,Tom,runs,faster,than,Sam,.,英语比数学重要。,English,is,more important,than,math,.,Lucy 比Lily 学习好。,Lucy,studies,better,than,Lily,.,第五页，共33页。,Which goes fast,er,the bike or the car?,The car goes faster than the bike,.,The bike goes fast.,第六页，共33页。,Which flies high,er,the plane or the bird?,The plane flies high,er,than,the bird.,The bird flies high.,第七页，共33页。,Which runs fast,er,the dog or the sheep?,The dog runs fast,er,than,the sheep.,The sheep runs fast.,第八页，共33页。,￥,100,￥,200,Which is,more,expensive,the brown coat,or the the yellow coat?,The yellow coat is,more,expensive,than,the brown one.,The brown coat is expensive.,第九页，共33页。,Donald duck,Harry Potter,Which is,more,interesting?,Harry potter is,more,interesting,than,Donald duck.,Donald duck is interesting.,第十页，共33页。,than 后面接代词时，一般要用主格，但在口语中也可以换成宾格。,eg:He works more carefully than I(me).,他比我工作更细心。,（3）“比较级+and+比较级”表示“越来越”,eg:He becomes fatter and fatter.,他越来越胖了。,She,studies better and better,.,她,学得越来越好了,。,第十一页，共33页。,（4）“The+比较级，the+比较级”表示“越，越”,eg：他越忙就越高兴。,The busier he is,the happier he feels.,你吃的越多，你就越胖。,The more you eat,the fatter you will become.,（5）形容词比较级前可加数词，表示“大（小）多少”“长（短）多少”,eg:He is five years younger than me.,他比我小五岁。,（6）表示倍数时用:times+比较级+than,eg:My room is three times bigger than yours.,第十二页，共33页。,Which means of transportation is safer?,bus,plane,第十三页，共33页。,Which country is larger?,Australia,第十四页，共33页。,The yellow River,Which river is longer?,The Changjian River,第十五页，共33页。,vegetables,pizza,Which is more delicious?,第十六页，共33页。,Who is more popular?,Beckham,Zhao Benshan,第十七页，共33页。,1,、形容词和副词的比较级的规则变化：,一般直接在词尾加,er,或,est,tall,taller-tallest,light,lighter-lightest,以字母,e,结尾的直接加,r,或,st,nice,nicernicest,fine,finerfinest,以辅音字母加,y,结尾的形容词，要变,y,为,i,再加,er,或,est,heavy,heavierheaviest,busy,busier-busiest,以重读闭音节结尾且末尾只有一个辅音字母的,形容词，要双写末尾的辅音字母再加,er,或,est,thin,thinnerthinnest,hot,hotterhottest,第十八页，共33页。,多音节词或部分双音节词的比较级和,最高级在其前面加,more,或,most,。,beautiful,more beautifulmost beautiful,important,more importantmost important,Interesting more interesting most interesting,quickly more quickly most quickly,tired more tired most tired,第十九页，共33页。,2,、不规则形容词的比较级最高级,better,best,more,most,less,least,worse,worst,farther/further,farthest/furthest,older/elder,oldest/eldest,第二十页，共33页。,（8）修饰比较级的词,much(的多)、far(的多)、,a lot(的多)、even(更)、still（仍然）、,any(任何),a bit(一点儿)a little(一点儿),eg:This city is,much,more beautiful than,that one.这座城市比那座城市漂亮的多。,Today is,even,hotter than yesterday.,She drives,still,more carefully than,her husband.,她开车仍然比她丈夫认真。,第二十一页，共33页。,（9）修饰形容词,原级,的词：,very、rather、pretty、so、quite、too,He is too tired to walk on.,他太累了以至于不能再继续走了。,My brother runs so fast that I cant,follow him.,我弟弟跑得那么快以至于我跟不上他。,His lifestyle is quite different from mine.,他的生活方式和我的相当不同。,第二十二页，共33页。,三、形容词、副词的最高级,形容词和副词的最高级常用来表示三者或三者以上人或物的比较。形容词最高级前必须加定冠词the,而副词的最高级前可以不加定冠词the。但是当形容词的最高级前已经有了作定语用的形容词性的物主代词或名词所有格时，不在加the。,1、主语+谓语+the+形容词或副词的最高级 +of/in短语。表示“主语是中最的”。,My mother is,the busiest,in,my family.,我妈妈是家中最忙的。,I jump(the)farthest in my class.,我是我们班跳得最远的。,Tom is the tallest of all the students.,Tom是所有学生中最高的。,第二十三页，共33页。,2、one of the+形容词最高级+cn.复数 “最之一”。,Beijing is one of the largest cities in China.,北京是中国最大城市之一。,3、the+序数词+形容词最高级+名词,表示“第几大长高”,The Yellow River,is,the second longest,river in China黄河是中国第二长河。,4、Which/Who+谓语+the,+形容词或副词最高级,A,B or C?,表示“三者中哪一个更、最”,Which is,the biggest,the moon,the earth or the sun?,月球、地球和太阳哪一个更大？,第二十四页，共33页。,四、比较级与最高级的互换,1,Jim is tall,er,than,any other,boy,in our class.(,吉姆比我们 班上任何一个男孩都高,),=Jim is tall,er,than,the other,boy,s,in our class.(,在我们班上吉姆其它的男孩高,),=Jim is,the,tall,est,in our class.,（吉姆是我们班最高的）,2.Jim is taller than any girl in our class.,（吉姆比我们班的 任何一个女孩都高）,第二十五页，共33页。,I.,用形容词的正确形式填空,1.Which do you like _(well),apples,pears or bananas?,2.I think this story is _(interesting)than that one.,3.In the morning he is _(early).His father is _(early)than he.His mother is the _(early)of the three.,4.The Yellow River is the second _(long)river in China.,5.He thinks his corn is _(delicious)of all the food.,6.I feel math
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