,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,*,高一（上）,形容词和副词的,比较级&最高级,高一（上）形容词和副词的,1,形容词和副词的级,原级、比较级、最高级,形容词和副词有三个等级：,1.原级：即形容词和副词的原形。,small,good,pretty,big,many hard,happily,slowly,quickly,程度副词very,too,so,quite等修饰形容词和副词的原级。,如：very tall、too hot、so cold,quite interesting run quickly,asas,(与一样）；not as（so)as（与不一样）中间用原级。,The story is as interesting as that one.,The question is not as/so difficult as that one.,形容词和副词的级原级、比较级、最高级,2,2.比较级：两个人或物之间的比较。表示“较”或“更一些”。标志词：than(比）,单音节词通常是-er结尾；多音节或部分双音节词通常在之前加more.,如:smaller,better,taller,older,more,harder,more interesting,more quickly,3.最高级：三个或三个以上的人或物之间 的比较。,标志词：in+大范围,of all,of+the+具体的数字,表示“最”的意思。（两者以上用最高级）,单音节词通常是-est结尾；多音节或部分双音节词通常在之前加most.在形容词的最高级前必须加the;副词之前可以不加。如：smallest,tallest,newest,best,most interesting,most difficultly,2.比较级：两个人或物之间的比较。表示“较”或“更一,3,单音节和少数多音节的形容词和副词的比较级和最高级的构成分规则和不规则。变化如下：,构 成 方 法,原 级,比 较 级,最 高 级,单音节词和少数多音节词,一般在词尾加-er/或-est/ist/,cold,colder,coldest,fast,faster,fastest,以字母e结尾的形容词，加-r或-st,nice,nicer,nicest,large,larger,largest,重读闭音节词只有一个辅音字母时，应先双写辅音字母；再加-es或-est,big,bigger,biggest,hot,hotter,hottest,以“辅音字母+y”结尾的双音节词，先改“+,y”,结尾的双音节词，先改“,y”为“i”,再加-er或-est,easy,easier,easiest,early,earlier,earliest,多音节词和部分双音节词,在词前加more或most,tired,more tired,most tired,easily,more easily,most easily,单音节和少数多音节的形容词和副词的比较级和最高级的构成分规,4,2.不规则变化,well better best,bad worse worst,many more most,little less least,Much more most,far farther farthest,2.不规则变化,5,important,_ _,easy_ _,wet_ _,happy_ _,careful _ _,thin _ _,good_ _,hot _ _,easily _ _,many_ _,nice _ _,big _ _,heavy_ _,delicious_ _,much_ _,练习：给出下列词的比较级和最高级,more important,most important,easier,easiest,wetter,wettest,happier,happiest,more careful,most careful,thinner,thinnest,better,best,hotter,hottest,more easily,most easily,more,most,nicer,nicest,bigger,biggest,heavier,heaviest,more delicious,most delicious,more,most,important _,6,比较级的用法：(1),than,1.汤姆比杰克高.,2.这只箱子要比那只箱子大.,3.那些苹果比这些大.,4.第一个问题很容易,但第二个更容易,.,Tom is taller than Jack.,This box is bigger than that one.,Those apples are bigger than these ones.,The first question is very easy,but the second one is easier.,比较级的用法：(1)thanTom is tall,7,(2)数量的比较,1.我的笔比你的多.,2.我喝的茶比他多.,3.他吃的饭比我少.,4.一班的学生比二班多.,I have more pens than you(do).,I drink more tea than he(does).,He has less rice than I(do).,There are more students in Class 1 than in Class 2.,(2)数量的比较I have more pens than,8,(3).“the+比较级,the+比较级“：表示“越越”,eg.1.The sooner you see a doctor,the better it is.,2.The longer I waited,the less patient I became.,(3).“the+比较级,the+比较级“：表示,9,（4）比较级+and+比较级，表示“越来越”,冬天就要来了，天气变得越来越冷。,e.g.Winter is coming.Its getting colder and colder.,（4）比较级+and+比较级，表示“越来越”,10,高中英语形容词和副词的比较级最高级ppt课件,11,高中英语形容词和副词的比较级最高级ppt课件,12,高中英语形容词和副词的比较级最高级ppt课件,13,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.,2、今天是一年中最热的一天.,3、他的房间是三个中最干净的一个.,4、上海是中国最大的城市.,The girl with red hair is the tallest in our class.,Today is the hottest day of the year.,His room is the cleanest of the three.,Shanghai is the largest in China.,形容词最高级的用法 (in;of)Th,14,2.the+序数词+最高级+单数可数名词：表示“第几大的”,eg,.1.This is the third most popular song of Michael Jackson。,2.Russia is the first biggest country in era in the world.,2.the+序数词+最高级+单数可数名词：表示“第几大的”,15,1.The new building is higher than the old,one.,Those apples are bigger than these,ones.,2.His shirt is more expensive than,mine.,如果主语是物主代词+名词，那么后面要用,名词性物主代词。,比较级必须在同类中进行，即人与人比，,物与物比，而且比较结构前后的词语要对称，,特别注意在than或 as 之后不要漏掉可能出现,的替代词 that，those,one,ones.,Attention,1.The new building is higher t,16,3.Kate is more beautiful than Lily,is.,She is five years older than I,am.,I drink more tea than he(does).,than前后句子的时态相同。通常用be动词,情态动词can,may,must,could,should和助动,词do,does,did,will，have等来简答。,4.I have more pens than you(do).,many,much,little,few等词必须带名词。,3.Kate is more beautiful than,17,5.The city is one of the most beautiful cities,in the world.,one of+the+最高级+复数名词,Which/Who+比较级，A or B?,Which/Who+最高级，A ，B or C?,6.Who is older,Jim or Tom?,Who is the tallest,Jim,Mike or Tom,Which language is _,English,French or Chinese?,A.difficult B.more difficult C.the most difficult,C,5.The city is one of the most,18,7.,Mary is the tallest of all the sisters in the family.,在使用形容词最高级时，一定要把自己包括,在比较的范围内。,8.This is the third largest city in China.,当表示“第二，第三”等意思时，经常在最高,级的前面加second,third,等词。,9.Its,our largest machine,in our factory.,当最高级前有物主代词修饰时，其前不加,定冠词the.,7.Mary is the tallest of a,19,双音节或多音节形容词和副词的比较级 和最高级的特殊情况：,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,often-more often-most often,双音节或多音节形容词和副词的比较级 和最高级的特殊,20,3、,表示在两者之间相差的程度用“具体数字+比较级+than+比较对象”。,eg:The road is two metres longer than that one.,这条公路比那条公路长两米。,This pencil is four inches shorter than that one.,这只铅笔比那只铅笔短四英寸。,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。,friendly huge calm free true clever,3、表示在两者之间相差的程度用“具体数字+比较级+than,21,5、形容词原级的比较。,形容词的原级与a