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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,*,一、本单元语法,形容词和副词的级,Unit Two,形容词放在名词之前，修饰名词。,一、形容词和副词的用法,形容词放在系动词之后。,副词修饰实义动词,副词修饰形容词和副 词。,如,:,1.She works,hard,.,（修饰动词）,2.I am,very,busy.,（修饰形容词）,3.He runs,too,quickly.,（修饰副词）,4.We play happily.,（修饰动词）,（一）形容词的用法,（二）副词的用法,（三）形容词和副词间的转换,通常在形容词后加,-,ly,变成副词。,slow _ real _,usual _ careful_,easy _ happy _,heavy _ angry _,slow,ly,usual,ly,eas,ily,heav,ily,real,ly,careful,ly,happ,ily,angr,ily,1.Do sports every day to keep_(health).,2.It snowed _(heavy)yesterday.,3.The rain will be _(heavy)in some places.,4.It will be _ (sun)tomorrow.,5.Her pen was _(break).,healthy,heavily,heavy,sunny,broken,二、形容词和副词的级,（一）形容词和副词有三个等级：,平级、比较级、最高级,1.,形容词和副词的原形。,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,平级：两个相同事物比较。,as,as,与,一样,（肯定式）中间用原形。,not as,（,so)as,与,不一样,（否定式）,The story is,as,interesting,as,that one.,The question is,not as/so,difficult,as,that one.,bigger,2.,比较级：两个不同的人或物之间的比较。（详细比较）,表示“更,一些”。,标志词：,than(,比）,big,big,bigger,biggest,3.,最高级：三个或三个以上的人或物之间 的比较。,表示“最,”,的意思,标志词：,1,）,in+,大范围,2,）,of all,3,）,of+the+,数字,1,）一般的词比较级加,-,er,最高级加,-est.,（二）比较级和最高级变化规则,bright brighter brightest,young younger youngest,2,）以不发音字母,e,结尾的词,比较级加,-r,最高级加,-,st,.,nice nicer nicest,white whiter whitest,3,）重读闭音节以一个辅音字母结尾的，应先双写辅音字母，再加,-,er,或,-est.,像,big,，,hot,fat,thin,red,wet,等,。,big bigger biggest,hot hotter hottest.,1.,单音节和部分双音节词比较级加,-,er,最高级加,-est.,4,）以辅音字母加,-y,结尾的词，先把,y,变为,i,，再加,-,er,-est.,easy easier easiest,healthy healthier healthiest,early earlier earliest,2.,多音节词，比较级在原形前加,more,和最高级在原形前加,most.,3.,以,ous,ed,ing,ly,ful,able,等词缀结尾构成的词，比较级在原形前加,more,和最高级在原形前加,most(early,除外,),。,important more important most important,popular more popular most popular,slowly more slowly most slowly,useful,more useful most useful,famous more famous most famous,surprising more surprising most surprising,Tired more tired most tired,good/well ,bad/ill,many/much ,little ,far ,old,less,least,better,best,farther,farthest,worse,worst,more,most,（三）比较级和最高级,不规则变化,further,furthest,older,oldest,elder,eldest,表抽象含义,表距离,比较年龄,用于长幼关系,important,_ _,easy_ _,wet_ _,happy_ _,careful _ _,thin _ _,good_ _,hot _ _,easily _ _,many_ _,nice _ _,big _ _,heavy_ _,delicious_ _,much_ _,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,1,“,A+be+,形容词比较级,+than+B”,意思为“,A,比,B,更,”,。,如：这棵树比那棵树高。,This tree is taller than that one.,A watermelon is much bigger than an apple.,形容词比较级的修饰。,比较级前面可以用,even(,更加,),，,much(,得多,),，,far(,得多,),，,a little(,一点,),，,a bit(,一点,),，,a lot(,大量,),等词语。,She is far better than me at writing.,This pen is much better than that one.,Tom is a little shorter than his friend Jim.,(,四,),比较级的用法,It becomes warmer and warmer when spring comes.,It is getting cooler and cooler.,The wind blows,more and more heavily,.,Our school is becoming more and more beautiful.,1),春天来了，天气变得越来越暖和了。,2),天气越来越凉爽。,3),风变得越来越大。,4),我们的学校变得越来越美丽,2.,比较级,+and+,比较级”或“,more and more+,原级”,表示“越来越,”,3,在含有,or,的选择疑问句中，,如果有两者供选择，前面的形容词要用比较级形式。,stronger and stronger,4.“the+,比较级,the+,比较级”，表示“越,越,”,。,The more carefully you do your homework,the fewer,mistakes you will make.,The more we get together,the happier we will be.,1,）你做作业越认真，犯错越少。,2,）我们相处越多，就越快乐。,5.,表示倍数的比较级用法：,数词,+times as+,原级,+as,Asia is four times as large as Europe.,亚洲是欧洲的四倍大。,(,亚洲比欧洲大三倍,),1),谁更高，,Tim,还是,Tom?,2),北京西安哪个城市大？,Who is,taller,Tim or Tom?,Which is,bigger,，,Beijing or Xian?,Asia is three times bigger than Europe.,（五）最高级的用法,1.,三个或三个以上进行比较用最高级,2.,形容词的最高级前必须加,the.,副词的最高级省略“,the”.,3.,常与,in,of,介词短语连用,1)Tom runs fastest in our class.,2)He is the tallest of the three.,3.one,of+the,+,最高级,+,名词复数,(,总体表示单数,),其中之一,Shanghai is one of the biggest cities in the world.,4.,最高级,转换,比较级,+than any other+,单数名词,A whale is the biggest animal in the world.,A whale is bigger than any other animal in the world,.,China is the biggest country in Asia.,China is bigger than any other country in Asia.,5,在选择问句中，如果有三个选择，形容词要用最高级。,Which is the,biggest,，,Beijing,，,Ankang,or Xian?,比较级的用法：,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.,形容词最高级的用法,(in;of),那个短发的女孩是我们班最高的,.,今天是一年中最热的一天,.,他的房间是三个中最干净的一个,.,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 city,in,China.,Follow ups,(,随堂练习,),1,、,-,Mr,Zhou,all of the students in our group,who lives _?,-I think Li Lei does.,A.fat B.father C.farthest D.,farest,2,、,The,Changjiang,River is _ than any other river in China.,A.shorter B.longer C.shortest D.longest,3,、,Bob never dose his homework _ Mary.He makes lots of mistakes.,A.so careful B.as carefully as,C.car
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