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1、形容词和副词的 比较级和最高级,学习目标：1.了解形容词副词的概念和用法。2.复习形容词副词三级的构成。3.掌握三级常用句型。,形容词：是修饰名词（人或事物），表示名 词的性质，特征或属性一种词类。它在句中作定语、表语和宾语补足语。,副词：用来修饰动词、形容词及其他副词 的词叫副词。副词在句中多作状语.,一、形容词和副词的概念,形容词作定语一般放在被修饰的名词之前。如:a new book,two big trees 等。,二、形容词和副词的用法,形容词放在系动词be、look、get、keep、turn、feel、become、seem、grow、smell等之后。如:1.I am shor
2、t.2.She looks fine.3.They turn green.,如果形容词修饰不定代词something,anything,everything,nothing等时，要放在不定代词后面。如:something interesting nothing new,副词放在所修饰的动词之后、形容词和副词之前。如果前面是行为动词，则后面用副词。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）,big,bigger,Look at the p
3、ictures and understand,Look at the pictures and understand,big,bigger,biggest,fast,Look at the pictures and understand,fast,faster,Look at the pictures and understand,fast,faster,fastest,Look at the pictures and understand,三、形容词和副词的级,形容词和副词有三个等级：原级、比较级、最高级,形容词的比较级和最高级构成,规则变化,不规则变化,taller harder larg
4、er wider,tallest hardest largest widest,bigger hotter fatter wetter,biggest hottest fattest wettest,happier drier earlier,happiest driest earliest,narrower cleverer,narrowest cleverest,more difficult more popularmore slowly,most difficult most popularmost slowly,少数以-er,-ow结尾的双音节词可加-er或-est,规则变化,bett
5、er,best,worse,worst,less,more,most,farther/further,older/elder,least,farthest/furthest,oldest/eldest,不规则变化,巧记：特殊形式比较级共有三对二合一坏病两多并两好little意思不是小一分为二有两个一是老来二是远,important _ _ easy_ _ wet_ _ happy_ _ careful _ _ thin _ _ good_ _ hot _ _ easily _ _ many_ _ nice _ _ big _ _heavy_ _delicious_ _much_ _,给出下列词
6、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,形容词，副词三级常用句型,原级结构,1.as+ad
7、j./adv.原级as 和一样,2.否定：not so/as+adj./adv.原级as 不及,我和你一样大。I am _ you.他跑得不及我快。He _ run _ I.,as old as,doesnt,as/so fast as,3.倍数asas=倍数比较级than,这本书比那本厚2倍。This book is _ as that one.The book is _ than that one.,three times as thick,twice thicker,1.A+谓语+adj./adv.的比较级than B A在某方面超过B,我比汤姆要高。I am _ Tom(is).,你看
8、起来比以前年轻。You look _ before.,比较级的结构,taller than,younger than,2.the+比较级，the比较级 越就越,你越粗心，犯的错误就越多。,The _ you are,the _ mistakes you will make.,more careless,more,3.比较级+and+比较级 越来越当形容词或副词为多音节时，必须用more and more+原级,The population is growing _.越来越快,faster and faster,The city has become(越来越漂亮)_.,more and more
9、 beautiful,4.adj./adv.的比较级+than+any other+单数名词（+介词短语）表示“（主语）比同一范围的任何一个人/物都”含义是“最”,1.露西比她们班女生个子都高.Lucy is _ in her class,2.云南比我们国家其他城市都漂亮.Yunnan is _in our country,taller than any other girl,more beautiful than any other city,最高级结构,1.A+谓语+the（序数词）+adj/adv最高级+（单数名词）in(范围)/of(同类)短语表示是中最的。,Mary is the t
10、allest girl _ her class/_ the three.Bill reads most clearly _ all the students.它是世界上第二高的建筑物.It is _ building in the world.,in,of,of,the second tallest,2.one of the+形容词最高级+名词复数表示“最之一”,他是班里最高的学生之一.,He is _ in the class.,one of the tallest students,上海是中国最大的城市之一.,Shanghai is _ in china.,one of the bigge
11、st cities,注意,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.,注意,3.Kate is more beautiful than Lily is.S
12、he 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。,Follow ups(随堂练习),1、-Mr Zhou,all of the students in our group,who lives _?-I think Li Lei do
13、es.A.fat B.father C.farthest D.farest2、The Changjiang River is _ than any other river in China.A.shorter B.longer C.shortest D.longest3、Bob never dose his homework _ Mary.He makes lots of mistakes.A.so careful B.as carefully as C.carefully as D.as careful as4、_ she is,_ she feels.A.The more busy,the
14、 more happy B.The busy,the happy C.Busier,happier D.The busier,the happier5、The weather is getting w_ a_ w_.(越来越糟糕),C,B,B,D D,orst nd orst,。,Have a try，please。,1.Which do you like _(well),apples or oranges?2.Who is _(old),Jim or Tom?3.Jack is running _ and _(fast).4.Our country is becoming _and _(be
15、autiful).,better,older,faster,faster,more,more beatiful,用括号内形容词和副词的适当形式填空1.Jack isnt so _(clever)as John.2.Tom works as _(hard)as Mary.3.China is _(large)country in Asia.4.Its _(hot)today than yesterday.5.This park looks much _(good)than that one.,cleaver,hard,the largest,hotter,better,6.I cant run
16、as fast as you.You run _(fast)than I.7.Of all the girls she draws _(well).8.English is one of _(interesting)subjects.9.This student is _(careful)than any other student.10.Which is _(easy),English,Chinese or maths?,faster,(the)best,the most interesting,more careful,the easiest,改错:1.His computer is cheaper than I.2.Bill is taller than any boy in his class.3.Li Ling is the youngest of our class.4.Jim is one of the tallest boy in our class.5.The girl is very taller.,I,mine,any boy,any other boy,Good-bye,
