七年级英语ppt课件比较级和最高级

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,*,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,*,形容词和副词的,比较级和最高级,8a-Unit 6,形容词和副词的8a-Unit 6,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：是修饰名词（人或事物），表示名副词：用来修饰动词、形,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,short.,2.She,looks,fine.,3.They,turn,green.,形容词作定语一般放在被修饰 的名词之前。二、形容词和副,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）,如果形容词修饰不定代词something,副词放在所修,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,通常在形容词后加-ly变成副词。slow _,big,bigger,Look at the pictures and understand,看图并理解,bigbiggerLook at the pictures,Look at the pictures and understand,看图并理解,big,bigger,biggest,Look at the pictures and unde,fast,Look at the pictures and understand,看图并理解,fastLook at the pictures and,fast,faster,Look at the pictures and understand,看图并理解,fastfasterLook at the picture,fast,faster,fastest,Look at the pictures and understand,看图并理解,fastfasterfastestLook at the,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,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,三、形容词和副词的级形容词和副词有三个等级：,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.,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,:small,er,better,tall,er,old,er,more,hard,er,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,：,small,est,tall,est,new,est,best,most,interesting,most,difficultly,asas,(与一样）not as（so)as,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,不规则变化，要多加注意哦！,good ,bad ,many ,little ,well ,badly ,much,far ,better,best,worse,worst,more,most,less,least,better,best,farther,farthest,worse,worst,more,most,不规则变化，要多加注意哦！good,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,important _,More examples:,1.Mary is,cleverer,than,her little sister.,2.The new building is,higher,than,the old,one.,3.His shirt is,more expensive,than,mine.,4.Kate is,more beautiful,than,Lily,is.,5.She is,five years older,than,I,am.,6.He is,2 centimeters taller,than,her,.,7.This ruler is,20 centimeters longer,than,that one.,More examples:,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.,比较级的用法：thanTom is taller,(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,More examples:,1.He is,the youngest,of all,the children.,2.This book is,the most interesting,of all,books.,3.America is,the most developed country,in,the world.,4.The Changjiang River is,the longest river,in,China.,5.He is one of,the greatest scientists,in,China.,6.The city is one of,the most beautiful cities,in,the world.,7.Lucy is one of,the tallest girls,in,her class.,8.Give my,best,wishes to you.,9.He is my,best,friend.,More examples:,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,in,China.,形容词最高级的用法(in;of)The girl,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