英语中的比较级和最高级专业知识讲座.ppt

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,*,本文档所提供的信息仅供参考之用，不能作为科学依据，请勿模仿。文档如有不当之处，请联系本人或网站删除。,规则变化如下:,1),单音节,形容词的比较级和最高级形式是在词尾加-er 和-est 构成。,great greater greatest,warm warmer warmest,long longer longest,strong stronger strongest,2)以-e 结尾的,单音节,形容词的比较级和最高级是在词尾加-r 和-st 构成。,wide wider widest,close closer closest,brave braver bravest,(3)以-y 结尾,但-y 前是,辅音字母,的形容词的比较级和最高级是把-y 去掉,加上-ier 和-iest 构成.,happy happier happiest,funny funnier funniest,healthy healthier healthiest,tidy tidier tidiest,(4)以一个辅音字母结尾其前面的元音字母发短元音的形容词的比较级和最高级是双写该辅音字母然后再加-er和-est。,hot hotter hottest,red redder reddest,fat fatter fattest,sad sadder saddest,thin thinner thinnest,(5),部分双音节,和,多音节,形容词的比较级和最高级需用more 和 most 加在形容词前面来构成。,difficult,popular,helpful,cheerful,tired,不规则变化如下,：,原级-比较级-最高级,good,well-better-best,bad,ill-worse-worst,little-less-least,few-fewer-fewest,many,much-more-most,far-farther/further-farthest/furthest,old-older/elder-oldest/eldest,late-later/latter-latest/last,clean helpful,easy cheerful,tidy important,close big,wide clever,healthy tired,hot good,sad far,cleaner cleanest,easier easiest,tidier tidiest,closer closest,wider widest,healthier healthiest,hotter hottest,sadder saddest,more,most,more,most,more,most,bigger biggest,er est,more,most,better best,farther farthest,形容词比较级的用法:,1)同级比较,肯定形式,：as+adj./adv.,原级,+as,“和一样”,e.g.This apple is,as,big,as,that one,.,否定形式,：not so/as+adj./adv.,原级,+as,“和不一样”,He does,nt,write,as,carefully,as,his sister.,2)差别比较“比更一些”，常用连词than引导状语从句,。,A+系动词+形容词比较级+,than,+B.,I think English is,more popular,than,Japanese.,A+实义动词+副词比较级+,than,+B.,Mike studies,harder,than,Helen.,常用来修饰比较级的词：,much,even,still,so much,a little,a bit,a lot,far等。,只能修饰原级不能修饰比较级的,：,very,quite,so,rather,This park is,much,more beautiful,than that one.,Toms father is,a little,fatter,than Jims.,Our teacher is_ than we are.,我们老师的个子比我们的高。,2.It is _today than it was yesterday.,今天的天气比昨天暖和。,3.This picture is_than that one.,这张照片比那张照片漂亮。,4.The sun is_ than the moon.,太阳比月亮大得,多,。,5.His handwriting is _,（,well,）,.,He writes _(good)in his class.,6.Sandy is _(lazy)person in his class.,7.Tom is a _(care)boy.,He does everything _(careful).,He does everything _ in his family.,taller,warmer,more beautiful,much more bigger,good,best,the laziest,careful,carefully,most carefully,形容词和副词最高级的用法:,形容词最高级用于两个以上的人和物进行比较,其结构形式为:,A+连系动词+形容词最高级+of/in/among,Autumn is,the best,season in Beijing.,A+实义动词+副词最高级+of/in/among,Who runs,fastest,in our school?,比较级和最高级的特殊句型：,比较级+and+比较级 “越来越”,When it is going to rain,it can get,darker and darker,.,比较级+than any other+单数名词 “比其他任何都”,Changjiang River is,longer,than any other,river,in China.,the+比较级,the+比较级 “越,就越”,The more,you eat,the fatter,you will be.,the+比较级+of the two “两个中较的那个”,He is,the taller,of the two.,Which/Who is+比较级，A or B?“A和B哪一个/谁更?”,Which is,more interesting,swimming or diving?,Which/Who is+the+最高级，A,B or C?,“哪一个/谁最?”,Which is,the fastest,way to travel,by plane,by bus or by train?,one of the+最高级+复数名词 “最之一”,I think Harry Potter is one of,the most popular,novels.,the+序数词+最高级 “第几最”,Beijing Duck is,the second nicest,dish I have ever met.,She is _student in her class.她是班上,最好,的学生。,Shanghai is one of _cities in China.,上海是中国,最大,城市之一。,This is _apple I have ever tasted.这是我尝到的,最甜,的苹果。,Tom is _boy in his basketball team.汤姆是他们篮球队中个子,最矮,的孩子。,the best,the biggest,the sweetest,the shortest,1.Whichis_,LiLeiorWuTong?A.strong B.strongest,C.stronger D.thestrongest,2.Whichlanguageis_,English,FrenchorJapanese?,A.easy B.themosteasy,C.theeasiest D.muchmoreeasy,3.Whichis_ interesting,science,MathorEnglish?A.more B.themost C.very D.too,4.Whichcityis_,Beijing,Shanghai orFuzhou?,A.beautifulB.morebeautiful,C.muchmorebeautifulD.themostbeautiful,5.Whichmonthis_,June,JulyorAugust?A.hot B.hotter C.hottest D.thehottest,C,C,B,D,D,