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1、比较级的用法句型：A+动词+形容词比较级+than + B.二者相比较,说明“A比B更一些”时要用一个连词than引导的从句.I am older than you.注意than后面接代词时,一般要用主格.但在口语中也可使用宾格.需注意的比较级用法1.在形容词比较级前还可以用much, even, still, a little,来修饰,表示“的多”,“甚至”,“更”,“一些”.Our city is much more beautiful than yours.我们的城市比你们的漂亮得多.This is even harder than steel.这个东西甚至比钢还硬.2.表示倍数：tim
2、es+形容词比较级+thanOur room is twice larger than theirs.我们的房间比他们的大二倍.The Yangzi River is ten times longer than the river in your city.长江比你们城市的河长十倍.3.表示“大三岁”,“高二厘米”时要用表示数、量的词+比较级来表示.Im two years older than you.我比你大二岁.4.比较级+ than any other +单数名词表示“比其他的任何都”（这个句型是用比较级形式表达最高级的意思.）He is better than any other s
3、tudent in the class.他在班里,比任何一个别的学生都好.（暗指：他是最好的）5.比较级+and+比较级译为“越来越”China is more and more beautiful.中国变得越来越美丽注意多音节形容词用此句型时,要用more and more +形容词原级；而不能用more beautiful and more beautiful.6.the+比较级,the+比较级译为“越就越”The busier he is, the happier he feels.他越忙就越高兴.The higher the ground（is）,the thinner air bec
4、omes.越高,空气就越稀薄.7.the+比较级+ of the two译为“两个中比较的”.This watch is the cheaper of the two.这支手表是两个中比较便宜的.He is the better of the two.他是这两个人中比较好的.8.Which（Who）is+比较级?比较A和B,问“哪一个较?”时用Which is+比较级,A or B?句型.如果是人与人相比时,用Who代替Which.Which one is more popular, the radio or the movie? 收音机和电影,哪一个更普及?一般来说,表示“等于”时用原级,它
5、的结构是as+原级+as.如：Im as tall as my twin brother.我和我的双胞胎哥哥一样高.比较级和最高级有规则变化和不规则变化两种.1) 规则变化单音节词和少数双音节词,加词尾-er,-est来构成比较级和最高级.构成法 原级 比较级 最高级一般单音节词 tall(高的) taller tallest未尾加-er,-est great(巨大的) greater greatest以不发音的e结尾 nice(好的) nicer nicest的单音词和少数 large(大的) larger largest以- le结尾的双 able（有能力的) abler ablest音节
6、词只加-r,-st以一个辅音字母 big(大的) bigger biggest结尾的闭音节单 hot热的) hotter hottest音节词,双写结尾的辅音字母,再加-er,-est以辅音字母+y easy(容易的) easier easiest结尾的双音节词,busy(忙的) busier busiest改y为i,再加-er,-est少数以-er,-ow clever(聪明的) cleverer cleverest结尾的双音节词 narrow(窄的) narrower narrowest未尾加-er,-est其他双音节词和 important(重要的)多音节词,在前 more import
7、ant面加more,most most important来构成比较级和 easily(容易地)最高级. more easilymost easily2) 不规则变化原级 比较级 最高级good(好的)/ better bestwell(健康的)bad (坏的)/ worse worstill(有病的)old (老的) older/elder oldest/eldestmuch/many(多的) more mostlittle(少的) less leastfar (远的) farther/further farthest/furthest注：有些形容词一般没有比较等级。如： right, wr
8、ong, woolen等。* as + 形容词或副词原级 + as1）在否定句或疑问句中可用so as.He cannot run so/as fast as you.2）当as as 中间有名词时采用以下格式.as +形容词+ a +单数名词as + many/much +名词This is as good an example as the other is.I can carry as much paper as you can.3）用表示倍数的词或其他程度副词做修饰语时,放在as的前面.This room is twice as big as that one.Your room is
9、 the same size as mine.4) 倍数+ as + adj. + as 倍数+ then + ofThis bridge is three times as long as that one.This bridge is three times the length of that one.Your room is twice as large as mine.Your room is twice the size of mine.* 可修饰比较级的词1）a bit, a little, rather, much, far, by far, many, a lot, lots
10、, a great deal, any, still, even等2）还可以用表示倍数的词或度量名词作修饰语.3）以上词(除by far)外,必须置于比较级形容词或副词的前面.* the + 最高级 + 比较范围1) The Sahara is the biggest desert in the world.形容词最高级前通常必须用定冠词 the,副词最高级前可不用.形容词most前面没有the,不表示最高级的含义,只表示非常.It is a most important problem.=It is a very important problem.注意： 使用最高级要注意将主语包括在比较范
11、围内.(错) Tom is the tallest of his three brothers.(对) Tom is the tallest of the three brothers.2) 下列词可修饰最高级,by far, far, much, mostly, almostThis hat is nearly / almost the biggest.注意：a. very可修饰最高级,但位置与much不同.This is the very best.This is much the best.b. 序数词通常只修饰最高级.Africa is the second largest conti
12、nent.3) 句型转换：Mike is the most intelligent in his class.Mike is more intelligent than any other students in his class.4) 否定词语+比较级,否定词语+ so as结构表示最高级含义.Nothing is so easy as this.=Nothing is easier than this.=This is the easiest thing.二、 形容词各等级的用法：1、 原级(同级)比较：asas; not as(so)asWell give you as much he
13、lp as we can.She isnt as(so)active in sports as before.2. 比较级：表示两者之间比 更可用状语much, a little, even等修饰： He made fewer mistakes than I did.He is even richer than I.3、 高级：形容词最高级前必须加the, 副词最高级前常省略the，后面多用of， in短语表示范围：It was the most/least interesting story I have ever listened.He is the tallest of the thre
14、e.4、 如果在两者之间表示“最”时要在比较级前加the，而且还用of the two, of the pair短语：John is the clever of the two boys.Of the two boys, John is the clever.三、 重点与难点：1、 asas结构：你和汤姆是一样好的孩子。Youre a boy as good as Tom.=Youre as good a boy as Tom.2、 (1)tooto与 sothat sb.cant的句型转换：前者为简单句，主语只有一个，而后者为复合句，主语有两个，试比较：The man was too ang
15、ry to be able to speak.The man was so angry that he wasnt able to speak.The milk was too hot to drink.The milk was so hot that we cant drink it.(2) tooto与 not enough to句型的转换：He is too young to get married.=He is not old enough to get married.The book is too difficult for me to read.=The book is not easy enough for me to read.3、 形容词原级表示比较级含义：约翰不象迈克那么苯。John is not so s
