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1、形容词、副词的比较级最高级的用法及练习一 形容词和副词的形式 形容词和副词有三种形式：原级、比较级、最高级。原形，如long；比较级就是在原形之后加上er，如longer；最高级就是在原形之后加上est，如longest。在多音节词和部分双音节词前加more和most 构成比较级和最高级。二形容词和副词比较级最高级的用法 1，比较级常常用than来连接被比较的两个人或事物。Li Lei is taller than Wang Jun. 2形容词和副词的最高级用法：当三者或三者以上的人或事物进行比较时，形容词和副词要用最高级，也就是est 形式或most，最高级之后常常用of ,in 或定语从句
2、来限定比较的范围。如：.Li Lei is the tallest of all /in our class. . This is the most interesting story that I have heard.注意最高级之前一定要用the ,但副词之前可以省略。如：Li Lei runs (the ) fastest of the three。三形容词副词的比较级最高级形式的变化规则 1大多数形容词副词之后直接加-er est ,如：shortshortershortest slowslowerslowesrt quickquicker quickest 2以e 结尾的形容词和副词
3、加r st ,如：nicenicer nicest latelaterlatest 3以辅音字母加y结尾的形容词副词变y为i再加-er ,-est,如：earlyearlierearliest funny funnier funniest 4以重读闭音节结尾，末尾只有一个辅音字母的形容词副词双写末尾的辅音字母再加er,est,如：bigbiggerbiggest （注：常用的有五个big fat hot thin red,可以这样记：大胖子热瘦子是红色的） 5不规则的形容词副词的比较级最高级：many/muchmoremost good/wellbetterbest bad/badlywors
4、eworst littlelessleast farfartherfarthest （注：常用的有五个many/much good/well little bad/badly far,可以这样记：多好与一点点坏相差很远） 6部分双音节词和多音节的形容词副词的比较级最高级加more,-most,如；beautifulmore beautifulmost beautiful ； slowly more slowly most slowly四形容词副词比较级最高级的特殊用法 1.than的句型：adj(adv)比较级+than+比较对象 This lesson is easier than that
5、 one. The boy is taller than that one 2比较级之前用the 特指两个中的更的一个, The older boy of the two boys is my brother . 3As+原级+as 和一样 not so/ as as 和不一样 She is as tall as her mother. I dont run so fast as my brother. This river is twice as long as that one. 4.比较级+and + 比较级；多音节词用more and more+adj(adv原级)表示越来越 It g
6、ets hotter and hotter. The girl is getting more and more beautiful. 5.who/which +be+比较级，A or B? Who is fatter,Tom or John? Which is more expensive, a bike or a computer? 6 the 加比较级,the 加比较级表示“越就越”; The better the environment will be,the more trees we plant every year. The older you are, the more you
7、 will know about it7.在比较级前用much, a lot, even, still, far, a little等程度副词用来加强语气 A computer is much more expensive than a bicyle. Today is a little colder than yesterday.8. one of + 最高级+复数名词， 表示最之一 The Yellow River is one of the longest rivers in China. Tom is one of the shortest boys in our class.9.比较
8、级+than+any other+单数名词（有other 强调在同一范围之内） He is heavier than any other student in his class.=He is the heaviest student in his class.五专项训练 A写出下列形容词副词的比较级最高级。 young _ _ nice _ _ far _ _early _ _ much _ _ delicious _ _ short_ _ late _ _ little _ _beautiful _ _ fat _ _ red _ _good/well _ _ old_ _ bad/bad
9、ly_ _friendly _ _ outgoing _- _ interesting _ _B用所给的形容词副词的适当形式填空。1. Tom is _ (tall) than Jim.2. Li Lei is _(young) boy in his class.3I think English is _ (interesting)than any other subject.4.David has _ (many)story books of all the students.5.Li Lei speaks English _(well) in his group.6.Lucy runs _
10、 (slow) than Lily.7.The air in my city is getting much _ (clean) now thanbefore. 8.- Which is the _(long) river in China? The Changjiang River.9.Lucy is as _(good)at sport as Lily,but Lily is a little _(tall).10.This watermelon is twice _( large) than that one.11.Whos the _ (funny) actor of the thre
11、e?12. Tina is _ (athletic) than Sam.13. Who runs _ (faster), Lucy or Han Mei14. The dolphin is one of the biggest _ (animal) in the world.15.The _ (many/much), the _ (good).16.It is getting _ (warm) and _ (warm).17. The _ (old) you are, the_ (much) you know about it.18. The Screen City is the _ (goo
12、d) theater in our town.C改正下列句子中一处的错误。1Tom comes to school late than Jim._2. Which do you like better , cats ,dogs,or chickens? _3. Who is oldest in our class? _4. He thinks math is importanter than Chinese._5. This work is very harder than that one._6.He lives farer than any other student in your cl
13、ass._D.Choose the best answer1 I have_to do today. A.anything important B.something important C.important nothing D.important something2 Is chemistry more difficult than physics？ - No，chemistry isnt as_as physics. A.easy B.difficult C.easier D.moredifficult3.Beijing is becoming_and_. A.more beautiful，moreB.beautiful，beautiful C.more，more beautiful D.more beautiful，more4._ children there are in a family，_their life will be. A.The less，the betterB.The fewer，the betterC.Fewer，richerD.More，poorer5.The ex
