比较级和最高级

比较级和最高级 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。 Eg Li Lei is taller than Wang Jun. Eg her room is bigger than mine . Eg my classmate is fatter than me 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 或定语从句来限定比较的范围。 Li Lei is the tallest of all /in our class. Eg Eg This is the most interesting story that I have heard。 Eg she is the most beautiful girl in our class。 注意最高级之前一定要用the ,但副词之前可以省略。 Eg :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 , short—shorter—shortest slower—slowesrt slow— quick—quicker –quickest (以e 结尾的形容词和副词加—r –st , 2 nice—nicer –nicest late—later—latest 3(以辅音字母加y结尾的形容词副词变y为i再加--er ,--est, early—earlier—earliest 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 Eg :big—bigger—biggest (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/much—more—most good/well—better—best bad/badly—worse—worst little—less—least far—farther—farthest (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, beautiful—more beautiful—most 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 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 . 3(As+原级+as 和„„一样 not so/ as „„as 和„„不一样 She is as tall as her mother. I don’t run so fast as my brother. eg 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 gets hotter and hotter. is getting more and more beautiful. ? The girl 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„„”; better the environment will be，the more trees we plant every year. ? The ? The older you are, the more you will know about it 7.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 is much more expensive than a bicyle. ? A computer ? Today is a little colder than yesterday. one of + 最高级+复数名词， 表示最„„之一 8. ? The Yellow River is one of the longest rivers in China. ? Tom is one of the shortest boys in our class. 9.比较级+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. 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/badly______ _______ 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. 3.I 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 _____________ (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.Who’s the ___________ (funny) actor of the three? 12. Tina is ____________ (athletic) than Sam. 13. Who runs ___________ (faster), Lucy or Han Mei 14. The dolphin is one of the biggest __________ (animal) in the world. 15.The __________ (many/much), the __________ (good). 16.It is getting ________ (warm) and __________ (warm). are, the__________ (much) you know about it. 17. The __________ (old) you 18. The Screen City is the ___________ (good) theater in our town. C(改正下列句子中一处的错误。 1(Tom comes to school late than Jim.__________ 2. Which do you like better , cats ,dogs,or chickens? _________ Who is oldest in our class? ___________ 3. 4. He thinks math is importanter than Chinese.___________ 5. This work is very harder than that one._____________ farer than any other student in your class.____________ 6.He lives D. 选出正确的选项。 1.—Is chemistry more difficult than physics, —No，chemistry isn’t as____as physics. A.easy B.difficult C.easier D.moredifficult 2.Beijing is becoming_________and__. A.more beautiful，more B.beautiful，beautiful C.more，more beautiful D.more beautiful，more 3.______ children there are in a family，_____their life will be. A.The less，the better B.The fewer，the better C.Fewer，richer D.More，poorer 4.The experiment was ________ easier than we had expected. A.more B.much more C.much D.more much 5. Oct 15th was one of ____ days in 2003.The Shenzhou-V was sent up successfully. A.exciting B.more exciting C.the most exciting D.much exciting 8.―______ has this food store been in business, ―Since 2001. A.How long B.How often C.How old D.How soon 9.——What was the weather like yesterday, ——It was terrible.It rained so ___ that people could ______ go out. A.hardly„hard B.hardly„hardly C.hard„hardly D.hard„hard