形容词副词比较级最高级讲义.doc

形容词/副词比较级和最高级一、考点归纳1、 基本用法：1） 当两种物体之间相互比较是，要用到比较级，通常与than连用Eg: He is two years older than me.2） 当三个或三个以上物体比较时，要用最高级，前面要加定冠词the。Eg：He is the oldest in our class.2、 形容词/副词的比较级和最高级的变化规律：1）单音节后直接加-er或-estTall-taller-tallest; fast-faster-fastest2）以e结尾的单音节形容词、副词后直接加-r或-stLarge-larger-largest; nice-nicer-nicest3） 以y结尾的，改y为i再加-er或-estBusy-busier-busiest; early-earlier-earliest4） 重读闭音节结尾，双写最后的辅音字母，再加-er或-estHot-hotter-hottest; big-bigger-biggest5） 多音节形容词、副词，前面直接加more或mostBeautiful-more beautiful-most beautiful; Interesting - more interesting- most interesting6） 部分不规则变化原级比较级最高级good/wellbetterbestbadworseworstmany/muchmoremostlittlelessleastfarfarther/furtherfarthest/furthestoldolder/elderoldest/eldest二、常用句型1） 原级：l 肯定as+原级+as eg：Mary is as tall as lily.l 否定not as/so+原级+as eg：He is not as/so hard-working a student as you.l 形容词与单数可数名词连用as/so+原级+a/an+单数名词+as eg: She is so young and beautiful a girl as you.l 表示倍数/分数关系倍数/分数+as+原级+as eg: The man is twice as old as my father.2） 比较级l 一般句型：(not)比较级+than eg: She is better than I(me) at swimming.She is more beautiful than lily.She is less beautiful than lily.注意：no+比较级+than=as+比较级的原级的反义词+aseg: The weather is no better than last month.=The weather is as bad as last month.l 比较级+比较级“越来越”:better and better; more and more beautifuleg: Our country is becoming better and better.l The+比较级，the+另一个比较级“越，就越”eg: The more you paid, the more you gained.l The+比较级+of the+两者“两者中较的那一个”（the不能省）eg: Of the two shirts, Id like to choose the less expensive one.3） 最高级l 一般句型：the+最高级eg: He is the tallest boy in my class.l One of + the+最高级+名词复数eg: China is one of the largest countries in the world.注意：1、表示“最高程度”的形容词：excellent、extreme、perfect等，没有最高级，也不能用比较级。 2、作状语的副词最高级前可以不加定冠词。eg: Friday is their busiest day.三、比较级、最高级修饰词1、比较级：可用much、a little、even、still等修饰。eg: The weather here is much warmer than that of Shanghai.2、最高级：可被序数词以及much、by far、nearly、almost、not quite、not really、nothing like等修饰。eg: How much did the second most expensive hat coat? This hat is much/almost/nothing like the biggest.四、巩固练习1. The Chang Jiang River is the third _ river in the world. A long B longer C longest D the longest 2. An elephant is _ than a horse. A more strong B much stronger C the most strong D much more strong 3. Which do you like _, tea, orange or water?A good B Well C Better D Best4. Why dont you like winter in Beijing?- Because it is _winter in Guangzhou. A as cold as B much colder than C not so cold as D not colder than 5. The boy doesnt speak _his sister , but his written work is very good. A as well as B so good as C more better than D more worse than6. Though the player is over thirty, he can still run _some younger players. A as fast as B so fast as C much fast than D more faster than 7. The boy doesnt dance _the others , but he sings best of all. A as well as B so good as C more worse than D more better 8. It was very hot yesterday, but it is _today. A even hotter B more hotter C much m