形容词比较级的用法课件

1、什么是比较级当我们需要对事物作出比较时，需要用到比较级。比较级的句子结构通常是：（ ）+ 动词be (am , is , are ) + 形容词比较级 + than（比）+ （ ） Lets read!形容词的比较级构成规则变化不规则变化 一、形容词、副词的比较级构成的规则变化： 1、 一般在形容词、副词后加上er表示比较级 原级 比较级 1）small small 2) young young 3) fast fast er erer2、 以不发音的e结尾的，只加上r表示 比 较级。 原级 比较级 1) large large 2) nice nice 3) fine fine rrr3、以

2、辅音字母+y 结尾的，把y改为i,然后加上er表示比较级。原级 比较级 1）early early 2) happy happy ierier5 部分双音节和多音节的形容词，副词，在这些形容词和副词前加上more表示比较级。 原级 比较级 1) expensive expensive 2) careful careful 3) exciting exciting 4) boring boring 5) interesting interesting6) carefully carefully moremoremoremoremoremore二、形容词和副词比较级的不规则变化原级goodwell

3、bad(ly)illmanymuchlittlefarold比较级说明巧记：特殊形式比较级共有三对二合一坏病两多并两好little意思不是小一分为二有两个一是老来二是远better worseless more fartherfurtherolder elder 2、有些双音节和单音节形容词，既可以加er构成比较级，也可以加more 构成比较级。 friendly friendier more friendly huge huger more huge calm calmer more calm true truer more true clever cleverer more cleveri

4、mportant easy wet happycareful thin good hot easily many big heavy delicious 练习：写出下列词的比较级 more importanteasierwetterhappiermore carefulthinnerbetterhottermore easilymorebiggerheaviermore deliciousWhich country is larger?U.S.AAustraliaUSA is larger than Australia.Linda has longer hair than lucy.LucyL

5、inda（3）“比较级+and+比较级”表示 “越来越” eg:In spring,the days are getting longer and longer. 春天，天越来越长了。 She is more and more athletic . 她越来越健壮了。than 后面接代词时，一般要用主格，但在口语中也可以换成宾格。 eg: He is good at math than I (me). 他比我更擅长数学。(8)、用比较级形式表示最高级的意思:比较级+than any other+单数eg:He is taller than any other boy in his class.v

6、egetablespizzaWhich is more delicious,vegetables or pizza?(9)表示两者之间的选择， 可使用“Which who is+ 比较级，or?” Who is more popular,Beckham or Zhao Benshan?BeckhamZhao Benshan(10)形容词原级的常用句型Tom is as tall as Mike.汤姆和迈克一样高。as+形容词原形+asThere are as many students in our class as yours. 我们班有和你们班一样多的学生。Tom is as old as

7、 Mike.汤姆和迈克一样大。 否定 not as+形容词原形+as “和 不一样” 或 not so+形容词原形+as “不及不如 Lucy is not as tall as Mike.Lucy is not so tall as Mike.露西没有迈克那样高。（二）在比较级前面使用的修饰词有： even（更，更加），a little（有点）， far/ much/ a lot （更加，的多） eg: 1. Yesterday was hot, but today is even hotter. 2. Im a little taller than Mary. 3. This skirt

8、is far/ much/ a lot more beautiful than that one. 6. In our city its in July ,but it is even _in August . A. hotter; hottest B. hot; hot C. hotter; hot D. hot; hotter7. An elephant is than a tiger. A. Heavy B. very heavy C. the heaviest D. heavier8. Which subject is _ , physics or chemistry ? A. interesting B. most interesting C. more interesting D. the m