形容词比较级的用法

Australia
USA is larger than Australia.
The Changjian River
Which river is longer?
The Yellow River
The Changjiang River is longer than the Yellow River.
Linda has longer hair than lucy.
C 5. The bread is ____ than these cakes A. very delicious B. much delicious C. more delicious D. as delicious
6. In our city it’s
D
in July ,but it is even _____in August . B. hot; hot D. hot; hotter
Yangzhen Middle School
Liu Qingபைடு நூலகம்
Good , better , best, Never let it Till And good rest .
is better,
better , best .
好上加好，直到最好；
精益求精，永无止境。
Let’s read!
一、形容词、副词的比较级构成的规则变化：
形容词的比较级
一： 用法 ⑴用于两者（人或物）之间，表示“其中一个比 另一更……”或“较……”，后面通常用连词than 连结另一个比较的对象，其基本句型是： 主语＋谓语（系动词/行为动词）＋形容词比较级 （+其它）＋than＋对比对象。 eg:
Which country is larger?
U.S.A
eg:He is taller than any other boy in his class.
(9)表示两者之间的选择， 可使用“Which \who is+ 比较级，…or…?”
vegetables
pizza
Which is more delicious,vegetables or pizza?
练习：写出下列词的比较级
important easy wet happy careful thin good hot easily many big heavy delicious more important easier wetter happier more careful thinner better hotter more easily more bigger heavier more delicious
（6）表示倍数时用:“…times（倍，
倍数）+比较级+than…”或 “…times as+原级+as…” eg:My room is three times bigger than yours. 我的房间比你的大三倍。 My room is four times as big as yours. 我的房间是你的四倍。
（4）“The +比较级…，the +比较级”表示“越……， 就越……” eg：The busier he is ,the happier he feels. 他越忙就越高兴。 （5）形容词比较级前可加数词，表示“大（小）……多 少”“长（短）……多少” eg:He is five years younger than me. 他比我小五岁。
Lucy
Linda
⑵than 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。
（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，日子越来越长了。 She is more and more athletic . 她越来越健壮了。
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
further
old
older elder
三、部分形容词和副词的比较级的特殊情况：
1、某些单音节形容词，加more 构成比 较级。
glad – more glad
pleased – more pleased tired – more tired
A. hotter; hottest C. hotter; hot 7. An elephant is
D
than a tiger.
A. Heavy
C. the heaviest
B. very heavy
D. heavier
8. Which subject is _____ , physics or chemistry ? C A. interesting B. most interesting C. more interesting D. the most interesting
5) interesting
6) carefully
more interesting
more carefully
二、形容词和副词比较级的不规则变化
原级 比较级 good better well bad(ly) worse ill many more much less little far farther
（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. I’m a little taller than Mary. 3. This skirt is far/ much/ a lot more beautiful than that one.
Who is more popular,Beckham or Zhao Benshan?
Beckham Zhao Benshan
①as+形容词原形+as Tom is as tall as Mike.
汤姆和迈克一样高。
Tom is as old as Mike.
汤姆和迈克一样大。
There are as many students in our class as yours. 我们班有和你们班一样多的学生。
3 、以辅音字母+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
2) happy
early ier
happy ier
4 、 重读闭音节结尾、且末尾只有一个辅音 字母，双写最后一个辅音字母，然后加上 er表示比较级。 原级 1） big 2) thin 3) wet 4) fat 5) hot 比较级 bigger thinner wet ter fat ter hot ter
Follow ups(随堂练习)
B 1、The Changjiang River is ____ than any other river in China. A. shorter B. longer C. shortest D. longest B 2、Bob never does his homework ____ Mary. He makes lots of mistakes. A. so careful B. as carefully as C. carefully as D. as careful as D D 3、____ she is, ____ she feels. A. The more busy, the more happy B. The busy, the happy C. Busier, happier D.The busier, the happier 4、The weather is getting c____ a__ c____ .(越来越冷) older nd older
1、 一般在形容词、副词后加上er表示比 较级 原级
1）small
比较级
small er young er fast er
2) young
3) fast
2 、 以不发音的e结尾的，只加上r表示 比 较级。 原级 1) large 2) nice 比较级 larger nice r
3) fine
finer
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 huge calm true clever – – – – – friendier \ more friendly huger calmer truer cleverer \ more huge \ more calm \ more true \ more clever
5 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 2) careful 3) exciting 4) boring more expensive more careful more exciting more boring
②否定 not as+形容词原形+as
或
“和… 不一样” 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. 原级和比较级前面通常使用的修饰词： （一）在原级前面通常使用very, quite, too, much too, a little, as, so 等。 eg: 1. The room is very big. 2. The person is quite clever. 3. Today is too hot. 4. He eats too much, so he’s much too heavy. 5. He is a little angry.
(7)、 the + 比较级 + of the two 两个中比较……的
eg:这支手表是两个中比较便宜的。 This watch is the cheaper of the two. 他是这两个人中比较高的一个。 He is the taller of the two.
(8)、用比较级形式表示最高级的意思: 比较级+than any other+单数