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专题二 形容词比较级和最高级

发布时间:2014-02-06 11:50:24  

万川教育·博学堂

专题二 比较级和最高级

重点短语

1. the singing competition唱歌比赛 2. the most important最重要的

3. be talented in music在音乐上有天赋 4. care about关心,介意

5. (be) like a mirror像一面镜子 6. get better grades取得更好的成绩

7. bring out (the best in sb.)使(某人最好的一面)显现出来

8. reach for…伸手去取 9. touch one’s heart感动某人

10. in fact事实上,实际上

11. the other其他的 12. as long as 只要

一.形容词比较级和最高级变化规律

1. 单音节形容词后加-er,以不发音的e结尾加-r 或st;

short—shorter---shortest nice—nicer---nicest

2. 辅音字母+y结尾的双音节词,改y为i加-er;

heavy—heavier---heaviest happy—happier---happiest

3 末尾是辅元辅结构,且重读,双写末尾的辅音字母再加-er;

big—bigger---biggest hot—hotter---hottest

4. 部分双音节词和多音节词在前面加more;

athletic—more athletic----most athletic

5. 部分形容词不规则变化

good—better---best

写出下列单词的比较级和最高级

smart good quiet bad tall hard short old young friendly funny big early heavy angry fat serious thin outgoing wild

二、 形容词各等级的用法:

1.原级(同级)比较:as…as…; not as(so)…as…

We’ll give you as much help as we can.

She isn’t as(so)active in sports as before.

(1)“A…+as+形容词原级+as+B”

He is as tall as me.他和我一样高。

English is as interesting as Chinese.英文和中文一样有趣。

You’re a boy as good as Tom.=You’re as good a boy as Tom. 你和汤姆是一样好的孩子。

(2)否定句中的结构:

万川教育·博学堂

“A…not+as/so+形容词原级+as+B”

It is not as/so good as what you said.那没有你说的那么好。 比较级:(1)两个人或事物的比较

主语+谓语(系动词)+ 形容词比较级+than+ 对比成分。

Lily’s room is bigger than mine.

The weather in Beijing is colder than that in

Hainan.

否定用not+比较级+than 或less than

question is less difficult /not more difficult than that one.

(2)表示两者之间比…… 更……可用状语 a little,a bit,a lot,a great deal , much,even,still,far,rather,any等修饰:

He made much fewer mistakes than I did.

He is even richer than I.

(3)表示两者之间进行选择“哪一个更.....”时,用句型“which/who is +形容词的比较级,A or B? ”表示。

Who is taller,Li Ming or Wang Tao?

(4) 如果在两者之间表示“最……”时要在比较级前加the,而且还用of the two, of the pair短语: John is the clever of the two boys.

Of the two boys, John is the clever.

(5)表示“越来越.......”,用比较级重叠结构,即“比较级+and+比较级”,当形容词为多音节词或部分双音节词时,用“more and more +形容词原级。”

It’s getting warmer and warmer in spring.

(6)表示“越.....越......”时,用“the +比较级,the +比较级”。

The more,the better.

重点词汇讲解

1.① both+名词复数形式,后面的谓语动词用复数形式:Both my parents are doctors. ②both of后接名和代,名词前要加the或形容词性物主代词:Both of us like paragliding. ③both…and… 既?又?,?和?都;连接两个并列成分,谓语动词动词用复数。 Both Mary and I sing well.

2. make ①make sb. do sth.=let sb. do sth.让某人做某事 Don’t make me laugh. ②make+宾语+adj.(形)使宾语怎么样:The story made us happy.

课堂练习

1. He isn’t as tall as I. (变为同义句)

万川教育·博学堂

I’m _______than him.

2. Shanghai is the biggest city in China. (变为同义句)

Shanghai is ______than _________city in China.

3. Tim is Ten. Tom is Thirteen. (合为一句)(句意不变)

Tom is three years _____ than Tim.

4. They both work hard at English. (变为同义句)

______work hard at English.

5. Tom is two meters tall, Jack is two meters tall, too.(合为一句,句意不变) Tom is __________Jack.

3.最高级:(1)形容词最高级用于两个以上的人和物进行比较, 形容词最高级前必须加the, 副词最高级前常省略the,后面多用of……, in……短语表示范围:

It was the most/least interesting story I have ever listened.

He is the tallest of the three.

(2)表示三或三者以上的人或物中进行选择“哪一个最....”时,用句型“which/who is +the +最高级,A ,Bor C? ”表示。

Which city is the most beautiful,Beijing,Shanghai or Fuzhou?

(3)表示“最.....的.....之一”时,用“one of the +形容词最高级”结构,该形容词后用复数形式。 Zhou Jielun is one of the most popular singers.

(4)形容词最高级前可以加序数词,表示“第几最........”.

The Yellow River is the second longest river in China.

(5)被物主代词,指示代词,名词所有格修饰时,前边不再加the

China's biggest city is Shanghai.

Fishing is his latest hobby.

三、 重点与难点:

1、 as…as…结构:

(1)“A…+as+形容词原级+as+B”

He is as tall as me.

他和我一样高。

English is as interesting as Chinese.

英文和中文一样有趣。

You’re a boy as good as Tom.=You’re as good a boy as Tom.

你和汤姆是一样好的孩子。

(3)否定句中的结构:

“A…not+as/so+形容词原级+as+B”

It is not as/so good as what you said.

那没有你说的那么好。

2、 (1)too…to与 so…that sb.can’t…的句型转换:前者为简单句,主语只有一个,而后者为复合句,主语有两个,试比较:

The man was too angry to be able to speak.

The man was so angry that he wasn’t able to speak.

The milk was too hot to drink.

The milk was so hot that we can’t drink it.

(2) too…to…与 not enough to

万川教育·博学堂

句型的转换:

He is too young to get married.=He is not old enough to get married.

The book is too difficult for me to read.=

The book is not easy enough for me to read.

3、 形容词原级表示比较级含义:

约翰不象迈克那么苯。

John is not so stupid as Mike.

John is less stupid than Mike.

John is cleverer than Mike.

4、 用比较级表示最高级:约翰是班里最高的男生。

John is taller than any other boy in the class.

John is the tallest boy in the class.

John is taller than :any other boy.

5、 the more….. the more….表示“越……越……”:

The more books you read, the wider your knowledge is.

The more food you eat, the fatter you are.

6、 more and more….表示“越来……越……”:

More and more students realized the importance of a foreign language. Our country is getting stronger and stronger.

7.倍数表达法:

(1) A is 倍数 as +原级+ as B

Asia is four times as large as Europe.

(2)A is 倍数 + 比较级 +than + B

Asia is three times larger than Europe.

(3)A is 倍数 + 名词 + of B

常见名词:the size/weight/height/width/length

The table is twice the length of the desk.

(4)A is 倍数 + what从句

The production is now three times what it was three years ago. 同步演练

( ) 1. I am twelve; Mike is fourteen; Mary is thirteen. So Mike is the ___ of the three.

A. old B. older C. oldest D. the oldest

( ) 2.My ____ brother is three years ____ than I.

A. elder; elder B. older; oldest C. elder; older D. older; elder

( ) 3. His ____ son often go to see him on Sunday.

A. eldest B. older C. the eldest D. the older

( ) 4. He is two years ___ than I.

A. elder B. smaller C. younger D. less

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