A、原级
同级比较:“和……一样”
肯定:as …as
否定:not as……as或not so……as 不如......
中间要加 adj/ adv的原级
1.The question is as easy as that one.
2.Please do your homework as carefully as your sister.
和比较级的转换:
Lucy isn’t as outgoing as Mary.(同义句转换)
Mary is more outgoing than Lucy.
B、比较级:
一、修饰比较级的词:
常修饰比较级的词:a lot,much,a little,a bit ,even, far
二.注意事项:
1.比较对象一致.Her hair is longer than Mary's.
2.为避免重复,可用that或those代替前面提到的词,而且that/those不能省.
The weather in Hainan is warmer than that in Beijing.
比较级最高级变化规则:
(1)规则变化:
1.一般情况:在词尾+er/est tall--taller--tallest
2.以不发音的e 结尾+r/st large--larger--largest
3.重读闭音节1元+1辅结尾,双写辅音字母+er/est fat--fatter--fattest
4.辅音字母+y结尾的,变y 为i+er/est
5.多音节和部分双音节(后缀ed/ing/ly),词前+more/most
(2)不规则变化:
good/well(好的/地)-better-best,
bad/badly(坏的/地)-worse-worst
many/much(多的)-more-most
little(小的,少的)-less-least
far-farther/further-farthest/furthest
old-older/elder-oldest/eldest
四、比较级的用法:
1.主语 +谓语 +比较级+than+比较对象
A比B...
Tom is taller than Kate.
Tom runs faster than Kate
2.倍数表达
1)倍数+比较级+than+B
A 是B 的几倍
This room is 3 times bigger than that one.
2)倍数+as...as...
This room is 3 times as big as that one.
3.越来越...
比较级+and+比较级
(多音节词)more and more +原级
It is getting cooler and cooler.
The flowers are more and more beautiful.
4.越...,越...the+比较级,the+比较级
The more you eat,the fatter you will be.
The more careful you are,the fewer mistakes you 'll make.
5.A+be+the +比较级+of the two boys/girls/twins(双胞胎)
A是两者中较...的
Tom is the taller of the two boys.
6.疑问词+谓语动词+比较级,A or B?
Which is bigger,A or B?
Who draws better,Lily or Lucy
7.比较级+than any other 单数名词=比较级+than the other +可数名词复数形式。
China is larger than any other country in Asia.(亚洲)
China is larger than the other countries in Asia.
China is the largest country in Asia.
8.否定比较,表示不及另一方时,less +原级+than...不如...,没那么...
The park is less beautiful than that one.
C、形容词副词最高级:
用于三者或三者以上的人或事物相比较。
1.标志词:表比较范围时用in/of/定语从句(I have ever seen)
2.形容词最高级前一般加定冠词the,但最高级前有物主代词(my...),指示代词(this...)名词所有格(Tom's...)修饰时,不加the.
3.最高级的常用句型:
1)主语+be+the +adj.最高级 + in/of 短语 ,意为“ ......是...... 中最...... 的”
of 后 一般接表示一群人或事物的代词或名词;
in 后一般接表示单位或场所的名词 。
Tom is the tallest boy in his class.
主语+实义动词 +adv.最高级 +in /of 短语
Tom works (the) hardest in the class.
2) 主语+ be + one of +形容词最高级+可数名词复数,“ ......是 ......中最......的......之一”
Beijing is one of the largest cities in China.
Shanghai is one of the most beautiful cities in China.
3) 疑问词 + be +the +adj.最高级+ A,B or C 用于三者或三者以上的比较。
Which country is the largest, China , England or US
疑问词+助动词+主语+动词原形 (the) +副词最高级,A,B or C?
Which city do you like best, Beijing ,Shanghai or Guangzhou
4) “序数词+形容词最高级+可数名词单数”表示“第几......”。如:
The Yellow River is the second longest river in China.
黄河是中国第二大河。
比较级、最高级专项练习
一、写出以下各形容词的比较级和最高级:
1.far __________ 2. fat ________________
3. slow________________ 4. dry ____________________
5. happy ________________ 6. wet ____________________
7. much _________________8. ill ___________________
9. little _________________
10. bad _________________
11. thin ________________
12. careful_______
二、根据句意,用所括号内所级形容词的比较等级形式填空:
1. Of the two boys, I find Tim is _______ (clever).
2. Tom is _________ ( young ) than Fred but ___________ (tall) than Fred.
3. Saturday is my _________ (busy) day in a week.
4. Gold is ______ (little) useful than iron.
5. My sister is two years _______ (old ) than I.
6. Almost all the students' faces are the same but Li Deming looks _______(fat) than before .
7.Which is _________ (heavy), a hen or a chicken
8. Your classroom is __________(wide) and _________(bright) than ours.
9. Practice as __________ (much) as you can.
10. The ________ (much), the ____________ (good).
11. Your classroom is __________(wide) and ___________(bright) than ours.
12. I think it' s too expensive. I' d like a _____________ (cheap) one.
13. Annie says Sally is the ___ _____ (kind) person in the world.
14. The boy is not so ______ (interesting) as his brother.
15. Dick sings _____ (well), she sings ______(well) than John, but Mary sings______(well)
16.He is one of the_______ __(friendly) people in the class, I think.
17. A dictionary is much (expensive) than a story-book.
18. An orange is a little __ __ (big) than an apple, but much _ __ _ (small) than a watermelon.
19. Sue is a little ________ (beautiful) than her sister.
20. My room is not as _________ (big) as my brother' s.