形容词和副词的比较级和最高级
构成:规则变化
构成方法 原级 比较级 最高级
单音节词和部分双音节词 一般在词尾加-er或-est high tall higher taller highest highest
以字母e结尾的词,在词尾加-r或-st long wide longer wider longest widest
重读闭音节词刺猬只有一个辅音字母时,先双写该辅音字母,再加-er或-est big thin fat hot bigger thinner fatter hotter biggest thinnest fattest hottest
以“辅音字母+y”结尾的双音节词,先把“y”改为“i”,再加-er或-est easy pretty funny early easier prettier funnier earlier easiest prettiest funniest earliest
多音节词和部分双音节词 在词前加more或most beautiful outgoing more beautiful more outgoing most beautiful most outgoing
不规则变化
原级 比较级 最高级
good/well better best
bad/badly worse worst
many/much more most
little less least
far farther farthest
further furthest
1)比较级表示两者之间的比较,比较级之前可以用much,a little, a lot, rather等修饰,表程度;常用句型结构有:
①A+ be/谓语动词 +比较级+ than B(A比B……)
②比较级+and +比较级(越来越......) 如:better and better 越来越好
③The + 比较级,the +比较级 (越.....就越......) 如:The more, the better.
④比较级表示最高级含义 :形容词/副词的比较级+than+any other+单数名词
如:Tom studies better than any other student in his class.
汤姆比他班上的其他任何一个学生学习都好。/汤姆是班上学习最好的学生。
2)最高级表示三者或三者以上的比较,形容词最高级的前面一定要加the,副词最高级前的the可以省略;常用句型有:
①Which/who+be+the+形容词的最高级,A、B or C
如:Who is the tallest, Tom, Bill or Jim
② A+be/谓语动词+the+形容词/副词的最高级+(of/in...)+范围(最……的)
如:John runs fastest in his class. / John runs fastest of all the students.
3)最高级的特殊用法
①...one of+the+形容词最高级+复数名词(最……的之一)
如:China is one of the largest countries all over the world.
②...the+序数词+形容词的最高级(第几……的……)
如:The Yellow River is the second longest river in China. 黄河是中国第二长河。
4)表示两者在某一方面相同时,用“as+形容词或副词原形+as”的句型,否定形式“not so/as+形容词或副词原型+as”。如:Tom doesn’t run as/so fast as Jack.
倍数表达
1)A+ be/谓语动词+倍数+as+ adj/adv(原级)+as + B
2)A+ be/谓语动词+倍数+形容词/副词比较级+than+ B
This elephant is almost two times as tall as this panda.
This elephant is almost two times taller than this panda.
Exercise
根据语境,在空白处填入适当的内容(1个单词)或根据括号内所给单词的适当形式填空。
Qomolangma is known as the ________ (high) mountain in the world.
The Yangtze River is the third ________(long) river all over the world.
Bob is __________(young)than Fred but ________(tall) than Fred.
Which watch is ________(cheap), this one or that one
The weather is getting________ and _________(good) recently.
The_______(early) kids learn to be independent, the_______(good) it is for their future.
Practice as _______(much) as you can.
Most of the students think a lion is much __________________(dangerous) than a bear and it is the _________________(dangerous) animal in the world.
Asia is four times as ______(large) as Europe.
10.The elephant eats many _________(time) more than the panda.
根据中文意思,补全英文译文。
撒哈拉沙漠是世界上最大的沙漠。
The Sahara is larger than _______ _______ _______.
我相信我们的国家会越来越强大。
I believe our country will be _________ ________ ____________.
这个会议室是我们办公室的三倍大。
The meeting room is ______ ________ as big as our office.
长城是最欢迎的名胜古迹之一。
The Great Wall is ______ ______ ______ most popular places of interest.
这本字典恰好是那本字典的5倍贵。
The dictionary is exactly ________ ________ ________ _____________ than that one.
阅读下列材料,根据括号里所给单词的正确形式填空。
There 1.____(be) three noodle shops near our school. They are Jack’s, Bob’ s and Dave’s. They are all good, but there are some 2._________(difference). Jack’s noodle is the 3. ________(cheap). Bob's noodle is 16 yuan a bowl, which is two times as 4.____________(expensive) as Jack’s. But it’s noodle quality is the 5.______(good). Dave’s service is much 6._______(friendly) than any other restaurant. It’s one of the most popular 7.____________(restaurant) in the town. Jack's service is the 8.______(bad) among them, so I don't recommend you to eat there. I like Dave's best, because you can have a better experience by spending 9._____ (little)money.