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1、 bigbiggerthe biggestfastfaster the fastestyoungyounger the youngestTeaching aims(学习目标) n复习并掌握形容词与副词的比较级和最高 级的构成。n复习并掌握形容词与副词的比较级和最高 级的用法。一、形容词和副词比较级和最高级的构成 1、规则变化构 成 方 法原 级比 较 级最 高 级单音节 词和少 数双音 节词一般在词词尾加-er或-estsmallsmallersmallestfastfasterfastest以字母e结结尾的，加-r或-stnicenicernicestlargelargerlargest以一
2、个辅辅音字母结结尾的重读读 闭闭音节节，应应先双写辅辅音字母 ；再加-er或-estbigbiggerbiggesthothotterhottest以“辅辅音字母+y”结结尾的双音 节词节词 ，先改“y”为为“i”,再加-er 或-esteasyeasiereasiestearlyearlierearliest多音节 词和部 分双音 节词在词词前加more或mosttiredmore tiredmost tiredeasilymore easilymost easily原级比较级最高级 good / wellbetterbestbad / badly/illworseworstmany / m
3、uchmoremostlittlelessleast farfartherfarthestfurtherfurthest一、形容词和副词比较级和最高级的构成2、不规则变化二、形容词和副词的比较级的具体用法 1、表示两者（人或物）的比较，即“比更”时， 用“比较级+ than”结构eg:The earth is bigger than the moon.It is colder in Beijing than in Shanghai.Who is taller, Lucy or LiLi?Jhon runs faster than Mary. 2、比较级前可用 much, a little, a
4、 lot, a bit, even, still,far等 说明比较的程度，也可以用表示数量的词说明比较的差 额。eg:This room is much bigger than that one.This question is a little more difficult than that one.Im two years younger than you. He is a head taller than his brother. Im younger than you by two years.He is taller than his brother by a head.3、用“
5、比较级+ and +比较级”结构。表示“越来越”eg:Things are getting better and better.She is becoming more and more beautiful.It is getting hotter and hotter. 4、“The +比较级,the +比较级”表示“越,就越” eg:The more friends we have, the happier we can feel. The more you eat, the fatter you will be.The more you learn ,the more you will
6、know . 5、比较级相比的两项应当相同或相当。eg:Her pronunciation is better than her brothers.Our classroom is bigger than theirs. 6、可用“比较级+than any other+单数名词”来表达最高级的意思。eg:He is taller than any other student in his class . He is the tallest student in his class.China is bigger than any other country in Asia.China is t
7、he biggest country in Asia.三、形容词和副词的最高级的具体用法 1、表示三者或三者以上中“最”时常用形容词或副词的最高级 。形容词最高级前用定冠词the,副词最高级前可加the,也可不 加eg:Which tape recorder is the best of the three?He is the tallest boy in his class.He jumped (the) highest of the three boys.She works (the) hardest of all. 2、使用最高级时常用由in /of 引导的介词短语作修饰语，表示 范围。
8、但如果上下文已作交代，或说话的双方都能理解所指范 围，则可不用修饰语。eg:Where is the nearest subway station?Who lives ( the) nearest to the school?The Yellow River is the second longest river in China. 4、“One of the +最高级+名词”表示“最之一”。形容 词最高级后的名词用复数形式。 eg:This is one of the best movies I have ever seen.Beijing is one of the biggest cit
9、ies in China.He is one of the best students in our class.四、形容词和副词的原级句型。1、表示“和一样”时，常用“as+原级+as”结构。eg: He is as strong as a horse.I am as old as you.They study as hard as Jane. 2、表示“和不一样”“不如.”时，常用“not so/as +原级+as”结构。eg: The work is not so / as easy as you think.This flower is not so / as beautiful as
10、 that one.She doesnt swim so / as well as you.Exercises（随堂练习）1. Tom is _ than Jhon.A. thin B. thiner C. thinner 2. Which subject is _ ,physics or chemistry?A. interesting B. more interesting C.the most interesting. 3. A horse is _ than a dog.A. much heavy B.more heavier C. much heavier 4.In our city
11、 its_ in July,but it is even _ in August.A. hotter,hottest B.hot, hotter C.hotter,hot 5. Which is _ seaon in Beijing?A. better B.good C.the bestCBCBC6. Lin Tao jumped _ in the long jump in the school sports meeting.A. farther B. farthest C. quite far 7. When winter comes, the days get _.A. short and
12、 short B. shorter and shorter C. longer and longer 8. It takes _ time to go to Beijing by plane than by train.A. more B. fewer C. less 9. This story is not _ as that one.A. more interesting B. less interesting C. so interesting 10.What do you think of Toms speaking?- No one does _ in our class.A. go
13、od B. better C. well D. best11. If you check it again _, I believe you wont make so many mistakes next time.A. more careful B. much careful C. more carefully D. much carefully 12. Do you like this movie?Yes, its the _ one Ive ever seen.A. better B. best C. good D. well 13. The students have a _ time
14、 at Anns birthday party.A. wonder B. wonders C. wonderful D. wonderfully 14. There is a smile on Miss Gaos face. She must be _ with Sams work.I think so. No one did as _ as him in our class.A. angry; well B. pleasing; good C. strict; good D. pleased; wellBBCDCCBCD完成句子 1、他比丹尼尔稍稍强壮一点。He is _ _ _ _ Dan
15、iel. 2、桥的父亲比母亲大五岁。Joes father is _ _ _ than his mother. 3、我们的学校比他们的大得多。Our school is _ _ than theirs. 4、如今学习英语越来越重要。Nowadays, learning English is becoming _ and _ _. 5、广州变得越来越干净。Guangzhou is becoming _ _ _. 6、数学和语文一样重要。Maths is _ _ _ Chinese. 7、所以的问题中，你的最容易。Your question is _ _ of all. 8、你读得越多，收获就越多。_ _ you read, _ _ you will get. 9、他的
