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1、 Unit 3Im more outgoing than my sister. Section A(Grammar Focus-3c) 【观察领悟【观察领悟】观察下列形容词和副词的比较级观察下列形容词和副词的比较级, 体会形容词和副词的比较级体会形容词和副词的比较级的规则变化有何规则。的规则变化有何规则。talltaller highhigher slowslowerfinefiner nicenicer latelaterbigbigger thinthinner fatfattereasyeasier funnyfunnier earlyearlierbeautifulmore beaut
2、ifulclearlymore clearly【知识构建【知识构建】形容词和副词的比较级形容词和副词的比较级(一一)形容词和副词比较级的构成形容词和副词比较级的构成1. 规则变化规则变化:单音节词和单音节词和部分双音节部分双音节词词一般在词尾加一般在词尾加-er以字母以字母e结尾的词加结尾的词加-r重读闭音节词词尾只有一个辅音字母重读闭音节词词尾只有一个辅音字母, 双双写该辅音字母再加写该辅音字母再加-er以以“辅音字母辅音字母+y”结尾的双音节词结尾的双音节词, 先把先把“y”改为改为“i”再加再加-er多音节词和部分双音节词在其前面直接加多音节词和部分双音节词在其前面直接加more2. 不
3、规则变化不规则变化:good/wellbetter bad/badlyworsemany/muchmore farfarther/further(二二)形容词和副词比较级的用法形容词和副词比较级的用法常见用法常见用法例句例句“比较级比较级+than”, 在这种句型在这种句型中中, 当当than前后所使用的动词前后所使用的动词相同时相同时, 通常用助动词代替后通常用助动词代替后面的动词。该动词或助动词面的动词。该动词或助动词可以省略可以省略I am stronger than you. 我比你强壮。我比你强壮。Bolt runs faster than the other players(do)
4、. 博尔特跑得比其他选手更快。博尔特跑得比其他选手更快。Which/Who. . . +比较级比较级, A or B? 表示表示“A和和B, 哪一个哪一个/谁谁更更? ”Which is newer, this pen or that pen? 这支钢笔和那支钢这支钢笔和那支钢笔哪一支更新笔哪一支更新? Who runs faster, Tom or Bob? 汤姆和鲍勃谁跑得更快汤姆和鲍勃谁跑得更快? 常见用法常见用法例句例句“比较级比较级+and+比较级比较级”意意为为“越来越越来越”Our homeland is becoming more and more beautiful. 我们的
5、家乡正变得越来越美丽。我们的家乡正变得越来越美丽。“the+比较级比较级, the+比较级比较级”意为意为“越越, 就越就越”The more careful you are, the fewer mistakes youll make. 你越细心你越细心, 你出错就越少。你出错就越少。注意注意: 在形容词和副词的比较级之前在形容词和副词的比较级之前, 可以用可以用much, a little, a lot修饰。修饰。He is much taller than me. 他比我高得多。他比我高得多。(三三)表示两者在某一方面相同或不同时表示两者在某一方面相同或不同时表示两者在某一方面相表示两者
6、在某一方面相同时同时, 用用“as+形容词或形容词或副词原级副词原级+as”的句型的句型I think science is as important as math. 我认为科学和数学一样重要。我认为科学和数学一样重要。Tom studies as hard as Jack. 汤姆和杰克学习一样努力。汤姆和杰克学习一样努力。表示一方在某一方面不表示一方在某一方面不及另一方时及另一方时, 用用“not as/so+形容词或副词原形容词或副词原级级+as”的句型的句型It is not as/so warm today as yesterday. 今天不如昨天暖和。今天不如昨天暖和。【学以致用【
7、学以致用】用所给词的适当形式填空。用所给词的适当形式填空。1. Her illness was(serious) than the doctor first thought. 2. Which is(good), this T-shirt or that one? 3. Tony is much(clever) than Tom. 4. China is becoming(strong) and(strong). 5. The (many) books you read, the(many) you will know. 答案答案: : 1. more serious2. better3. c
8、leverer/more clever4. stronger; stronger5. more; more. 单项选择单项选择1. David is twelve and Im ten. So David isthan me. A. oldB. olderC. youngD. younger2. An elephant isthan a monkey. A. heavy B. much heavierC. more heavierD. lighter3. Linda ishard-working at school than Lisa. A. very B. much C. more D. a
9、 lot4. Does Jim get up asas Alex? No. He gets upthan Alex. A. early; early B. earlier; earlierC. early; earlier D. earlier; early5. your cousin Annie more outgoing than you? No, she. I am more outgoing than her. A. Does; doesnt B. Does; doesC. Is; is D. Is; isnt. 根据图片提示完成句子根据图片提示完成句子 1. Emma hair than Emily. 2. Peter isthan Tony. 答案答案: : 1. has longer2. fatter/heavier 3. Jack isthan Bill. 4. Liu Bin is better at English than Li Lei. 5. Julie isoutgoingSarah. 答案答案: 3. older4. a little 5. more; than
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