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1、导学:形容词比较级1. 形容词的原级定义:表示人或事物的性质、或状态。用来修饰 或代词。1) 形容词修饰一般名词,位于名词作。这是一本有趣的故事书。This is an interesting story-book.2) 形容词修饰不定代词,位于不定代词作后置 定语。I have something important to do.我有重要的事要做。3) 形容词位于be动词之后作。她很漂亮。She is beautiful.翻译:中国是个伟大的国家。China is a country.我现在有空。我的电脑出了一些问题。2. 形容词比较级定义:用于两个人或事物的比较。形容词的比较级是 在形容词
2、原级形式的基础上变化的,分规则变化和不 规则变化。(一)规则变化如下:(1)单音节和部分双音节词1)一般在词尾加-ereg. great (原级)greater(比较级)2)以字母e结尾的词加-reg. wide (原级)wide r (比较级)3)以“辅音字母+y”结尾的双音节词,先把”y”改为“i”,再加 上-ereg. happy (原形)happier (比较级)4)以一个辅音字母结尾其前面的元音字母发短元音的形 容词的比较级是双写该辅音字母然后再加-ereg. big (原级) bigger (比较级)(2)部分双音节和多音节形容词的比较级需用more加在 形容词前面来构成。e.g.
3、 beautiful (原级) more beautiful (比较级) difficult (原级) more difficult (比较级)部分双音节和多音节形容词前如加less则表示 ”较不”,表否定,是more的反义词e.g. important 重要的less important较不重要的(二)常用的不规则变化的形容词的比较级 原级比较级goodbettermany/much more bad/ illworselittlelessfarfarther(further)oldelder (older)练习:写出下列形容词的比较级 highfunnyfatearlyshortinter
4、estingslowbadlateill3. 形容词比较级的用法:(一)当两个人或事物(A和B)进行比较时, 我们需要用到形容词的原级或者比较级(1)原级(同级)比较 表达“A和B一样”,用 as.as的结构。公式:主语(A)+系动词+as+形容词原形+ as +B E.g. 1)汤姆和我一样高。Tom is as tall as I (me).2)我的头发和她的头发一样长。My hair is as long as hers (=her hair)“as+形容词原级+as”等于“the same+名词+as” E.g. She is as heavy as me.=She has the s
5、ame build as me.中考链接:1) . Li Huas shoes are as as Zhang Huis.A. cheap B. cheaper C. the cheaper2) . She is as(busy) as a bee.A. busy B. busierC. the busiest D. more busy同义句转换:1) Lily is as old as Lucy.2) This room is as big as that one.(2).表达“A不如B用 not as/so.as的结构。公式:主语(A) +系动词+not + as/so+形容词原 级+as
6、+BEg. 1)汤姆没有我高。Tom is not as tall as I (me).2)我的头发没有她的头发长。My hair is not as long as hers.翻译:1)他没有我胖。2)黄河没有长江长。(3).表达“A 比B更.时”用比较级+than 的结构公式:主语(A)+系动词+形容词比较级+than+BEg.1)汤姆比我高.Tom is taller than I(me).2)我的头发比她的头发长。My hair is longer than hers.例句1是和 相比较。例句2是和 相比较。总结:同级比较是比较对象两者情况相同时进行的比较,用 的结构。当表示比较对象A
7、不如B时可以用 的结构来表示。当表示A比B更.时,用 的结构表示。注意:只有同类的事物才能比较T or F( )Her bag is bigger than mine.( )Her bag is bigger than I.( )The weather of Kunming is much better than that of Shenyang.( )The weather of Kunming is much better than Shenyang. As或than后面的代词用 或 的形式都可以。 比较级是两者相比,具有排他的特点。上海比中国其他任何城市都大。不可说:Shanghai i
8、s bigger than any city in China.应改为:Shanghai is bigger than any other city in China.上海比意大利的任何城市都大。Shanghai is bigger than any city in Italy.Exercises: translate the following sentences.(1) Amy 和 Linda 一样重。Amy is Linda.(2) 这棵树不如那棵树大。This tree isthat one.That tree is this one.(3) Jack的笔不如Tim的笔漂亮。Jacks
9、 pen is Tims.同义句:1) Jacks penTims.2) Jacks penTinfs.(4) 我的书包比Kate的大。My bag is than.(5) 汤姆比我聪明。(6) 露西比我们班上的任何学生都高Lucy isin our class(7) 吉姆比1班所有的同学都胖(吉姆不是1班的)Jim isin Class One.(二)形容词比较级的更多用法(1).比较级前面可以加上表示“优劣程度”的词或短 语,意思是“更.”,“.得.气常见词有much, a lot ,far, a great deal 表“得多even, still 表“更.,还要.”a little,
10、a bit 表“.一点”eg.1)他比我要瘦得多。He is much thinner than me.2)Lucy 比 Jenny 漂亮一点。Lucy is a little more beautiful than Jenny.想一想,这些词能修饰形容词的原级吗?翻译:南坪比沙坪坝远得多。Nanping is farther Shapingba.我的爸爸比我的妈妈高一点点。My father ismy mother.(2) .比较级前面可以加上表示具体数量差别的结构, 表示具体“大多少”,“小多少”,“长多少”,“短多少” 等。Eg. 1)我比我的妹妹大两岁I am two years ol
11、der than my sister.2)这幢建筑比那幢高5米。This building is 5 meters higher than that one.翻译:我比我的妈妈年轻25岁。I am younger than my mother.(3) . “比较级+and+比较级”表示“越来越.”。1) 天气越来越暖和。It is getting warmer and warmer.2) 我们祖国越来越美了。0ur country is becoming more and more beautiful.中考链接:1) Farmers have become in our hometownin
12、recent years.A. more and more richB. richer and richerC. more rich and more rich2) The number of the trees around my village is getting.A. larger and larger B. higher and higherC. more and more D. less and less(4). “the +比较级.,the +比较级.”表示“越.,就越.”,1) 多多益善。The more,the better.2) 你越细心,犯错就越少。The more ca
13、reful you are, the fewer mistakes you will make.中考链接:1) .exercise you take, ou,ll be.A. The fewer, the fatterB. The less, the fatterC. The less, the more fatterD. The less, the more fatter2) .The you work at your lessons, the results you will get.A. hard; good B. harder; goodC. hard; better D. harder; better(5). “the + 比较级.of the two.”表示“两个当 中较的一个”,表示两者相比较要用介词of。1)两个男孩儿中高的那位是我的哥哥。The taller of the two boys is my brother.2)两个女孩儿中,胖的那位是我的妹妹。Of the two girls, the heavier is my sister.填空:1) Who is(tall), the girl or the boy?2) He is(old) of the two brothers.