比较级结构课件.ppt

1、1.多个形容词的顺序多个形容词的顺序2.比较等级应注意的问题比较等级应注意的问题3.英语的倍数问题英语的倍数问题 限定词（冠词、指示代词、物主代限定词（冠词、指示代词、物主代 词、不定代词等）词、不定代词等）序数词序数词 数量词数量词 描绘性（外观描绘性（外观形状形状:大小、长短）大小、长短）性质性质年龄新旧年龄新旧颜色）颜色）类属形容词（国籍、民族、学派或类属形容词（国籍、民族、学派或 专有名词等）专有名词等）材料、质地形容词或名词材料、质地形容词或名词 用途名词、动名词用途名词、动名词 中心名词中心名词little,old 和和young 有时可以作为名词短语不有时可以作为名词短语不可分割

2、的一部分可分割的一部分,所以可以直接放在名词之前所以可以直接放在名词之前,例如例如:a lovely little girl 1.Radio,television and press_ of conveying news and information.A.are the most three common means B.are the most common three means C.are the three most common means D.are three the most common meansC比较等级应注意的问题比较等级应注意的问题一、范围问题一、范围问题1.比较级

3、要把自身排除在比较范围之外比较级要把自身排除在比较范围之外 China is larger than any other country in Asia.China is larger than any country in Africa.2.最高级要把自身包含在比较范围之内最高级要把自身包含在比较范围之内 *Mary is the tallest of all her classmates.(误误)Mary is the tallest(of all the students)in the class.Mary is the tallest among the students.二、替代问题

4、二、替代问题 一般只出现在比较级结构中一般只出现在比较级结构中 Summer in Lanzhou is not so hot as that in Beijing.My room is brighter than the one next door.三、冠词问题三、冠词问题比较范围是由比较范围是由OF引出的两者之间的引出的两者之间的比较，那么比较级前要用冠词比较，那么比较级前要用冠词(即即“the形容词比较级形容词比较级of”结构结构）。如：）。如：1)Of iron and gold,the former is the more useful.(Iron is more useful th

5、an gold).2)Tom is the taller of the two boys.3)This book is the more expensive of the two.最高级前不用定冠词的情况最高级前不用定冠词的情况 1.假如形容词最高级形式用于假如形容词最高级形式用于“十十 分分”、“非常非常”、“很很”等意义；等意义；(most)2.或者作表语用的最高级形容词，如或者作表语用的最高级形容词，如 不表示和他人、他物相比较，只是不表示和他人、他物相比较，只是 说明本身情况的变化；说明本身情况的变化；3.或在最高级前有了物主代词时，不或在最高级前有了物主代词时，不 用定冠词；用定冠词

6、；4.最高级副词前面常常省略定冠词最高级副词前面常常省略定冠词It is most beautiful!(most=very)She was a most diligent.Monday is my/his/her busiest day.We we are busiest on Sundays.Mary sings best among the girls.试比较下列两例：试比较下列两例：The lake is deepest at this point.这个这个湖这点最深。湖这点最深。(此句中只是说明这个此句中只是说明这个湖的本身的一些情况，无与别的物湖的本身的一些情况，无与别的物湖相比之

7、意。湖相比之意。)The lake is the deepest in the world.这这个湖在世界上是最深的。个湖在世界上是最深的。(与世界上其它湖相比与世界上其它湖相比)四、四、修饰语的位置修饰语的位置1.表示程度的形容词或副词的比较级表示程度的形容词或副词的比较级可以有各种修饰语可以有各种修饰语，其位置如下：其位置如下：A.as.as 结构之前结构之前 You can run twice as fast as I.The room is nearly as big as that one.I dont speak half as well as you do.B.“betterth

8、an”结构之前结构之前1)He speaks far more fluently than I (do).(而不说而不说.more far fluently)2)The room is four times lager than that one.3)My brother is three years younger than I.C.修饰比较级的某些词或词组修饰比较级的某些词或词组,可以与可以与 by构成短语置于句末。如构成短语置于句末。如:1)He is younger than I by much.2)She is cleverer than you by a great deal.3)

9、She arrived earlier than I by five minutes.4)His explanation is clearer by far.5)She is by far the better actress.Americans eat _ as they actually need every day.A.twice as much protein B.twice protein as much twice C.twice protein as much D.protein as twice muchA为更好满足学习和使用需求，课件在下载后自由编辑，请根据实际情况进行调整Thank you for watching and listening.I hope you can make great progress