八级英语暑假专题形容词副词的比较级和最高级北师大版知识精讲.docVIP

八年级英语专题 形容词-副词的比较级和最高级 【本讲教育信息】 一. 教学内容： 暑假专题：形容词、副词的比较级和最高级 二. 本周教学重点： 1. 形容词、副词比较级和最高级的构成 2. 形容词、副词比较级和最高级的使用 三. 具体内容： （一）形容词、副词比较级和最高级的构成： 1. 单音节词和少数双音节词比较级和最高级的规则变化： 规则 原级 比较级 最高级 1.在词尾后直接加-er/est tall taller tallest 2.词尾是e，只加-r/st nice nicer nicest 3.以辅音字母加y结尾的，把y变i再加-er/est happy happier happiest 4.重读闭音节，末尾只有一个辅音字母，双写这个辅音字母，再加-er/est thin thinner thinnest 2. 其他双音节词或多音节词,在该词前面加-more/most beautiful—more beautiful—(the) most beautiful 3. 由形容词加ly构成的双音节词和多音节词,都是在该词前加-more/most. quickly—more quickly—(the) most quickly difficultly—more difficultly—(the) most difficultly 4. 不规则变化: good/well better best bad/badly worse worst many/much more most little less least far farther/further farthest/furthest （二）形容词比较级和最高级的用法： 1. 原级的用法: 用于两者之间对比，意思为“……和……相同” A+v.+as….+形容词原级as B Tom is as honest as Jack. Her skin is as white as snow. My dog is as old as that one. He is not as (=so) tall as I. The weather here is not as(=so)cool as the weather in Harbin. 2. 比较级的用法: 1）A+形容词比较级+than+ B Susan is happier than Jane. His brother is younger than me. Beijing is more beautiful than Osaka. 形容词比较级前还可以用much, even, still, a little来修饰。 2）数字+形容词比较级+than I’m two years older than you. She is a head taller than me. 3）比较级+and+比较级，表示“越来越……” The earth is getting warmer and warmer. China becomes more and more stronger. 4）the +比较级，the +比较级结构，表示“越……就越……” The more I study it, the more I like it. 5）which/who +is +比较级 Which city is bigger, Beijing or Tianjin? Who is happier, you or me? 3. 最高级用法： 用于三者及以上的人或事物的比较,最高级前加the，最高级前有物主代词，序数词和名词所有格时，不加定冠词，后面跟带in或of表范围的短语。 1）one of the +最高级 Shanghai is one of the most beautiful cities in China. Our city is one of the safest cities in the world. Most people like apples. Most of the boys are good. It is our nearest neighbor in space. 2）最高级意义的表达方法: 例句 最高级 She is the best in her class. 比较级 She is better than any other student in her class. No other student in her class is better than she. 原级 No other student in her class is as good as she. （三）副词比较级和最高级