形容词的比较级和最高级ppt课件.pptx

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1、形容词的比较级和最高级,形容词,用于修饰名词的词，描述名词的性质、外观等 tall big beautiful,不规则变化 good-better-best bad-worse-worst little-less-least many/much-more-most,小测试,longwidefat heavyslowfewfarhappy,longer longest wider widest fatter fattest heavier heaviest slower slowest fewer fewest fatter fattest happier happiest,形容词,比较级,最高

2、级,句型,1、表达“A大于B”用“比较级+than”的结构。A+be动词+形容词比较级+than+B I am taller than you.我比你高。你比仙女（fairy）还美。You are more beautiful than fairy.,比较级基本句型,2、表达“A和B一样”，用asas的结构 A+be动词+as+形容词原级+as+B I am as tall as you.我和你一样高。你和仙女一样美。You are as beautiful as fairy.表达“A不如B”用not asas的结构。A+be动词的否定形式+as+形容词原级+as+B I am not as

3、tall as you.我没有你高。仙女没有你美。Fairy is not as beautiful as you.,比较级基本句型,A+实义动词+as+副词原级+as+B He runs as fast as I.他跑得和我一样快。我跳得和他一样高。I jump as high as he.A+助词的否定形式+动词+as+形容词原级+as+B He doesnt run as fast as I.他没有我跑得快。我跳得没他高。I dont jump as high as he.,比较级基本句型,asas之间用原形，有than要有比较级 按语法规则，than后面的人称代词应当用主格，但口语当中

4、有时会 用宾格代替主格。He is more careful than I(me).只有同类的事物才能比较 Her bag is bigger than mine.不能说 Her bag is bigger than I.,The black dog is _(thin)than the white dog.This balloon is _(big)than yours.My bag is _(heavy)than yours.John is _(strong)than Mike.I am _(short)than Lucy.,thinner,bigger,heavier,stronger,

5、shorter,最高级基本句型,表达“是中最的”,用“the+形容词（副词）的最高级”的结构。后面可以加上表示范围的介词短语或从句。主语+be动词+the+形容词最高级+（名词）+表示范围（of+人/物，in+地方）He is the tallest student in our class.他是我们班上最高的学生。The river is the longest one in China.这是中国最长的河。她是这些孩子中年龄最大的。She is the oldest of these children.,形容词的最高级前面有定冠词the 句子的主语和自身比较时，不用the The river

6、 is deepest at this point.最高级前已经有名词所有格和物主代词时，不用the Monday is our busiest day.,My father leaves home _(early)than me.I sing the _(good)in class.The shoe shop is _(near)the park.This bag is very _(heavy),but that one is _(heavy)than this one.Its the _(heavy)of all.,earlier,best,nearest,heavy,heavier,heaviest,HOMEWORK,1.记住规则和句型2.分别用比较级和最高级造3个句子。句子内容：夸同桌身上值得你学习的优点，以及你身上值得 同桌学习的优点。如：他的字比我写得好。我的字和他写得一样好。,