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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,Grammar,形容词和副词的原级的用法,1,、无比较时,只能用原级(原形),例如:,She is,tall,.,Our school is,beautiful,.,Tom runs,fast,.,I play the piano,well,.,修饰原级的词,very, quite, pretty,really, too, so, enough,等,如:,I am,pretty,healthy., English is,so,difficult., Mary sings,very,well., we work,really,hard.,在(not) as + adj/adv + as句式中,2,be as + adj.,(形容词),+ as,的用法,as . as,意为,“,和,一样,”,,表示同级的比较。其基本结构为:,as + adj. + as,1. She is,as old as,I am.,2. Amy is,as tall as,Peter.,3. This film is,as interesting as,that one.,注意:,as,as,中间用形容词的原级,be,as + adj. + as,的否定形式为:,be,not,as + adj. + as “,前者不如后者,”,This dictionary is,not as useful as,that one.,Amy is,not as tall as,Peter.,be as + adj.,(形容词),+ as,的用法,These apples,are not as good as,those ones.,动词,as +,adV,.,(副词),+ as,的用法,as . as,意为,“,和,一样,”,,表示同级的比较。中间加一个副词原级。,I run,as fast as,Peter,(,does,),She sings,as well as,I,(,do,),.,3. Tom swims,as slowly as,Jim,(,does,),.,注意:,as,as,中间用副词的原级,as + adv. + as,的否定形式为:,does/do,not,动词,as + adv. + as “,前者不如后者,”,动词,as + adv.,(副词),+ as,的用法,I,dont,run,as fast as,Peter,(,does,),She,doesnt,sing,as well as,I,(,do,),.,3. Tom,doesnt,swim,as slowly as,Jim,(,does,),.,注意:在否定句中,第一个,as,可以改为,so,。,
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