专题03 形容词的同级比较-2020-2021学年八年级英语下学期期末专项复习（仁爱版）

专题03 形容词的同级比较 第一部分 语法 形容词原级可以用来表示同级比较，同级比较有以下两种情况: ①指某-一人(或事物)在某方面与另-人(或事物) 做比较。也就是说，是两个同类、但彼此独立的人或物(以下用A、B代替说明)在同一方面进行的比较(注意“比较对象是两个”)。 ②某一人(或事物)自身现阶段发展与以前的情况进行比较，可用"A+ be动词(+ not) +as+形容词原级，as+ before"表达。 形容词原级的用法 1肯定句: "A+ be动词+as+形容词原级+as+B"，意为“A像B一样......” 否定句:“A+ be动词+ not+as/so+形容词原级+as+B"，意为“A不如B.......” 疑问句:“Be动词+A+as+形容词原级+as+B?"，意为“A像B一样....吗?” Body language is just as important as the spoken language. (肯定句，肢体语言和口语在重要性上的比较) 肢体语言和口语-样重要。 Weights (in space) are not as heavy / as they are on Earth, (否定旬， 物体在太空时的重量与在地球时的重量的比较)(它们在太空中的)重量并不像在地球上那么重。 Is Julie as tall as you? (疑问句，两个人身高的比较)朱莉和你一样高吗? Tea is becoming as popular as coffee and milk 1 in England today.(肯定句，茶在英国受欢迎程度与咖啡、牛奶在英国受欢迎程度的比较)在英国，茶现在变得和咖啡、牛奶一 样受欢迎。 The Yellow River isn't so long as the Yangtze River.I (否定句， 黄河长度和长江长度的比较)黄河不如长江长。 Is the machine as large as a fridge? (疑问句，机器的大小和冰箱的大小做比较)这台机器和冰箱一样大吗? 某一事物自身现阶段发展与以前进行比较。常用于“A+ be动词(+ not) + as+形容词原级+ as + before"结构中。例如: Now with TV and films, shadow puppet plays are not as popular as before. 现在有了电视和电影，皮影戏就没有以前那么流行了。 Mr Jiang isn't as busy as before because there used to be no home robot to help him.蒋先生不像以前那么忙了，因为过去没有家里的机器人来帮助他。 He was as friendly as before.他和以前一样友好。 2、 肯定句:“A+实义动调+as+形容词原级+名调+as+B"，意为“A和B在......方面一样......” 否定句"A+助动调+not+实义动调+as/s0+形容词原级+名调+as+B"，意为....方面不如B” 疑问句"助动调+A+实义动调+as+形容词原级+名调+as+B?",意为“A在......方面和B一样......吗？”. With light bulbs, people can do as many things in the evenings as they can in the daytime. (肯定句。晚上与白天能做的事情的比较)有了灯泡，人们晚上可以做和白天一样多的事情。 A candle does not produce as much light as a light bulb. (否定句， 蜡烛光的强度与灯泡光的强度的比较)蜡烛不能发出像灯泡那样强的光。 Up to two thirds of children don't get as much seep as5 they should do. (否定的，应有的睡爪量与实际睡眠量之间的比较)多达三分之二的孩子没有得到应有的睡呢。 Signs can carry as many messages as words.(肯定句，符号所传递的信息与文字所传递的信息的此较)符号所传递的信息和文字传递的信息一样多。 The mother had got as many apples as her son got.这位母亲获得的苹果和她儿子得到的一样多。 “There be as many/much+名词A+as+名词” 结构表示名词A与名词B在数量上的同级比较. 例如：There are as many right handed monkey as the left-hand