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1、比较级.比较级的基本结构1.由than 构成的比较级：A + is/are +形容词的比较级+than+B. A+ 行为动词 + 副词的比较级+than+B.e.g. The book is cheaper than that one.I run faster than his brother.2.由asas 构成的平行比较级: 1 ） A is /are as +形容词+as.(肯定形式) A+行为动词 +as +副词+as.(肯定形式) e.g We are as careful as they. We write as carefully as them.2）A is /are not
2、as/so +形容词+as.(否定形式)A+助动词 +not +行为动词原型 +as +副词+as.(否定形式) e.g. The boy isnt as tall as his sister. =The boy is shorter than his sister. 这个男孩没有他姐姐高。 He doesnt sing as well as his sister. =He sings worse than his sister.We arent as careful as they. =We are less careful than they.We dont write as carefu
3、lly as them.=We write less carefully than they.3.由more,fewer,less+名词构成的比较级 1）more “比多”，后接复数名词或不可数名词 I have more news books than my cousin. He has more milk than I .2）less “比少”，后接不可数名词 He has less water than me.3）fewer“比少”，后接复数名词 They have fewer flowers than we .比较级的特殊结构1. The more ,the more. 越,就越(mo
4、re代表比较级)e.g. The more careful you are, the fewer mistakes you will make.你越细心，你犯的错误就越少。 The happier you are, the more friends you will make. 你越快乐，你将会交越多的朋友。2.more and more 越来越 Our school is cleaner and cleaner. 我们的校园越来越干净。 Our city becames more and more beautiful. 我们的城市变得越来越漂亮。Im sorry the clean wate
5、r gets dirtier and less.我难过的是感觉到水越来越脏越来越少。3.由of构成的比较级，比较级前面加theJoe is the taller of the two girls.Joe是这两个女孩中较高的。 在英语中，常用much、even、a little、a lot等词修饰比较级。 e.g. He is much stronger .他强壮的多。 She is a little thinner thanme. 她比我矮一点点。、比较级的比较对象要一致 e.g. 1.He is fatter than I/me.(次处比较对象是人) 2. My eyes are bigger than yours. (次处比较对象是人的眼睛，故用yours代替your eyes) 3.The weather in Wuhan is hotter than that in Beijing. (此处用that代替前面的weather)、比较级的比较范围要区分e.g. 1. Li Ping is taller than any other student in his class. 李平比班上任何其他的学生高。（在同一个班上，李平也是其中之一的学生，故用any other+单数名词） 2. Li Ping is taller than any students 1
