高中英语课(not)as...as的用法课件 (共11张PPT)

（not) as…as 的用法 (1).表示两者在某方面程度相同时，用as+adj/adv原级+as +比较对象 和…一样 This book is as interesting as that one. 这本书和那本书一样有趣。 She sings as well as Han Meimei. 她唱得和韩梅梅一样好。 (2)表示某人或者某物在某方面不如另一个人或者另一物时，用 not so/as+adj/adv原级+as +比较对象， ‘和…不一样，不如…。可以和“比较级+than”进行转换 The classroom is not so( as) clean as usual. 教室不像平常一样干净。 The classroom is dirtier than usual. He doesn't get up so/as early as his father. 他起床不如他的父亲早。 He gets up later than his father. Analysis of sentence structure This book is as interesting as that one. 主语+be动词+as+adj+as+比较对象 She sings as well as Han Meimei. 主语+行为动词+as+adv+as+比较对象 Exercises 他和他的朋友一样勇敢。（as brave as） He is as brave as his friends. 他不如他的朋友勇敢 He isn’t as brave as his friends. His friends are braver than he. 他数学学得和Lucy一样差。（as badly as) He learns math as badly as Lucy. 他数学学得不和Lucy一样差。 He doesn’t learns math as badly as Lucy. He learns math worse than Lucy. 重庆和日本一样大。（large） Chongqing is as large as Japan. 重庆不如日本大。（larg