3.比较级原则口诀:①单单相比-The apple is bigger than that one.②复复相比-My books are heavier than her books.③同类相比-His head is bigger than mine.三、句型:常考短语和句型1.原级Tigers are as dangerous as lions.1)as +adj./adv.原级+ as,A和B一样This apple is as big as that one.2)not so/as +adj./adv.原级+ as,A不如BThis apple is not so/as big as that one.Evan is as handsome as Nay.Evan is not as/so handsome as Nay.2.比较级-递增比较Elephants are bigger than zebras.1) adj./adv.比较级+than 比….更…….his apple is bigger than that one.2) 修饰比较级的词:much, a lot, far, even, still, a little, a bit, anyI am a little more handsome than Evan.3.特殊句型1) 比较级 + and + 比较级Rambo is becoming fatter and fatter.Cars are getting cheaper and cheaper.Houses are getting more and more expensive.2) The+比较级,the+比较级… 越…,越…The harder you work, the higher scores you will get.The more you eat, the stronger you will be.3) one of the + adj.最高级 + 名词You are one of the most clever students in China.4) the + 序数词 + adj.最高级 + 名词Elephants are the second largest animals in the world.四、最高级1.原则:三者或三者以上比较2.最高级+of+与主语相同的性质:She is the tallest of the girls.最高级+in+与主语不同的性质:She is the tallest in the class.3.最......之一:one of +the+最高级+名词复数:Mozart is one of the most famousmusicians in the world.4.最高级不加the的情况*已有其他修饰词。my best friend。*副词最高级。run fastest