形容词比较级和最高级的讲解及专项练习PPT
形容词比较级和最高级的概念形容词的比较级和最高级是用来表示事物的等级差别的。比较级用于比较两个或两个以上的事物，而最高级则用于比较三个或三个以上的事物，以...
形容词比较级和最高级的概念形容词的比较级和最高级是用来表示事物的等级差别的。比较级用于比较两个或两个以上的事物，而最高级则用于比较三个或三个以上的事物，以确定其中最突出或最极端的一个。形容词比较级和最高级的构成1. 原级原级即形容词的原形，如：wide, gentle, clever, narrow, happy, big等。2. 比较级比较级用于比较两个事物，其构成方式如下：单音节词加词尾-er来构成比较级如：wide → wider, gentle → gentler, clever → cleverer等以-e结尾的单音节词只需加-r构成比较级，如：large → larger, nice → nicer等以辅音字母加y结尾的形容词先将y改为i，再加-er构成比较级，如：happy → happier, gray → grayer等以一个辅音字母结尾其前面的元音字母发短元音的形容词双写该辅音字母然后再加-er构成比较级，如：big → bigger, hot → hotter等一些词的比较级可以加-er或-more来构成如：clever → cleverer或more clever, polite → politer或more polite等3. 最高级最高级用于比较三个或三个以上的事物，其构成方式如下：单音节词加词尾-est来构成最高级如：wide → widest, gentle → gentlest, clever → cleverest等以-e结尾的单音节词只需加-st构成最高级，如：large → largest, nice → nicest等以辅音字母加y结尾的形容词先将y改为i，再加-est构成最高级，如：happy → happiest, gray → grayest等以一个辅音字母结尾其前面的元音字母发短元音的形容词双写该辅音字母然后再加-est构成最高级，如：big → biggest, hot → hottest等一些词的最高级可以加-est或-most来构成如：clever → cleverest或most clever, polite → politest或most polite等形容词比较级和最高级的用法1. 比较级的用法当两种物体之间相互比较时我们要用形容词或副词的比较级。如：He is taller than me. (他比我高。)在表示“越来越……”时常用“比较级+and+比较级”结构。如：The weather is getting hotter and hotter. (天气变得越来越热。)2. 最高级的用法当相互比较的物体是三个或三个以上时我们要用形容词或副词的最高级。如：She is the most beautiful girl in our class. (她是我们班最漂亮的女孩。)表示“最……”时最高级前通常要加定冠词the。但当形容词最高级前有形容词性物主代词、指示代词、名词所有格等限定词时，最高级前不加the。如：My favorite color is blue. (我最喜欢的颜色是蓝色。)专项练习1. 选择填空She is _______ (tall/taller/tallest) than her sisterThis book is _______ (interesting/more interesting/most interesting) of allHe jumps _______ (high/higher/highest) in his classMy hair is _______ (long/longer/longest) than yoursLucy is one of the _______ (happy/happier/happiest) girls in our school2. 改写句子He is tall. His brother is talltoo. (合并为一句)He is _______ _______ his brotherMy father is 40 years old. My uncle is 42 years old. (合并为一句)My uncle is _______ _______ than my fatherShe is beautiful. (改为最高级形式)She is _______ _______ girl in our classThe yellow pen is cheaper than the blue one. (改为同义句)The blue pen is _______ _______ than the yellow oneThis dictionary is the most useful of all. (改为同义句)This is _______ _______ dictionary3. 翻译句子He is the _______四、专项练习She is taller than her sisterThis book is the most interesting of allHe jumps highest in his classMy hair is longer than yoursLucy is one of the happiest girls in our schoolHe is talland his brother is tall, too. (合并为一句)He is as tall as his brotherMy father is 40 years old. My uncle is 42 years old. (合并为一句)My uncle is two years older than my fatherShe is beautiful. (改为最高级形式)She is the most beautiful girl in our classThe yellow pen is cheaper than the blue one. (改为同义句)The blue pen is more expensive than the yellow oneThis dictionary is the most useful of all. (改为同义句)This is the most useful dictionary他是我们班最高的学生He is the tallest student in our class这件衣服比那件衣服更贵This coat is more expensive than that one她的英语说得比我好She speaks English better than me哪个季节你最喜欢？Which season do you like best?莉莉是所有女孩中最聪明的Lily is the cleverest of all the girls五、形容词比较级和最高级的常见错误混淆比较级和最高级的用法例如，当说“他是最高的”时，应该使用最高级“tallest”，而不是比较级“taller”错误使用“more”或“most”例如，当说“这个苹果比那个更红”时，应该使用“redder”，而不是“more red”。同样地，当说“这是最美的地方”时，应该使用“the most beautiful”，而不是“most beautiful”忘记加“-er”或“-est”例如，当说“这个房间比那个大”时，应该使用“bigger”，而不是“big”。当说“这是最大的苹果”时，应该使用“largest”，而不是“large”在形容词前误加“the”例如，当说“她比我更快乐”时，应该使用“happier”，而不是“the happier”。但在说“她是最快乐的人”时，应使用“the happiest”六、总结形容词的比较级和最高级是英语学习中非常重要的一部分。通过理解它们的构造和用法，以及通过大量的练习，你可以更好地掌握这一语法点。记住，正确的使用形容词的比较级和最高级可以使你的表达更加准确和生动。五、形容词比较级和最高级的常见错误及纠正错误示例He is taller than the tallest boy in the class纠正He is the tallest boy in the class. (当描述某人是班级最高时，使用最高级。)错误示例She is the most beautifuler girl I have ever seen纠正She is the most beautiful girl I have ever seen. (最高级前用“the”，不加“most”。)错误示例I am good at maths, but my brother is better at than me纠正I am good at maths, but my brother is better at than I am. (比较级后加“than”再加主语。)错误示例She has a most beautiful smile纠正She has the most beautiful smile. (最高级前用“the”，不加“a”或“an”。)错误示例This book is more interesting than that纠正This book is more interesting than that one. (比较级后应加名词。)七、形容词比较级和最高级的实际应用形容词的比较级和最高级在日常交流和写作中非常常见，它们能够帮助我们更准确地描述事物之间的差异和程度。例如，在购物时我们可能会说：“This shirt is cheaper than that one, but not as cheap as the one over there.” (这件衬衫比那件便宜，但没有那边的那件便宜。) 在描述自己的成就时，我们可能会说：“I am the happiest person in the world because I have a great family.” (我是世界上最幸福的人，因为我有一个很棒的家庭。)八、练习答案tallermost interestinghighestlongerhappiestas tall astwo years olderthe most beautifulmore expensivethe most useful他是我们班最高的学生He is the tallest student in our class这件衣服比那件衣服更贵This coat is more expensive than that one她的英语说得比我好She speaks English better than me哪个季节你最喜欢？Which season do you like best?莉莉是所有女孩中最聪明的Lily is the cleverest of all the girls九、结语通过以上的讲解和练习，相信你对形容词的比较级和最高级有了更深入的理解。记住，不断练习是提高语法掌握度的关键。现在，让我们用这些知识去更准确地描述世界吧！
