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课件网) Module 3 Life now and then Unit 3 Language in use 外研九年级（下） Learning Objectives By the end of the class, we will be able to: 1. review comparative and superlative forms of adjectives and adverbs; 2. complete the textbook exercises; 3. work in groups and organise a debate. Read the following sentences and pay attention to bold words. People are wealthier today, and they live longer than they did in the past. But people don’t take as much exercise as they used to. More people have cars, and they walk or use their bikes less. We eat better and we live longer. 形容词、副词的比较级和最高级的构成 1. 在词尾加-er/est 如： tall—taller—tallest warm—warmer—warmest quiet—quieter—quietest 2. 以字母e结尾的词，在词尾加-r/-st 如： late—later—latest fine—finer—finest large—larger—largest close—closer—closest 规则变化 3. 以辅音字母加-y结尾的双音节词，先把“y”改为“i”，再加-er/-est 如： easy—easier—easiest early—earlier—earliest funny—funnier—funniest friendly—friendlier—friendliest busy—busier—busiest 4. 以只有一个辅音字母结尾的重读闭音节词，先双写辅音字母再加-er/-est 如： big—bigger—biggest hot—hotter—hottest wet—wetter—wettest fat—fatter—fattest thin—thinner—thinnest 5. 多音节词，在词尾加-more/-most 如： beautiful—more beautiful—most beautiful serious—more serious—most serious outgoing—more outgoing—most outgoing good/well—better—best bad/badly/ill—worse—worst many/much—more—most little—less—least far—farther/further—farthest/furthest 不规则变化 重点记以下的单词 比较级的句型 常见的比较级句型有： （1）比较级+than，表示“比……更……” E.g. Health is more important than wealth. 健康比财富更重要。 He got up earlier than I did this morning. 今天早上他起得比我早。 （2）比较级+ and +比较级，表示 “越来越……” E.g. The story gets more and more exciting. 故事变得越来越激动人心。 Our lives are getting better and better. 我们的生活越来越好。 （3）The + 比较级，the + 比较级， 表示“越……,越……” E.g. The more time you spend on it, the greater progress you will made. 你在这上面花的时间越多，你的进步就越大。 同级比较一般采用as... as...句型，否定句可以用not so/as...as...表示。 E.g. He is as tall as his father. 他和他父亲一样高。 She is as busy as before. 她和过去一样忙。 I get up not so early as you. 我不如你起得早。 最高级的表达方式 常见的最高级表达方式有： （1）the + 最高级 + of/in E.g. Jim is the tallest of the three. 吉姆是三个人中最高的。 He is the most diligent student in his class. 他是班上最勤奋的学生。 （2）选择疑问句 E.g. Who is the tallest, Tom, Jack or Bill 汤姆，杰克和比尔，谁的个子最高？ （3）the + 最高级 + 定语从句 E.g. It is the most interesting book I have ever read. 这是我所读过的最有趣的一本书。 比较级和最高级的修饰语 比较级和最高级的修饰语应置于其所修饰的形容词和副词之前。 （1）常见的比较级修饰语有much, still, a lot, even, far等。 E.g. He worked much harder then. 那时他工作要努力得多。 （2）常见的最高级修饰语有almost，by far, far, ... ...
