形容词和副词的比较级课件2023-2024学年人教版英语八年级上册

形容词和副词的比较级 How to describe these things? cold small strong tall long 形容词 形容词通常用来描述、修饰名词或者代词，让我们能更清楚、更生动地了解这些词所代表的人或事物的特点、性质、状态等。 e.g. a beautiful flower beautiful →beautiful形容花朵美丽 an clever student →clever形容学生聪明 How to describe these actions? quickly slowly heavily carefully 副词 用来修饰动词、形容词、其他副词或者整个句子，为我们提供更多关于动作、状态或程度的信息。 e.g. She sings beautifully. →beautifully形容她唱得很好听 He is very tall. →very修饰tall，强调高的程度 Find the difference ① ② ③ ④ 形容词和副词的比较级 比较级用于两者之间进行比较，表示“更……”的意思。当我们想要表达一个人或事物在某方面比另一个人或事物程度更深或更强时，就会用到比较级。 e.g. He is taller than me. 他比我高。 →taller表明“我”和“他”身高有差异，并且“他”更高 This book is more interesting than that one. 这本书比那本更有趣。 →more interesting表明这两本书在有趣程度上的不同 Find the rules small—smaller cold—colder nice—nicer happy—happier big—bigger hot—hotter great—greater high—higher thin—thinner short—shorter hard—harder early—earlier 形容词比较级的变化规则 ①一般情况下直接加er e.g. tall——taller cold——colder high——higher old——older ②以不发音的e结尾，直接加r e.g. nice——nicer safe——safer cute——cuter large——larger ③以辅音字母+y结尾的单词，变y为i加er e.g. heavy——heavier happy——happier busy——busier ④以“重读闭音节”辅元辅结尾的单词，双写最后一个辅音字母加er e.g. fat——fatter hot——hotter thin——thinner big——bigger beautiful 部分双音节单词和多音节单词，在前面加more e.g. beautiful——more beautiful difficult——more difficult delicious——more delicious important——more important difficult important delicious interesting good/well——better bad/ill——worse little——less many/much——more far——further/farther How to use? e.g. ①Sam has longer hair than Tom. ②He plays the piano better than me. ③I’m more outgoing than my sister. （1）比较级+than 表示两者之间的比较。 Try it by yourself 1.He sings ______(well) than me. 2.This box is ______ that one. A. heavier than B. heavy than C. as heavy as 3.Lucy is 12. Emma is 15. Emma is ______ ______ Lucy. better A older than e.g. ①This book is becoming more and more popular. ②Our city will get better and better. ③More and more people choose to travel by train. （2）more and more 表示“越来越......” Try it by yourself 1.These days, she is becoming ______ beautiful. A. more and more B. much and much C. many and many 2.翻译 ①他的英语越来越好。 ②天气变得越来越冷。 A e.g. ①The more exercise you do, the healthier you’ll be. ②The more friends you have, the happier you will be. ③The harder you study, the better you will be. （3）the+比较级，the+比较级 表示“越......越......” Try it by yourself 1.The more careful you are, _______ mistakes you’ll make. A. the fewer B. the less C. the more 2.The ________(busy) he is, the ________(happy) he feels. 3.他锻炼得越多，身体就越强壮。 A busier happier Practice 一、写出下列形容词或副词的比较级形式 fast——__________ bad——__________ big——__________ boring——__________ heavy——__________ tall——__________ delicious——__________ red——__________ white——__________ cute——__________ faster worse bigger more boring heavier taller more delicious redder whiter cuter 二、根据句子内容用适当的形式填空 1.She dances ________(well) than her sister. 2.He eats ________(much) than me. 3.The white cat is ________(lovely) than the black one. 4.The weather today is ________(warm) than yesterday. 5.This flower is ____________(beautiful) than that one. 6.The red pen is ________(cheap) than the blue one. better more lovelier warmer more beautiful cheaper 三、将下列句子改为有比较级的句子 1.Jack runs fast. Sam runs slowly. Jack runs faster than Sam./Sam runs more slowly than Jack. 2.Paul is funny. Carol is quiet. Paul is funnier than Carol./Carol is quieter than Paul. 3.Lisa has big eyes. Anna has small eyes. Lisa has bigger eyes than Anna’s./Anna has smaller eyes than Lisa’s. 四、请仿照下列例句翻译句子。 1.I’m more outgoing than my sister. e.g. 她的头发比我长。 2.This book is becoming more and more popular. e.g. 教室里变得越来越安静。 3.The harder you study, the better you will be. e..g. 你吃得越多，长得越高。 Let’s complete！ Group Work Let the students describe the height, weight, age and etc. of the members in the group with comparative adjectives. And please ask one representative from each group to show to the whole class. Homework $$