Unit1 形容词&副词 比较级和最高级课件-2025-2026学年译林版英语八年级上册

UNIT 1 FRIENDSHIP 形容词&副词 比较级和最高级 The Comparative and Superlative Degrees of Adjectives and Adverbs 1 Made by Yoyo Teaching aims(学习目标) 复习并掌握形容词和副词的比较级和最高级的构成。 复习并掌握形容词和副词的比较级和最高级的用法。 2 Made by Yoyo 形容词 修饰名词或代词的词，表示事物的性质、状态或特征； 性质形容词:表示事物的属性或本质特征，如good、bad、big、small 等。 特征形容词:表示事物的外在特征或外表，如tall、short、long、white 等。 状态形容词:表示事物的状态或程度，如happy、sad、hot、cold等。 感官形容词:表示通过感官感受到的事物特征，如smooth、rough、tasty、colorful等。 副词 修饰动词、形容词、其他副词或整个句子的词，表示时间、地点、程度、方式等。 ‌时间副词‌：now（现在）、then（然后）。‌‌ ‌程度副词‌：very（非常）、quite（相当）。‌‌ ‌方式副词‌：quickly（快速地）、carefully（小心地） 3 Made by Yoyo I am thinner than you. I picked fewer apples than you. Which country is larger, China or India? I think Chinese is more interesting than maths. He is the tallest boy in his class. He jumped (the) highest of the three boys. 4 Made by Yoyo big bigger the biggest 5 Made by Yoyo fast faster the fastest 6 Made by Yoyo young younger the youngest 7 Made by Yoyo 一、形容词和副词比较级和最高级的构成 1、规则变化 构 成 方 法 原 级 比 较 级 最 高 级 单音节词和少数双音节词 一般在词尾加-er或-est small smaller smallest fast faster fastest 以字母e结尾的，加-r或-st nice nicer nicest large larger largest 以一个辅音字母结尾的重读闭音节，应先双写辅音字母；再加-er或-est big bigger biggest hot hotter hottest 以“辅音字母+y”结尾的双音节词，先改“y”为“i”,再加-er或-est easy easier easiest early earlier earliest 多音节词和部分双音节词 在词前加more或most tired more tired most tired easily more easily most easily 8 Made by Yoyo 不规则形容词和副词 good / well many/much little bad(ly) / ill old far 原级 比较级 最高级 年龄 辈份 距离 程度 better best more most worse worst older oldest elder eldest farther farthest further furthest less least 9 Made by Yoyo 二、形容词和副词的比较级的具体用法 1、表示两者（人或物）的比较，即“……比……更……”时，用“比较级+ than……”结构 eg:The earth is bigger than the moon. It is colder in Beijing than in Shanghai. Who is taller, Lucy or LiLi? Jhon runs faster than Mary. 2、比较级前可用 much, a little, a lot, a bit, even, still,far等说明比较的程度，也可以用表示数量的词说明比较的差额。 eg:This room is much bigger than that one. This question is a little more difficult than that one. I’m two years younger than you. He is a head taller than his brother. 10 Made by Yoyo 3、用“比较级+ and +比较级”结构。表示“越来越……” eg: Things are getting better and better. She is becoming more and more beautiful. 4、“The +比较级……,the +比较级……”表示“越……,就越……” eg: The more friends we have, the happier we can feel. The more you eat, the fatter you will be. 5、形容词的比较级前面一般不加冠词，但表示“两者中较……”的时候，要用“the+比较级+of the two …… ” eg:This is the easier of the two problems. She is the taller of the two girls. . 11 Made by Yoyo 6、比较级相比的两项应当相同或相当。 eg:Her pronunciation is better than her brother’s. Our classroom is bigger than theirs. 7、比较对象一致时，常用代词that /those 代替比较的对象。 eg:The weather in Beijing is colder than that in Changsha. The girls in Hunan are usually more beautiful than those in Guangzhou. 8、可用“比较级+than any other+单数名词”来表达最高级的意思。 eg:He is taller than any other student in his class . He is the tallest student in his class. China is bigger than any other country in Asia. China is the biggest country in Asia. 12 Made by Yoyo 三、形容词和副词的最高级的具体用法 1、表示三者或三者以上中“最……”时常用形容词或副词的最高级。形容词最高级前用定冠词the,副词最高级前可加the,也可不加 eg: He is the tallest boy in his class. He jumped (the) highest of the three boys. 2、使用最高级时常用由in /of 引导的介词短语作修饰语，表示范围。但如果上下文已作交代，或说话的双方都能理解所指范围，则可不用修饰语。 eg:Where is the nearest subway station? Who lives ( the) nearest to the school? 13 Made by Yoyo 3、形容词最高级前也可以由 by far, the first, the second ……等序数词来修饰 eg:She is by far the best student in our class. The Yellow River is the second longest river in China. 4、“One of the +最高级+名词”表示“最……之一”。形容词最高级后的名词用复数形式。 eg:This is one of the best movies I have ever seen. Beijing is one of the biggest cities in China. He is one of the best students in our class. 14 Made by Yoyo 四、形容词和副词的原级句型。 1、表示“和……一样……”时，常用“as+原级+as”结构。 eg: He is as strong as a horse. I am as old as you. They study as hard as Jane. 2、表示“和……不一样……”时，常用“not so/as +原级+as……”结构。 eg: The work is not so / as easy as you think. This flower is not so / as beautiful as that one. She does’nt swim so / as well as you. 15 Made by Yoyo 副词的比较级和最高级的构成和形容词的比较级和最高级的构成基本相同. e.g：fast-faster-fastest slowly- more slowly –most slowly 形容词的最高级前要用定冠词the，副词的最高级前可用可不用定冠词the. Mount Qomolangma is the highest in the world. Jim jumped (the) highest of the all. 16 Made by Yoyo Exercises（随堂练习） 1. Tom is _____ than Jhon. A. thin B. thiner C. thinner 2. Which subject is _____ ,physics or chemistry? A. interesting B. more interesting C.the most interesting. 3. A horse is ______ than a dog. A. much heavy B.more heavier C. much heavier 4. In our city it’s______ in July,but it is even ______ in August. A. hotter,hottest B.hot, hotter C.hotter,hot 5. Which is ____ seaon in Beijing? A. better B.good C.the best C B C B C 17 Made by Yoyo 6. Lin Tao jumped _____ in the long jump in the school sports meeting. A. farther B. farthest C.quite far 7. When winter comes, the days get _____. A.short and short B. shorter and shorter C.longer and longer 8. It takes _____ time to go to Beijing by plane than by train. A. more B. fewer C. less 9. This story is not _____ as that one. A. more interesting B. less interesting C. so interesting 10.Of the two pencil-boxes, the boy chose _____ one. A. the less expensive B.less expensive C.the least expensive B B C A C 18 Made by Yoyo Task6:如何表达甲在某方面不如乙？ not as （so）+形容词或副词原级+as 1.汤姆不及李雷强壮. 2.声音没有光速快． 3.我跑得没你快. 4.牛肉不及猪肉美味. Tom is not as/so strong as Lilei. Sound doesn’t travel as/so fast as light. I don’t run as/so quickly as you. Beef is not as/so delicious as pork Tom is less strong than Lilei I run less quickly than you Beef is less delicious than pork Sound travels less fast than light Less +形容词或副词原形+than 19 Made by Yoyo THE END 20 Made by Yoyo $$