人教版初中八年级英语上册unit3比较级练习ppt课件.ppt
专题专题 形容词、副词形容词、副词考点揭密考点揭密典型例题解析典型例题解析课时训练课时训练比较级规则变化口诀比较级规则变化口诀：比较级有规律，一般词尾加比较级有规律，一般词尾加erer，词尾若是哑音词尾若是哑音e, e, 直接加直接加r r就可以，就可以，重读闭音节，重读闭音节， 末尾须双写，末尾须双写，辅音字母加辅音字母加y, y, 记得把记得把y y变为变为i i加加er,er,双，多有规律，原级前加双，多有规律，原级前加more.more.二二.形容词和副词比较级的构成，规则变化形容词和副词比较级的构成，规则变化1.直接在词尾加直接在词尾加-er。 2.以以e结尾的直接在其后加结尾的直接在其后加-r。tallnice3.以重读闭音节结尾并且末尾只有一个辅音字以重读闭音节结尾并且末尾只有一个辅音字母，应先双写这个辅音字母再加母，应先双写这个辅音字母再加 - er.bigshortsmallshorterlarge whiterwhitethinfatterfatsmallerthinnerlargertallernicerbigger4.以以“辅音字母辅音字母+y”结尾的，先改结尾的，先改“y”为为“i”，再加，再加-er。happy5.多音节和部分双音节词在其前面加多音节和部分双音节词在其前面加more。loudlyheavierheavyeasiereasymore beautifulbeautifulmore interestinginterestinghappiermore loudlyquietly-more quietly三三.不规则变化不规则变化 需要单独记忆需要单独记忆 bad / badly/ill worse many / much more good / well better oldolder/elder far farther / further little less合二为一共三对，合二为一共三对，坏坏、病病、两、两多多并两并两好好一分为二有两个，一分为二有两个，一是一是远远来二是来二是老老，还有一词含双义，还有一词含双义，只记只记少少来不记小来不记小写出下列单词的比较级。写出下列单词的比较级。funnyquietserioussmartoutgoingquicklyfunnierquietermore serioussmartermore outgoingmore quicklytallnicebigfunnyoutgoingoldquietlylazy oldertallernicerbiggerfunniermore outgoingmore quietlylazierlateexpensivethin smarthighfat interestingmore interestinglatermore expensivethinnersmarterhigherfatter 1.表示两者表示两者“相等相等”用，用，as+形容词形容词/副词原副词原级级+as +比较对象；比较对象； The boy is as old as the girl. Li Lei speaks English as well as Lucy形容词原级的用法形容词原级的用法 2.表示表示“不如不如”没有没有“不相等不相等”，用，用“not + as / so+形容词形容词/副词原级副词原级+as+比较对象比较对象”； The moon isnt so big as the sun.多音多音节的形容词也可用节的形容词也可用less 加原级表达。如加原级表达。如: This book is less interesting than that one . 1.English is as _ as Chinese. You should learn it well. A. important B. more important C. the most important D. much more important 3. Bob never does his homework _ Mary. He makes lots of mistakes. A. so careful as B. as careful as C. as carefully as D. carefully as经典例析经典例析AC1.表示两者进行比较：表示两者进行比较：A +比较级比较级+than +B （注意比较的对象要一致）（注意比较的对象要一致）The population in China is larger than that of India. My bike is more beautiful than hers.形容词比较级的用法形容词比较级的用法2.比较级前可用比较级前可用much, a little, even, a lot, far，still表示程度；表示程度； He looks much fatter than before. This boy is a little taller than that one.3.表示两者之间进行选择表示两者之间进行选择“哪一个更哪一个更”时，用时，用句型句型“which/who is +形容词比较级，形容词比较级，A or B ?”表表示。示。 Which is bigger , the sun or the moon ?5.and连接同一个比较级连接同一个比较级,或或more and more + 形容词原级表示形容词原级表示 “越来越越来越”. warmer and warmer. Our life is getting better and better.6.“the+比较级比较级.the+另一个比较级另一个比较级”表示越表示越越越； The more you exercise, the healthier you will be.4.表示表示“两者之间最两者之间最的一个（的一个（of the two）”时，时， 常用常用“the +比较级比较级”结构。结构。 He is the thinner of the two .形容词比较级的用法形容词比较级的用法1. He is a little _(thin) than you, but he is as _(strong) as you.2. Our school is getting _ and_ _(beautiful).3. Who jumped _(far) in the long jump, Lily or Lucy ?4. Of the two books , this one is the _(interesting).5. The _(much) you speak English, the _(well) you can speak it. 6. Ann is a little_ (young） than Joan, but she is much_（tall)thinnerstrong more more beautifulfarthermore interestingmorebetter younger taller1. Which is_ season in Beijing? I think its autumn. A. good B. better C. best D. the best 2.(T/F)Who jumped farther of all in the long jump?3.Tiananmen Square is one of _squares in the world.A.large B.larger C.largest D.the largest 4.Which of those radios sounds _ The smallest one .A.good B.well C.better D.best (F) farther-farthestDDD.根据句意填空。根据句意填空。1.Which film is_this one or that one?(interesting)2.I think English is one of _subjects in middle school(important).3.Li Lei doesnt study so_ as his sister.(care)4.Ann is a little_ than Joan,but she is much_ .(young,tall)5.The Changjiang River is very _.Its The third_ river in the world. (long) more interestingthe most important carefully younger taller long longest funnyfunnierKungfu Panda is _.funnier than Tom and Jerry Tom and Jerry is funny.6:00Julie gets up _.earlier than Bob Bob gets up early.Bob gets up early.popularmore popularthe most popularLin Junjie is popular.Pan Weibo is _ LinJunjie.Zhou Jielun is _ of the three/ of all.more popular thanthe most popularTask1:如何表达甲与乙在某方面相同或不同？如何表达甲与乙在某方面相同或不同？1. 我的学校和你的一样新我的学校和你的一样新My school is as new as yours.He speaks English as well as you.2. 他英语说地和你一样好他英语说地和你一样好.3.牛肉不及猪肉美味牛肉不及猪肉美味.4.我跑得没你快我跑得没你快.I dont run as/so quickly as you.Beef is not as/so delicious as pork.1. Lily的房间比我的大的房间比我的大.2. 中国印度中国印度.哪个国家更大哪个国家更大? 3. 汉语比英语难的多汉语比英语难的多. Task 2:Task 2:形容词和副词的比较级形容词和副词的比较级比较级前可用表示程度的副词修饰，如比较级前可用表示程度的副词修饰，如much, a little, even, far ，a bit , ,a lot, four years old等等Lilys room is bigger than mine.Which country is larger,China or India?Chinese is much more difficult than English.Task3:中译英并归纳1. 春天天气变得越来越暖和春天天气变得越来越暖和2. 我们的国家变得越来越美我们的国家变得越来越美.3. 汤姆是两兄弟中较高的一个汤姆是两兄弟中较高的一个.Its getting warmer and warmer in spring.Our country is getting more and more beautiful.比较级比较级+and+比较级表示比较级表示“越来越越来越Tom is the taller of the two brothers.比较级前一般不用比较级前一般不用the修饰，但特指两修饰，但特指两者之一时用者之一时用the修饰。修饰。The more she eats ,the fatter she will be.The more careful you are, the fewer mistakes you make.The 加比较级加句子，加比较级加句子，the加比较级加加比较级加句子，表示句子，表示:越越,越越4. 她吃得越多就越胖她吃得越多就越胖.5. 你们越仔细，出的错误就越少你们越仔细，出的错误就越少.Task4: Task4: 形容词和副词的最高级形容词和副词的最高级Mary is the cleverest girl in our class.Shanghai is one of the largest cities in the world.1.Mary是我们班上最聪明的孩子是我们班上最聪明的孩子2.上海是世界上最大城市之一上海是世界上最大城市之一.3. 黄河是中国第二长河黄河是中国第二长河.The Yellow River is the second longest river in China.Better later than never.Facts(事实）事实）speaks louder than words.Enough is better than too much.Two heads are better than one.Blood(血血) is thicker（稠，浓）（稠，浓）than water.亡羊补牢，亡羊补牢，犹未晚也犹未晚也事实胜于雄辩事实胜于雄辩知足常乐知足常乐三个臭皮匠顶个诸葛亮三个臭皮匠顶个诸葛亮血浓于水血浓于水Additional work
