Module 4 Planes, Ships and trains-Unit 3 Language in use-ppt课件-(含教案)-市级公开课-外研版八年级上册英语(编号：34455).zip

形容词和副词的比较级和最高级形容词和副词的比较级和最高级的构成是基本相同的,请同学们完成下列练习走喽! 看谁最棒！词 尾 变 化原级比较级最高级单音节词在词尾加-er(比较级)或-est(最高级)以字母e接尾的词加r或stTall hard large wide以重读闭音节结尾的词末尾只有一个辅音字母应双写辅音字母再加er或estBig hot thin fat wet 以辅音字母+y结尾的词变为i再加er,或estHappy dry early少数以er,ow结尾的双音节词可加er或estNarrow clever 多音节词和多数双音节词在其前面加more 和most Difficult popular slowly1. 规则变化TallerharderlargerwiderTallesthardestlargestwidestBiggerhotterfatterwetterBiggesthottestfattestWettestHappierdrierearlierHappiestdriestearliestNarrowerclevererNarrowestcleverestMoredifficultmorepopularMoreslowlyMostdifficultmostpopularMostslowly 形容词和副词比较级和最高级构成1.long fast young tall2.fine late nice large 3.thin biglonger longestyounger youngest一般在词尾加 er, est以字母e 结尾的词,加 r,st重读闭音节词只有一个辅音字母时,双写辅音字母,加 er,estfiner finestlater latestthinner thinnestbigger biggesttaller tallestfaster fastestnicer nicestlarger largest大 热天，胖子湿了，瘦子红眼了big, hot, fat, wet, thin, red 以辅音字母加“y”结尾的双音节词,先改“y”为“i”再加er,estluckier luckiest4.easy luckyeasier easiest5.beautiful serious more beautifulmost beautifulmore seriousmost serious部分双音节词和多音节词在前面加more或most形容词和副词比较级和最高级构成earlyslowlyquicklyearlier earliestmore slowly most slowlymore quickly most quickly 注意：以“ly”结尾的副词，除early外，其后 一般 加more 或most. 不规则变化good/wellbad/badly/illmany/muchlittlefaroldbetter best worse worst more most farther farthest further furthest less leastolder oldest elder eldest 1.比较级用于比较级用于两者两者之间的比较之间的比较通常用连词通常用连词than 引导，表示引导，表示“较较”或或“更更一些一些”的意思的意思.2.最高级用于最高级用于三者或三者三者或三者以上以上,形容词的最高形容词的最高级前面一定要有定冠词级前面一定要有定冠词 the，副词的最高副词的最高级前级前可加不加可加不加。后面可带后面可带of，in短语短语来说明比来说明比较的较的范围范围Ourschoolisbiggerthantheirs.Thisbridgeislongerthanthatone.ShanghaiisthebiggestcityinChina.Lucysings(the)bestofall.Summer is very hot.Summer is _ than spring.Summer is_season of the four.Winter is very cold.Winter is _ than autumn.Winter is _season of the four.hotterthe hottestcolderthe coldestLiuXiangistallerthanPanChangjiang.YaoMingisthetallestofthethree. 1. 比较级 + than “比更”more delicious thanbetter thanolder thantwo yearsThis cake is _ （味更美）that one. Li Lei sings _（比更好）Jim. He is _(比更大）me .2. 比较级 ， or ? “哪个更?”表示两者之间的选择. Which is longer, this one or that one?Who draws better ,Tom or Jim?3.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 ”。 She is the taller of the two girls.Do you know the fatter boy of the two under the tree ?Which book is newer? This one or that one?1 哪本书更新一些，这本还是那本？Tom is the taller of the two boys.2 Tom 是这两个男孩中较高的一个。 5.The+比较级，the+比较级 “越,越”4.比较级+and+比较级 “越来越 ” The weather is getting （越来越暖和）.Our school is getting （越来越漂亮）.The more you eat,the fatter you will be.The more,the better.more and more +原级warmer and warmermore and more beautiful6. 注意：比较级前面可以用even(更加)，much/far a lot(得多)，a littlie/bit (一点),等词语表示不定程度或数量。 This room is much bigger than that one. I am a little taller than he . He studies even harder than before.7,表示“几倍于”时，用倍数+比较级+than” 表示Her house is twice bigger than mine.她的房间是我的两倍大。Thisstoneis_thanthatone.biggermuchfaralittle1.The more exercise you take , the _ you will be.A .weak B. healthier C.luckier D.worse 2.Every knows China is getting _A .rich and rich B.richer and richer C. the richer,the richer D .richest and richestthe+比较级.the+比较级表示“越越”3.I think our school is becoming _ A. more beautiful and more beautiful B. more and more cleaner C. more and more beautiful D. clean and cleanBBC比较级+and+比较级 表示“越来越”“more and more +原级”表示“越来越”4.Of the two rooms, this one is _A. big B.bigger C.the bigger C在“of the two” 结构中，用“the+比较级” 表示“某两个人或物中较.”的一个1the+最高级+of /in 短语Bob is the tallest boy in our school.She is the most careful student of us three.2.最高级 ，A, B or C? “哪个最?”Who is the youngest, Jim, Tom or Jenny?Which is the most expensive, a bicycle, a car, or a plane?3one of the+最高级(形)+名词(复)+表示范围的短语 “是当中最之一” Shanghai is one of the biggest cities in China.4the +序数词（second,third)+最高级+ 表示范围的短语 “是第(二,三)最”The Yellow River is the second longest river in China.1.Of all the subjects, which do you think is_ (difficult) to learn?2.This is one of the _(bad) games Ive ever watched.3. My mother is _(busy) in my family.4.This question is _(easy ) of the five.themostdifficultworst5.Whichgoes_(fast),thebus,thecatorthetrain?6.Huangheisthesecond_(long)riverinChina.7.IthinkJimworks_(hard)inourclass.thebusiesttheeasiestfastestlongesthardest as + 原级 + as “和一样”He is _(一样高) Jim .She studies _(一样努力) Mary. not as(so) + 原级 + as “不如/没有”He isnt as tall as Jim.less +原级 + than “不如/没有”She studies _than MaryShe doesnt study as hard as MaryHe is _than Jim.as tall asas hard asless tallless hard not as(so) + 原级 + as 隐含前者不如后者，可转化为 “比较级+than” He isnt as tall as Jim.She doesnt study as hard as Mary= Jim is taller than he .=Mary studies harder than she.形容词副词的最高级可转换为以下比较级句式：1、比较级+than +any other+名词单数2、比较级+than+the +other+ 名词复数He is the tallest student in his class.He is taller than _ _ _ in his class.He is taller than _ _ _ in his class.any other studentthe other students Changjiang River is longer than any other river in China.Changjiang River is longer than any river in Japan.注意：当比较双方属同一范围时，应用other排除自身。 当比较双方不属同一范围时，不存在自己与自己比较的问题，所以不用other。 写出下列句子的同义句1.Shanghai is the biggest city in China . Shanghai is bigger than _ _ city in China. Shanghai is bigger than _ _ cities in China. 2. Shanghai is bigger than any city in Africa. Shanghai is _ _ city in Africa. any otherthe otherthe biggest1. The bread is _ than these cakes. A. very delicious B. much deliciousC. more delicious2. In our city its _ in July ,but it is even _ in August. A. hotter hottest B. hot hotter C. hotter hot 3. Hainan is a very large Island .It is the second _ island in china. A. large B. larger C. largest4. A horse is _ than a dog . A. much heavy B. more heavier C. much heavier 5. Which subject is _ , physics or chemistry ? A. interesting B. most interesting C. more interesting6.-Which is ,the sun, the moon or the earth? -Of course, the moon is smaller B. smallest C. the smallest 7. My hair is longer than . A. my sister B. Lucys C. my brothersCCBCCCC8.David is taller than _in this class. A any student B the other students C any students 9.China is larger than _in Africa. A.any other country B. any country C. the other countries10.The baby cried _. A harder and harder B hard dand hard C more and more hard11.He is _of the two. A taller B the taller boy C the tallest boy12. He jumps of the three. A. further B. farthest C. furthest13.The Chang jiang River is one of in the world. A. the longest river B. longest rivers C. the longest rivers 14.The more exercise you take, the you will be. A. weaker B. healthier C. luckier D. worse 15.Everyone knows China is getting _ A. strong and strong B. stronger and stronger C. more strong and strongBBABBCBB用括号内形容词或副词的适当形式填空:1.This horse is very _ (strong), but that horse is much _ (strong) than this one.2.Its so late, so I drive the car _(slowly) than usual.3. He went _(far) than the other people。4. The _(little) you eat, the _(thin) you are.5. The Beijing is the one of _ (big) cities in China.6. The street is as _(long) as that one, but it is_ (wide) than that one.7. His drawing isnt so _(good) as yours.8. When a piece of ice is taken into a warm room, it 1. becomes _(small) and _(small).9. This piano is _(expensive) than the other two. It is _(expensive) of the three. 10.Which goes _ ,the bus or the car? (quick)strongstrongerlessfarther/furtherlongsmallermore expensivemore slowlygoodthe biggestwidersmallerthe most expensivethinnermore quicklyThanks形容词、副词比较级和最高级复习形容词、副词比较级和最高级复习课教学设计课教学设计一、教学目标一、教学目标知识目标：知识目标：1、掌握形容词、副词、掌握形容词、副词比较级和最高级的构成。比较级和最高级的构成。2、掌握形容词、副词比较等级的用法。、掌握形容词、副词比较等级的用法。3、掌握比较级和最高级的特殊用法。、掌握比较级和最高级的特殊用法。能力目标：能力目标：掌握两者和三者或三者以上进行比较的方法。掌握两者和三者或三者以上进行比较的方法。情感目标：情感目标：1、培养积极、主动的学习心态，调动学习内驱力。、培养积极、主动的学习心态，调动学习内驱力。2、查漏补缺，巩固已学知识，以便更好地构建知识体系。、查漏补缺，巩固已学知识，以便更好地构建知识体系。二、复习重点、难点二、复习重点、难点1、学习重点：形容词比较级的构成和比较级句型结构、学习重点：形容词比较级的构成和比较级句型结构2、学习难点：比较等级的用法和与最高级之间的句型转换、学习难点：比较等级的用法和与最高级之间的句型转换三、教学过程三、教学过程 (一一) Greetings (二二) 复习形容词、副词比较级和最高级的构成复习形容词、副词比较级和最高级的构成 1、规则变化：、规则变化： 一般的词在原级后加一般的词在原级后加 -er（比较级）（比较级） 加加 -est（最高（最高级）级） tall - taller - tallest 以字母以字母 e 结尾的词在原级后加结尾的词在原级后加 -r（比较级）（比较级） 加加-st（最（最高级高级late - later - latest 以辅音字母加以辅音字母加 y 结尾的词，先把字母结尾的词，先把字母 y 改为改为 i 再加再加 -er（比较级）（比较级） 加加 -est（最高级（最高级) 以一个辅音字母结尾的重读闭音节词，先双写结尾辅音以一个辅音字母结尾的重读闭音节词，先双写结尾辅音字母再加字母再加-er（比较级）（比较级） 加加 -est（最高级）（最高级）big - bigger - biggest 部分双音节词和多音节词部分双音节词和多音节词,在原级前加在原级前加 more+原级（比原级（比较级）较级） 加加 most+原级（最高级）原级（最高级）careful - more careful - most careful important - more important - most important 2、不规则变化：、不规则变化：goodwell - better - best manymuch - more - mostbadillbadly - worse - worst little - less - leastfar - fartherfurther - farthestfurthest （三）、比较等级的用法（三）、比较等级的用法1.1. 没有任何人或事物相比较用原级没有任何人或事物相比较用原级This cake is delicious 2.两者之间两者之间的比较用比较级的比较用比较级This cake is more delicious than that oneLi Ming sings better than Jim.注注:比较级前还可以用比较级前还可以用 much, a little, a lot 等来修饰等来修饰,表示表示比较的程度比较的程度3. 比较级比较级 ， or ? “哪个更哪个更?”表示两者之间的选择表示两者之间的选择. Who draws better ,Tom or Jim4.形容词的比较级前面一般不加冠词，但表示形容词的比较级前面一般不加冠词，但表示“两者中较两者中较”的时候，要用的时候，要用“the+比较级比较级+of the two ”Do you know the fatter boy of the two under the tree ?5.比较级比较级+and+比较级比较级 “越来越越来越 ” more and more +原级原级The weather is getting warmer and warmer（越来越暖（越来越暖和）和）.Our school is getting more and more beautiful。（越来。（越来越漂亮）越漂亮）6. The+比较级比较级，the+比较级比较级 “越越,越越”The more you eat, the fatter you will be7.表示表示“几倍于几倍于”时，用倍数时，用倍数+比较级比较级+than” 表示表示Her house is twice bigger than mine她的房间是我的两倍大她的房间是我的两倍大（四）（四） 形容词，副词最高等级的用法形容词，副词最高等级的用法1， the+最高级最高级+of /in 短语短语Bob is the tallest boy in our school2. 最高级最高级 ，A, B or C? “哪个最哪个最?”Which is the most expensive, a bicycle, a car, or a plane?Who is the youngest, Jim, Tom or Jenny？（五）（五） 一些形容词，副词原级，比较级的特殊句式一些形容词，副词原级，比较级的特殊句式用用 as+原级原级+as 表示两者在某一方面程度相同表示两者在某一方面程度相同John is as tall as his father. Mike works as hard as Tom. 用用 not as/so +原级原级+as 表示甲方在某一方面不如乙方表示甲方在某一方面不如乙方Tina doesnt paint so well as Sally.四四 Homework 掌握形容词和副词比较级和最高级的构成和运用。掌握形容词和副词比较级和最高级的构成和运用。五五 课后反思课后反思 个别句式的用法仍需要多做练习加以巩固个别句式的用法仍需要多做练习加以巩固