比较级最高级课件.ppt

Both of you are students . (二二)形容词的比较级和最高级形容词的比较级和最高级 comparatives and superlatives with adj. and adv.short-shortersmall-smallernicenicersafesafer-bigthinheavyheavierhappyhappierbigbiggerthinthinnerdelicious more delicious interesting more interesting important more important carefully-more carefully quickly-more quickly slowly-more slowlyeasily- more easily大多数形容词和副词有三个等级：大多数形容词和副词有三个等级：原级、比较级、最高级原级、比较级、最高级。一、一、形容词比较级的构成形容词比较级的构成 构成的规则变化构成的规则变化: : 1)在形容词后直接加在形容词后直接加-er。如：如：short - shorter small - smaller2)以不发音的以不发音的e结尾，直接加结尾，直接加 r.如如: nice - nicer safe - safer3) 重读闭音节词末尾只有一个辅音字母重读闭音节词末尾只有一个辅音字母时时, 先双写这个辅音字母先双写这个辅音字母, 再加再加-er。如如: big bigger thin thinner 4) 以以“辅音字母辅音字母+ y”结尾的双音节词，结尾的双音节词， 先改先改y为为i, 再加再加-er。如：。如： easy easier happy happier 5) 多音节词和部分双音节词在词前加多音节词和部分双音节词在词前加more 。如：。如： delicious more delicious interesting more interesting importantmore important carefully-more carefullyquickly-more quickly slowly-more slowly easily- more easily 形容词形容词最高级最高级的构成的构成talltaller the tallestB: heavy easy tidy dry busy happy healthy hungry earlyy - i- estC: large late nice- st biggestD: bighothottestthin “双写双写”thinnestwet wettest fatfattestAdjective delicious dangerous interesting popular beautiful careful friendly the most - adj .用法：英语中三者或三者以上相比较，表示用法：英语中三者或三者以上相比较，表示“最最” 这样的最高程度概念时，要用这样的最高程度概念时，要用 “the+最高级最高级” 的结构表示。这种句式一般的结构表示。这种句式一般带有表示比较的介词短语，比如带有表示比较的介词短语，比如: in our class, of the three 等。等。例如：例如：Wang Lin is the tallest in our class. This theater is the cheapest of the three.最高级最高级变法有变法有以下几点：以下几点： 形容词的最高级形容词的最高级a.直接加直接加-est. 如：如：short-shortest small-smallestb. 以以-e 结尾的形容词，最高级结尾的形容词，最高级+ -st。如：。如： largelargest nicenicest cutecutestc. 以辅音字母以辅音字母+y结尾的形容词，变结尾的形容词，变y为为i +est。 busybusiest heavyheaviest easyeasiest happyhappiest dirtydirtiestd. 以重读闭音节结尾，末尾只有一个辅音字母结以重读闭音节结尾，末尾只有一个辅音字母结 尾的词，双写最后一个辅音字母，再加尾的词，双写最后一个辅音字母，再加+er或或 +est。 如：如： bigbiggerbiggest thinthinnerthinnest fatfatterfattest hothotterhotteste. 多音节和部分双音节形容词，需在原级前多音节和部分双音节形容词，需在原级前+more 构成比较级，构成比较级，+ most 构成最高级。如：构成最高级。如： importantmore importantmost important beautifulmore beautiful most beautiful difficultmore difficultmost difficult 3. 不规则变化：不规则变化：原级原级比较级比较级最高级最高级 good /well better best bad /ill worse worst little less least many /much more most far farther /further farthest /furthest old older /elder oldest /eldest最高级规则变化口诀最高级规则变化口诀：最高级，很容易，一般词尾加最高级，很容易，一般词尾加est。(cheap-the cheapest)词尾若有哑音词尾若有哑音e, 直接就加直接就加st。(close-the closest)重读闭音节重读闭音节, 单辅音字母要双写。单辅音字母要双写。(big-the biggest)辅音字母加辅音字母加y, 记得把记得把y变为变为i。(friendly-the friendliest) 多音节，考考你，多音节，考考你，the most到底加哪里？到底加哪里？(popular-the most popular)总 结 late later - latestearly earlier earliestbigbigger- biggestfluently/difficultmore, most单音节词在词尾比较级单音节词在词尾比较级加加- er或最高级加或最高级加- est以以e结尾的词，只需加结尾的词，只需加r 或或st少数以少数以er,ow 结尾的双音结尾的双音节词加节词加-er -esttalltaller- tallest clevercleverer-cleverestcheap, cold, small, warm, young, highfine, nice, safehappy, busy, dirty, easy, lazy, prettyfat, hot, red, thin, wet, sad narrow, yellow quickly, slowly, useful, careful, popular, modern, 不规则变化不规则变化 good / well better - best much / many more - most bad / badly / ill worse worst little less least far farther/ further farthest furthest old older/ elder oldest / eldest1. Paul is very _ . He is _ than his brother . A. heavy - heavierB. heavy - heavy C. heavier - heavier D. heavy-heavyer2. It has the _ clothing store in the town. A. goodest B. gooddest C. best D. better3. This ruler is _ than that one. A. long B. longer C. the longest D. longest4. This book is _ of all. A. cheapest B. cheap D. cheaper D. the cheapest5. He is much _ than his brother. A. taller B. tall C. the tallest D. tallest6. Li Lei is _ older than Lucy. A. quite B. very C. much D. more一. 单选。1.Who is _(quiet), Mary or Jane?2.Lucy is much _ (smart) than Lily.3.Miss Du is a little _ (outgoing) than her sister.4.My English teacher is quite _(good) at telling stories.5.Jim runs very _ (fast), I cant follow him.Class exercisesWrite a report “My friend ” Write about the things that are different between you and your friend.（hair, build, character, age.) I have a good friend. His/ Her name is He/ She is than Im than 形容词和副词比较级的用法形容词和副词比较级的用法 1.Who runs faster, he or she?2.He runs faster than she.3.He runs much faster than she.4.He becomes healthier and healthier.5.The more you exercise, the healthier you will be.6.She is less healthy than he.1.表示两者之间的选择表示两者之间的选择, 可用可用“Which/Who + 比较，比较，or?”.3.much/far/a lot, even ,still ,a little/a bit 修饰比较级修饰比较级,表示程度表示程度.Who runs faster, he or she?He runs faster than she.He runs much faster than she.4. “比较级比较级+and+比较级比较级”表示表示“越来越越来越”5. “the+比较级比较级 , the + 比较级比较级”表示表示“ 越越, 越越 ” 6. 表示不及另一方时，用表示不及另一方时，用“less+原级原级+than” (双音节和多音节词双音节和多音节词)He becomes healthier and healthier.The more you exercise, the healthier you will be.She is less healthy than he.He is healthier than she.Shanghai is becoming more and more modern.1.比较级比较级 + and +比较级比较级 越来越越来越2.the+比较级比较级 , the + 比较级比较级 越越, 越越 3._you are, _mistakes you will make. (你越仔细，做错的题目就越少） 4. _you eat, _youll be.(你吃得越多,就越胖)5. Alice writes well. Mary writes _ than she. (甚至更好）The more carefulthe fewerThe morethe fatter1.The girl becomes _. (越来越漂亮）more and more beautiful2. The weather is getting _. (越来越槽糕）worse and worseeven / still better1.表示三者或三者以上比较表示三者或三者以上比较,可用可用”Which/Who +最高级最高级,or ?”表示表示.2. 最高级最高级+of/among (同类比较同类比较) in (范围比较范围比较)4.one of + 形容词最高级形容词最高级 +名词复数表示名词复数表示“最最 之一之一”3. 序数词修饰最高级序数词修饰最高级形容词和副词的最高级的用法形容词和副词的最高级的用法Who is the tallest, Tom , Mike , or Jack?Tom is the tallest of the three.Mike is the second tallest student in our class.Jack is one of the tallest students in our class.Tom runs (the) fastest in our class. 3. Lin Tao is _ in the class because he never gets to school on time. （最懒的学生之一）（最懒的学生之一）4. Edison was_ in the world. (最伟大的发明家之一）最伟大的发明家之一）one of the laziest studentsone of the greatest inventors1. The Yangtze River is_ river in the world. (第三长河）第三长河）the third longest2. The Atlantic is _ ocean in the world. ( 第二大洋）第二大洋）the second biggestExercise:一、翻译句子：一、翻译句子：二、同义句转换二、同义句转换 1. Flat A is more expensive than Flat B Flat B is _ _ than Flat A. Flat B is _ _ Flat A. Flat B is not _ _ _ Flat A.better than2.He is the tallest student in the class. He is _ in the class.taller than any other studentany other +名词单数名词单数lessexpensivecheaperthanasexpensiveas 1.Hainan is a very large Island .It is the second _ island in china. (large)2.busycarefulhappy6.I think Yao Ming is one of _ basketball players in NBA. (hot)busythe most carefulfartherhappierlargestthe hottest三、完成句子三、完成句子1. good 2. comfortable 3. big 4. happy 5. cheap 6. many 7. difficult 8. little better best more comfortable most comfortable bigger biggest happier happiest cheaper cheapest more most more difficult most difficult less least 1. Lily gets up _ (early) than Lucy. 2. Which goes _ (slowly), Tom or Jim? 3.This book is _ (interesting) than that one.earliermore slowly more interesting二二 根据所给词的适当形式填空根据所给词的适当形式填空 4. She works _ (careful) in her school. 5. Who goes to bed _ (late) Jim, Tom or Jack? 6. I think turkey is _ (delicious) of all. the most carefully latestthe most delicious (1) 表示表示 “最最之一之一” 的句式，要用的句式，要用 one of the +形容词最高级形容词最高级+复数名词。复数名词。例如例如: Jingjiang Hotel is one of the biggest hotels in our city. Lisa is not one of my best friends. (2) 当最高级前面有物主代词或名词所有格时，当最高级前面有物主代词或名词所有格时， 不加定冠词不加定冠词 the。例如：例如：Tom is Lucys best friend. Tuesday is her busiest day.2. 形容词最高级的构成形容词最高级的构成(1) 规则变化规则变化a. 一般情况下，单音节或双音节的形容词最高级一般情况下，单音节或双音节的形容词最高级直接加直接加-est。如：。如： clevercleverest cheapcheapest fewfewest smallsmallest youngyoungest 7. This is one of _ films of this year. A. more exciting B. exciting C. the most exciting D. most exciting8. The weather in Beijing is colder than_. A. in Guangzhou B. Guangzhou C. that in Guangzhou D. that from Guangzhou9. Tom is _ of the two boys. A. taller B. tallest C. the taller D. the tallest10. Of my parents, my father looks_. A. old B. older C. the oldest D. the older11. This watch is _ than that one. A. much expensive B. expensiver C. more expensiver D. more expensive二二. 用括号中形容词的适当形式填空。用括号中形容词的适当形式填空。 1. I am very _. But Tom is _ than I . Frank is _. （tired） 2. Which is _ （difficult）, physics or biology ? 3. This book is _ than the other two . It is _of the three . （easy） 4. In summer its _ （hot） in Wu Han than in Beijing . 5. The Chinese people have a much _ （good）life now . tiredmore tiredthe most tiredmore differenteasierthe easiesthotterbetter三三. 填空：填空： 1. Lily gets up _ (early) than Lucy. 2. Which goes _ (slowly), Tom or Jim? 3.This book is _ (interesting) than one.earliermore slowly more interesting4. She works _(careful) in her school.5. Who goes to bed _ (late) Jim, Tom or Jack?6. I think turkey is _ (delicious) of all.the most carefullythe latestthe most delicious1.We are going to the Green Restaurant for lunch. (就划线部分提问就划线部分提问) _ you going for lunch? 2. Sam is the shortest in his class. (改为同义句改为同义句)Sam is _ than _ _ student in his class.Sam is _ than _ _ students in his class.Sam is _ than_ _ in his class.3. How do you like Screen City? (改为同义句改为同义句) _ do you _ Screen City?Where areshorterany otherWhatthink ofshorterthe otheranyone elseshorter练习：改写句子练习：改写句子