人教新目标英语八上三四单元语法专题复习：形容词的比较级和最高级课件 (共29张PPT).ppt

1、人教新目标英语八上三四单元语法专题人教新目标英语八上三四单元语法专题 形容词副词的比较级与最高级形容词副词的比较级与最高级 形容词和副词的形容词和副词的比较级和最高级比较级和最高级 形容词和副词的比较级和最高级的构成形容词和副词的比较级和最高级的构成 是基本相同的是基本相同的,请同学们完成下列练习请同学们完成下列练习 走喽走喽! ! 看看 谁最棒！谁最棒！ 词词 尾尾 变变 化化 原级原级 比较比较 级级 最高最高 级级 单音节词在词尾加单音节词在词尾加-er(比较级比较级)或或- est(最高级最高级)以字母以字母e接尾的词加接尾的词加r或或 st Tall hard large wide

2、以重读闭音节结尾的词末尾只有一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个辅音字母应双写辅音字母再加er 或或est Big hot thin fat wet 以辅音字母以辅音字母+y结尾的词变为结尾的词变为i再加再加er, 或或est Happy dry early 少数以少数以er,ow结尾的双音节词可加结尾的双音节词可加er 或或est Narrow clever 多音节词和多数双音节词在其前面多音节词和多数双音节词在其前面 加加more 和和most Difficult popular slowly 1. 规则变化 Taller harder larger wider

3、 Tallest hardest largest widest Bigger hotter fatter wetter Biggest hottest fattest Wettest Happier drier earlier Happiest driest earliest Narrower cleverer Narrowest cleverest More difficult more popular More slowly Most difficult most popular Most slowly 形容词和副词比较级和最高级构成形容词和副词比较级和最高级构成 1.long fast

4、young tall 2.fine late nice large 3.thin big longer longest younger youngest 一般在词尾加一般在词尾加 er, est 以字母以字母e 结尾的词结尾的词,加加 r,st 重读闭音节词只有一个辅音字母时重读闭音节词只有一个辅音字母时,双写辅音字母双写辅音字母,加加 er,est finer finest later latest thinner thinnest bigger biggest taller tallest faster fastest nicer nicest larger largest 大大 热热天天

5、，胖胖子子湿湿了，了，瘦瘦子子红红眼了眼了 big, hot, fat, wet, thin, red 以辅音字母加“以辅音字母加“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,est luckier luckiest 4.easy lucky easier easiest 5.beautiful serious more beautiful most beautiful more serious most serious 部分双音节词和多音节词在前面加部分双音节词和多音节词在前面加more或或most 形容词和副词比较级和最高级构成形容词和副词比较级和最高级构

6、成 early slowly quickly earlier earliest more slowly most slowly more quickly most quickly 注意：以“注意：以“ly”结尾的副词，除结尾的副词，除early外，其外，其 后后 一般一般 加加more 或或most. 不规则变化不规则变化 good/well bad/badly/ill many/much little far old better best worse worst more most farther farthest further furthest less least older old

7、est 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“更或“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,形容词的最形容词的最 高级前面一定要有定冠词高级前面一定要有定冠词 the，副词的最副词的最 高级前高级前可加不加可加不加。后面可带后面可带of，in短语短语来说来说 明比较的明比较的范围范围 Our school is bigger than theirs. This bridge is longer than that one. Shangh

8、ai is the biggest city in China. Lucy sings (the) best of all. Summer is very hot.Summer is very hot. Summer is _ than spring.Summer is _ than spring. Summer is_season of the four.Summer is_season of the four. Winter is very cold.Winter is very cold. Winter is _ than autumn.Winter is _ than autumn.

9、Winter is _season of the four.Winter is _season of the four. hotter the hottest colder the coldest Liu Xiang is taller than Pan Changjiang. Yao Ming is the tallest of the three. 1. 比较级比较级 + than “比比更更” more delicious than better than older than two years This cake is _ （味更美）（味更美）that one. Li Lei sin

10、gs _（比（比更好）更好）Jim. He is _(比比更大）更大）me . 2. 比较级比较级 ， or ? “哪个更哪个更?” 表示表示两者两者之间的选择之间的选择. 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，形容词的比较级前面一般不加冠词， 但表示“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 ”。 She is the taller of the two girls. Do you know the f

11、atter boy of the two under the tree ? Which book is newer? This one or that one? 1 哪本书哪本书更新更新一些，这本一些，这本还是还是那本？那本？ Tom is the taller of the two boys. 2 Tom 是这两个男孩中是这两个男孩中较高的较高的一个。一个。 5.The+比较级比较级，the+比较级比较级 “越越,越越” 4.比较级比较级+and+比较级比较级 “越来越“越来越 ” The weather is getting （越来越暖和）（越来越暖和）. Our school is ge

12、tting （越来越漂亮）（越来越漂亮）. The more you eat,the fatter you will be. The more,the better. more and more +原级原级 warmer and warmer more and more beautiful 6. 注意：注意：比较级前面可以用比较级前面可以用even(更加更加)， much/far a lot(得多得多)，a littlie/bit (一点一点), 等词语表示不定程度或数量。等词语表示不定程度或数量。 This room is much bigger than that one. I am a

13、little taller than he . He studies even harder than before. 7,表示“几倍于表示“几倍于”时，时，用用倍数倍数+比较级比较级+than” 表表 示示 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。 This stone is _ _ than that one. bigger much far a little 1.The more exercise you take , the _ you will be. A .weak B. healthier C.lucki

14、er D.worse 2.Every knows China is getting _ A .rich and rich B.richer and richer C. the richer,the richer D .richest and richest the+比较级比较级.the+比较级表示“越比较级表示“越越越” 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 c

15、lean B B C 比较级比较级+and+比较级比较级 表示“越来越表示“越来越” “more and more +原级”表示“越来越原级”表示“越来越” 4.Of the two rooms, this one is _ A. big B.bigger C.the bigger C 在“在“of the two” 结构中，用“结构中，用“the+比较级”比较级” 表示“某两个人表示“某两个人 或物中较或物中较.”的一个的一个 1the+最高级最高级+of /in 短语短语 Bob is the tallest boy in our school. She is the most caref

16、ul student of us three. 2.最高级最高级 ，A, B or C? “哪个最哪个最?” Who is the youngest, Jim, Tom or Jenny? Which is the most expensive, a bicycle, a car, or a plane? 3one of the+最高级最高级(形形)+名词名词(复复)+ 表示范围的短语表示范围的短语 “是是当中当中 最最之一”之一” Shanghai is one of the biggest cities in China. 4the +序数词（序数词（second,third)+最高级最高

17、级+ 表示范围的短语表示范围的短语 “是第是第(二二,三三)最最” 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. the most di

18、fficult worst 5.Which goes _ (fast),the bus,the cat or the train? 6.Huanghe is the second _(long)river in China. 7.I think Jim works_(hard) in our class. the busiest the easiest fastest longest hardest as + 原级原级 + as “和和一样”一样” He is _(一样高一样高) Jim . She studies _(一样努力一样努力) Mary. . not as(so) + 原级原级 +

19、 as “不如不如/没有没有” He isnt as tall as Jim. less +原级原级 + than “不如不如/没有没有” She studies _than Mary She doesnt study as hard as Mary He is _than Jim. as tall as as hard as less tall less hard not as(so) + 原级原级 + as 隐含前者不如后者，隐含前者不如后者， 可转化为可转化为 “比较级“比较级+than” He isnt as tall as Jim. She doesnt study as hard

20、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：形容词副词的最高级可转换为以下比较级句式： 1、比较级、比较级+than +any other+名词单数名词单数 2、比较级、比较级+than+the +other+ 名词复数名词复数 He is the tallest student in his class. He is taller than _ _ _ in his class. He is taller than _ _ _ in his class. any o

21、ther student the other students Changjiang River is longer than any other river in China. Changjiang River is longer than any river in Japan. 注意注意：当比较双方属同一范围时，：当比较双方属同一范围时，应用应用other排除自身。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，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， 所以所以不用不用other。 写出下列句子的同义句 1.Shanghai is the biggest c

22、ity 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 other the other the biggest 1. The bread is _ than these cakes. A. very delicious B. much deliciousC. more delicio

23、us 2. 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. largest 4. A horse is _ than a dog . A. much heavy B. more heavier C. much heavier 5. Which subject i

24、s _ , physics or chemistry ? A. interesting B. most interesting C. more interesting 6.-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 brothers C C B C C C C 8.David is taller than _in this

25、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 countries 10.The baby cried _. A harder and harder B hard dand hard C more and more hard 11.He is _of the two. A taller B the taller boy C the tallest boy 12. H

26、e jumps of the three. A. further B. farthest C. furthest 13.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. st

27、rong and strong B. stronger and stronger C. more strong and strong B B A B B C B B 用括号内形容词或副词的适当形式填空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. Its so late, so I drive the car _(slowly) than usual. 3. He went _(far) than the other people。 4

28、. 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 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) strong stronger less farther/further long smaller more expensive more slowly good the biggest wider smaller the most expensive thinner more quickly Thanks