小学形容词的比较级和最高级

形容詞比較級和最高級一 形容詞比較級和最高級用法 在英語中，在表示兩者作比較時，形容詞要用特別形式，稱為“比較級”，三者及三者以上作比較時用“最高級”，原來形容詞稱為“原級”。e.g. You look taller than me .你比我高。 You are heavier than me.你比我重。 I am the strongest in my class. 我是我們班最強壯。二.形容詞比較級和最高級句型結構 1.比較級句型：主語A+ be 動詞 + 形容詞比較級 + than + B A比Be.g. He is older than me.他比我年長。【拓展】比較級其他表達方式the+形容詞比較級+of the two+表示.是兩者中較。e.g. He is the heavier of the two boys. Look at the two boys. My brother is the taller of the two.比較級+and+比較級表示越來越。e.g. He is getting taller and taller.他越來越高。the+比較級，the+比較級表示越越。e.g. The more careful you are，the fewer mistakes youll make 你越細心，就會越少犯錯誤。 he more we get together, the happier we will be.我們聚得越多，我們就越開心The harder you work , the better youll be.你越努力工作，你就會變得越好。輔助練習：1. Jim is _ than all the others. (tall)2. Things are getting _ and _. (bad)3. The higher you climb, the _ it will be. (cold)2.最高級句型：主語 + be動詞 + the + 形容詞最高級 + 介詞短語 （介詞短語：in my class ,in the room ,in the hall ）e.g. He is the tallest in our class.【拓展】最高級其他形式主語+be+ one of the+形容詞最高級+複數名詞+in/of短語表示是中最之一e.g. Beijing is one of the largest cities in China.序數詞+最高級e.g. Hainan Island is the second largest island in China.輔助練習：1.The changjiang river is _ (long) river in China.2. The Yellow River (Huang He) is _ （第二長）river in China3.A.形容詞比較級和最高級變化規則構成原級比較級最高級單 音 節 和 少 數 雙 音 節 單 詞一般詞尾加-er, -esttalllongoldsmalltallerlongeroldersmallertallestlongestoldestsmallest以字母e結尾形容詞或副詞,直接加-r,-stnicefinelargenicerfinerlargernicestfinestlargest以重讀閉音節結尾形容詞或副詞,如末尾只有一個輔音字母,雙寫該字母,再加-er,-estbighotfatthinbiggerhotterfatterthinnerbiggesthottestfattestthinnest以“輔音字母+y”結尾形容詞或副詞，把y變為i，再加-er,-estheavybusyearlyeasyheavierbusierearliereasierheaviestbusiestearliesteasiestB. 部分雙音節與多音節詞比較級在原級之前加more, 最高級在原級之前加most beautiful-more beautiful-most beautifulinteresting- more interesting most interestingdifficult- more difficult most difficultC.不規則變化形容詞: little / few - less least good better - bestbad/ill - worse worst far - farther/furtherfarthest/furthestmany/much more most e.g. 比較一下下列句子，領悟原級、比較級、最高級用法。Tom is tall.他很高。 Tom is as tall as John.湯姆和吉姆一樣高。Bob is taller than John.鮑勃比約翰高。John is the tallest of the three.約翰是三個當中最高一個。John is the tallest in his class.約翰在他們班最高。【課外拓展】1.在比較等級中常用much, a lot, far, even等常修飾比較級，表程度。e.g.姚明比我高多了。Yao Ming isverytaller than I.（誤）Yao Ming ismuchtaller than I. （正）2.在比較等級句型中，比較雙方必須是同類事物，否則會引起歧義。即人與人，物與物比較。e.g. 他尺子比我長。His ruler is longer thanme.（誤）His ruler is longer thanmine. （正）3.形容詞最高級前一般有定冠詞，但如果前邊也有物主代詞，名詞所有格等詞來修飾時，定冠詞the常被省略。e.g.加裏是我最好朋友。Garyis mythe bestfriend.（誤）Gary is mybestfriend. （正）4.形容詞比較級前一般不加定冠詞，但句中有“of the two”結構表示“兩者中較一個”時，定冠詞the要加上。e.g.蘇珊是這兩個女孩子當中較胖一個。Susan isfatterof the two girls.（誤）Susan isthe fatterof the two girls. （正）同步練習：一、選擇題。1. She is _ than _ .A. busier / us B. busier / we C. more busy / us D. more busy / we2. Jane is _ than Betty.A. less taller B. less tallest C. less tall D. not as tall3. China is _ country in the world.A. the third largest B. the largest third C. the third large D. a third largest4. -Which is _ season in Beijing?-I think its autumn.A. goodB. betterC. bestD. the best5- Which is_ , the sun, the moon or the earth?- Of course, the moon is.A. smallB. smallerC. smallestD. the smallest6.The air in Beijing is getting much _ now than a few years ago.A. cleanB. cleanerC. cleanestD. the cleanest7. Mobile phones are very popular now and they are _ than before.A. cheapB. cheaperC. cheapestD. the cheapes8I study English as_ as my brother.A. hard B. harder C. hardest D. the hardest9. Which is _ , a bicycle or a computer?A. expensiveB. more expensiveC. the most expensive D.expensiver10. The Yellow River is one of _rivers in China.A. long B. longer C. the longest D. longest二、寫出下列單詞比較級和最高級。1. nice _ 2. fat _3. slow _ 4. dry _5. happy _ 6. wet _7. much _ 8. ill _9. little _ 10. bad _三. 根據句意，用所括號內所級形容詞正確形式填空。1. Mr. Smith is _ man in this office. (rich)2. Winter is _ season of the years. (cold)4. It is much _ today than yesterday. (hot)5. She is a little _ than her classmates. (careful)6. Bob is _ ( young ) than Fred.but _ (tall) than Fred.7. Almost all the students faces are the same ,but Li Deming looks _ (fat) than before after the summer holidays. 8.Which is _ (heavy), a duck or a chicken? 9. An orange ia a little _ (big) than an apple, but much _ (small) than a watermelon.10.- How _ (tall) is Sally? -She s 1.55 metres _ (tall). What about Xiaoling? - She s only 1.40 metres _ (tal)l) She is much _ (short) than Sally.2) She is also the _ (short) girl in the class.四、課堂總結：和學生一起，對本次課主要內容作總結概括，並用紅筆留痕。五課外作業布置：（）1.Kenis_thanAnn.A. tallB. tellerC. taller（）2.Whoisthe_?A. oldestB. olderC. old（）3.How_isKen?A. manyB. much C.heavy（）4.Im147_tall.A. kilogramsB. centimetersC. meters（）5. The book is _ of the two. A. thinner B. the thinner C. more thinner （）6. Which do you like _, coffee, tea or milk?A. the worst B. worse C. the worse ( ）7.Jim is 40 kg. Tom is 38 kg. Tom is _ than Jim. A. taller B. thinner C. heavier ( ）8.Tom is 120 cm. Jack is _. Than him. A. tall B. taller C. heavier( )9. My sister is good at sports, She can jump _ than me. A. highest B. too high C. much higher一寫出以下各形容詞比較級和最高級：1. thin _ 2. far _3. early _ 4. careful_5. exciting _ 6. busy _二 根據句意，用所括號內所級形容詞正確形式填空：1. _ people came to the meeting than last time. (many)2. Which book is _, this one or that one? (easy)3. My room is _ than yours. (small)4. Hainan is _ from Beijing than Hunan. (far)5. Skating is _ than swimming. (exciting)6.He is _ (bad) at learning maths. He is much _ (bad) at Chinese and he is the _ (bad) at English.7. Annie says Sally is the _ (kind) person in the world. 8. He is one of the_(friendly) people in the class, I think.9. A dictionary is much _ (expensive) than a story-book.10.- Annie plays the piano very _ (well).- Sue plays it _ (well) than Annie. And Sally plays it the _ (well).11. The Changjiang River is the _ (long) river in China.1