1、精選 word范本，供參考! 課前準備：檢查學生掌握單詞情況（聽寫） 一、形容詞、副詞的比較級和最高級的構成規則 1一般單音節詞和少數以-er，-ow結尾的雙音節詞，比較級在后面加-er， 最高級在后面加-est ； （1） 單音節詞 女口： small f smaller smallest short shorter shortest tall taller tallest great greater greatest （2） 雙音節詞 女口： clever cleverer cleverest narrow narrower narrowest 2以不發音 e 結尾的單音節詞，比較在原級后

2、加-r，最高級在原級后加-st ; 女口： large larger largest nice nicer nicest able abler ablest 3在重讀閉音節（即：輔音+元音+輔音）中，先雙寫末尾的輔音字母，比 較級加-er，最高級加-est ; 女口： big bigger biggest hot hotter hottest fat fatter fattest 4. 以“輔音字母+ y”結尾的雙音節詞， 把 y 改為 i，比較級加-er，最高級 加-est ; 女口： easyeasier easiest heavy heavier heaviest busy busier

3、 busiest happy happier happiest 5. 其他雙音節詞和多音節詞，比較級在前面加 more，最高級在前面加 most; 女口： beautiful more beautiful most beautiful differe nt more differe nt most differe nt easily more easily most easily 注意：（1）形容詞最高級前通常必須用定冠詞 the，副詞最高級前可不用。 例句： The Sahara is the biggest desert in the world. （2）形容詞 most 前面沒有 the

4、，不表示最高級的含義，只表示非常。 It is a most importa nt problem. =It is a very important problem. 6. 有少數形容詞、副詞的比較級和最高級是不規則的，必須熟記。 精選 word范本，供參考! 女口： good better best well better best bad worseworst ill worseworst old f older/elder f oldest/eldest many/muchf moref most little f less f least far f further/farther f

5、 furthest/farthest 詞形變換。 比較級 最高級 large _ _ fast _ _ easy _ _ wet _ _ good _ _ importa nt _ _ well _ _ bad _ _ many _ _ little _ _ far _ _ stro ng _ _ patie nt _ _ safe _ _ expe nsive _ _ 二、形容詞、副詞的比較級和最高級的句子公式： 比較級 形容詞物體 A + am / are / is + 形比+ than + 物體 B. I am taller tha n you. Pasta is more delici

6、ous tha n pizza. 副詞物體 A +行為動詞+副比+ than + 物體 B. Cheetahs run faster tha n goats. He studies better tha n me. 最咼級 1） 物體 A + am / are / is + the + 形最高級+比較范圍（of + 人/物，in +地方）. I am the tallest in the class. Pasta is the most delicious food of the three. 2） 物體 A +行為動詞+副詞最高級+比較范圍（of +人/物，in +地方）. 精選 word范

7、本，供參考! Cheetahs run fastest in the world. He studies best of us. 1. She is tha n A. busier / us B. busier / we C. more busy / us D. more busy / we 2. Jane is than Betty. A. less taller B. less tallest C. less tall D. not as tall 3. Chi na is country in the world. A. the third largest B. the largest

8、third C. the third large D. a third largest 4. -Which is _ seas on in Beiji ng? -I think its autumn. A.good B.better C.best D.the best 5. - Which is _ , the sun, the moon or the earth? -Of course, the moon is. A.small B.smaller C.smallest D.the smallest 6. The air in Beijing is getting much _ now th

9、an a few years ago. A. clea n B. clea ner C. clea nest D. the clea nest 7. Mobile phones are very popular now and they are _ tha n before. A. cheap B. cheaper C. cheapest D. the cheapest 8. I study English as _as my brother. A.hard B. harder C. hardest 9. Which is _ , a bicycle or a computer? A. exp

10、e nsive B.more expe nsive C.the most expe nsive 10. The Yellow River is one of _ rivers in Chi na. A long B Ion ger C the Ion gest 11.She is the sec ond _stude nt in our class. A. tall B. taller C. tallest 用括號里的詞的適當形式填空。 1. Tom can jump _ (high). He jumps _ (high) tha n the other boys in his class.

11、2. Janet sing _ (well) in her class. She can sing _ (well) tha n her music teacher, too. 3. My father is _ (han dsome). But my brother is _ (han dsome) tha n him. 精選 word范本，供參考! He is _ (han dsome) in my family. 4. I have _ (many) books in my class. But my teacher has _ (many) books than _ (I). 5. _

12、 (they) house is much _ (old) tha n _ (we). 三、形容詞和副詞比較級的用法 1. . “ A + be +形容詞比較級+ than + B ”意思為“A比 B 更 . ” 如：This tree is taller than that one. 這棵樹比那棵樹高。 在含有連詞 than 的比較級中，前后的比較對象必須是同一范疇，即同類事 物之間的比較。 在比較級前面使用 much 表示程度程度“強得多”。 女口： A watermelon is much bigger than an apple. very, quite 一般只能修飾原級，不能修飾比較

13、級。 2. . “比較級+ and +比較級”或“ more and more +原級”表示“越來越 . ” 女口： It becomes warmer and warmer when spring comes. 春天來了，天氣變得越來越暖和了。 It is getting cooler and cooler. 天氣越來越涼爽。 The wind became more and more heavily. 風變得越來越大。 Our school is beco ming more and more beautiful. 我們的學校變得越來越美麗。 3. 在含有 or 的選擇疑問句中，如果有兩者

14、供選擇，前面的形容詞要用比較級形 式。 女口： Who is taller,Tim or Tom? 誰更高，Tim 還是 Tom? 4. “the +比較級 . ,the+比較級”，表示“越 . 越 . ”。 The more money you make, the more you spe nd. 錢你賺得越多，花得越多。 The sooner，the better. 精選 word范本，供參考! 越快越好。 5. 表示倍數的比較級用法： .A is times the size /height/length/width of B. 如: The new building is three

15、times the height of the old one. 這座新樓比那座舊樓高三倍。（新樓是舊樓的四倍高） .A is times as big /high/l on g/wide/large as B. 如:Asia is four times as large as Europe. 亞洲是歐洲的四倍大。（亞洲比歐洲大三倍） .A is times larger /higher/l on ger/wider tha n B. 女口： Our school is twice bigger than yours. 我們學校比你們學校大兩倍。 6. 形容詞、副詞的最高級形式主要用來表示三者

16、或三者以上人或事物的比較， 表 示“最 . ”的意思。句子中有表示范圍的詞或短語。如： of the three, in our class 等等。 女口： He is the tallest in our class. 他在我們班里是最高的。 7. 否定詞語+比較級,否定詞語+ soas結構表示最高級含義。 Nothi ng is so easy as this. =Nothi ng is easier tha n this. =This is the easiest thi ng. 8. 比較級與最高級的轉換： Mike is the most intelligent in his cla

17、ss. Mike is more intelligent than any other student in his class 注意：修飾比較級和最高級的詞 1） 可修飾比較級的詞 .a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, eve n 等。 .還可以用表示倍數的詞或度量名詞作修飾語。 .以上詞（除 by far）夕卜，必須置于比較級形容詞或副詞的前面。 注意：使用最高級要注意將主語包括在比較范圍內。 （令昔）Tom is the tallest of hi

18、s three brothers. （對）Tom is the tallest of the three brothers. 精選 word范本，供參考! 2） 下列詞可修飾最高級： by far, far, much, mostly, almost 。 This hat is n early / almost the biggest. 注意： a. very 可修飾最高級，但位置與 much 不同。 This is the very best. This is much the best. b.序數詞通常只修飾最高級。 Africa is the sec ond largest contin

19、ent. 選擇題 1. This box is_ that one. A. heavy tha n B. so heavy tha n C. heavier as D. as heavy as 2. Whe n we speak to people, we should be . A. as polite as possible B. as polite as possibly C. as politely as possible D. as politely as possibly 3. This book is _ that one, but _tha n that one. A. as

20、difficult as; expe nsive B. as more difficult as; more expe nsive C. as difficult as; more expe nsive D. more difficult as; as expe nsive 4. I think the story is not so _ as that one. A. i nteresti ng B. i nterested C. more in teresti ng D. most in terest ing 5. His father bega n to work _ he was se

21、ve n years old. A. as old as B. as early as C. since D. while 6thi nk scie nee is _ tha n Japa nese. A. much importa nt B. importa nt C. much more importa nt D. more much importa nt 7. This pen cil is _ tha n that one. A. Ion gest B. l ong C. Ion ger D. as long 8. My mother is no _ young. A. shorter

22、 B. lo nger C. little D. few 9. These childre n are _ this year tha n they were last year. A. more tall B. more taller C. very taller D. much taller 10.lt was very hot yesterday, but it is _ today. A. eve n hotter B. more hotter C. much more hot D. much hot 精選 word范本，供參考! 四、總結與作業 1. 選擇填空。 1. Birds can fly _ , eagles can fly _ than birds. They fly _ in