八年級英語比較級和最高級講解與練習

1、 比較級和最高級一、比較級的用法:當兩個人或事物（A和B）進行比較時，我們需要用到形容詞（副詞）的原級或者比較級1 表達“A和B一樣”，用asas的結構。公式: A+be動詞+as+形容詞原級+as+B A+實義動詞+as+副詞原級+as+BEg I am as tall as you. He runs as fast as I. 我的房間和她的一樣大。 他游得和我一樣好。2表達“A不如B”用not asas的結構。公式: A+be動詞的否定形式+as+形容詞原級+as+B A+助詞的否定形式+動詞+as+形容詞原級+as+BEg I am not as tall as you. He doe

2、snt run as fast as I. 我的房間沒有他的大。 我沒有他游得好。3. 表達“A大于B”用“比較級+than”的結構。公式: A+be動詞+形容詞比較級+than+B A+實義動詞+副詞比較級+than+BEg I am taller than you.我比你高。He runs faster than I. 他跑得比我快。我的房間比他的大。 我游得比他的好。 4. 表示A 是.中最大的結構公式： A+be動詞+the +形容詞最高級+范圍 A+實義動詞+the+形容詞最高級+范圍I am the tallest in my class. He runs the fastest

3、in my class. 我的房間是這里最大的。 我游得是我們班最好的。 二.形容詞和副詞的比較級和最高級的變化方法如下(1) 符合規(guī)則的：情 況加 法例 詞一 般 情 況直接加 -er ; -estall-taller-tallest以不發(fā)音e結尾的詞去e加 er ; -estnice-nicer-nicest以“輔音+y”結尾的詞變y為i再加-er ; -estdry-drier-driestheavy-heavier-heaviest重讀閉音節(jié)結尾的詞雙寫末尾輔音字母，再加-er ; -estthin-thinner-thinnest多音節(jié)和部分雙音節(jié)單詞在詞前加 more ; most

4、more deliciousmost delicious(2)幾個不規(guī)則的形容詞和副詞的比較級和最高級如下表：原 級比較級最高級good , wellbetterbestbad , illworseworstmany , muchmoremostlittlelessleastfarfarther / furtherfarthest / furthest練習1：寫出下列詞的比較級和最高級tall slow small fast smart few nice fine large late brave pretty easy funny happy lazy heavy dirty dry ear

5、ly busy slim hot big thin fat wet beautiful interesting important dangerous expensive polite careful exciting bad/badly/ill little many/much old far 練習2 填空1. Bob is _ ( young ) than Fred but _ (tall) than Fred. 2. Yingtian is not as _ (tall) as Yongxian. 3. Almost all the students faces are the same

6、 but Li Deming looks _(fat) than before . 4.Which is _ (heavy), a hen or a chicken? 5. He is _ (bad) at learning maths. He is much _ (bad) at Chinese and he is the _ (bad) at English. 6. Annie says Sally is the _ (kind) person in the world. 7. An orange ia a little _ (big) than an apple, but much _

7、(small) than a watermelon.8. The Changjiang River is the _ (long) river in China.9. Sue is a little _ _ (beautiful) than her sister.10.My room is not as _ (big) as my brother s.11.-How difficult is physics? -I m not sure. - Is it _ (difficult) than maths? - I don t think so.12.- Annie plays the pian

8、o very _ (well). - Sue plays it _ (well) than Annie. And Sally plays it the _(well).13. Saturday is my _ (busy) day in a week.練習3：選擇1. Which do you like _, tea or coffee? A. well B. better C. best D. most2.This work is _ for me than for you. A. difficult B. most difficult C. much difficult D. more d

9、ifficult3.Who jumped_of all? A. far B. farther C. farthest D. the most far4.Li Lei is_ student in our class. A. tall B. taller C. tallest D. the tallest5. Tom is one of _ boys in our class. A. tallest B. taller C. the tallest B. the tall6. English is one of_ spoken in the world. A. the important lan

10、guages B. the most important languages C. most important language D. the most important language7. Which is_, Li Lei or Wu Tong? A. strong B. strongest C. stronger D. the strongest8.Jean works hard but she doesnt work _ Mary. A, as harder than B, as hard than C, as harder as D, as hard as9.This is _

11、 book in our library. A, the most interesting B, most interesting C, the more interesting D, more interesting10.They got a Christmas tree and it was _ ours. A, so tall as B, so taller as C, as tall as D, as taller as11.A taxi doesnt run as _ as an underground train. A, fast B, faster C, fastest D, m

12、ore fast12.Yangpu Bridge is one of _ in the world. A, bigger bridge B, the biggest bridge C, the biggest bridges D, bigger bridges13.Her cousin can draw _ an artist. A, as well as B, not so well as C, as better as D, as good as14.Jinmao Tower is _ building in Shanghai. A, high B, tall C, highest D, the tallest15. This