1、形容詞,decide小議,1. decide to do sth. 決定做某事。,e.g We decide to visit Peking University on Sunday.,2. decide on sth./doing sth. 決定(做)某事。,e.g We have decide on going for a tyip next week.,3. decide +特殊疑問(wèn)詞+to do.,e.g We cant decide which one to choose.,4. decide+賓語(yǔ),e.g He decided that he could buy a new car

2、.,prefer 知多少,1.prefer to do sth. 更喜歡做某事,e.g They prefered to go with me.,2. prefer sth. to sb. 喜歡某物勝過(guò)另一物,e.g She prefers coffee to milk.,3. prefer doing (sth.) to doing (sth.). 寧愿做（某事）而不愿意做（另一件事）,e.g He prefer riding bike to driving.,4. prefer to do (sth.) rather than do (sth.) =prefer doing (sth.)

3、to doing (sth.) 寧愿做（某事）而不愿意做（另一件事）,I prefer the red ones. Theyre better than the black ones. Yes, but the black ones look nicer. The black ones dont look as warm as the red ones. Theyre thinner than the red ones. Theyre as thick as the red ones. Theyre the cheapest ones as well!,仔細(xì)觀察哦！,形容詞的比較等級(jí),1.形容

4、詞原級(jí)的用法 形容詞的原級(jí)常用于“asas”及“not as(so) as”兩種句型中。 1）.句型“asas”，表示兩者相比較，程度相同。例如： The old man walks as fast as a young man.這位老人走路與青年人一樣快。 Science is as important as maths.自然科學(xué)與數(shù)學(xué)一樣重要。 This coat is as expensive as that one.這件上衣與那件一樣貴。 2）.句型“not as(so) as”，表示兩者相比較，程度不一樣。例如： Im not as tall as Jack. 我不如杰克高。 She

5、 doesnt run so fast as I. 她不如我跑得塊。 This warship is not so big as that one.這條軍艦不如那條大。 同級(jí)比較歌訣 同級(jí)比較用原級(jí)，asas不分離；若是否定加not，asas否前者。 asas加not，只說(shuō)兩者有區(qū)別。soas加not，后者總是強(qiáng)前者。 3）.在使用“asas”與“not as(so) as” 句型，應(yīng)該特別注意“asas”或“not as(so) as”中間的形容詞必須是形容詞的原級(jí)。例如： （正）Today is as warm as yesterday.（誤）Today is as warmer as y

6、esterday. （正）Im not so careful as my brother.（誤）Im not so more careful as my brother.,4）.需要注意的原級(jí)形容詞用法： “數(shù)詞times+as+形容詞原級(jí)as”（是的幾倍）。例如： This tree is twice as short as that one.這棵樹(shù)比那棵樹(shù)矮兩倍。 My scores are three times as many as yours.我的比分是你的三倍。 This road is four times as wide as that one.這條馬路的寬度是那條的四倍。 “

7、half+as+形容詞原級(jí)as”（的一半）。例如： My English is not half as good as yours.我的英語(yǔ)不如你的一半好。 This town is half as big as ours.這個(gè)城鎮(zhèn)有我們的城鎮(zhèn)一半大。 The rivers in the north arent half as many as those in the south. 北方的河流不如南方的一半多。 “asas”結(jié)構(gòu)中，若形容詞作定語(yǔ)修飾可數(shù)名詞單數(shù)，不定冠詞a(an)應(yīng)置于形容詞與名詞之間。例如： English is as important a subject as math

8、s.英語(yǔ)和數(shù)學(xué)是同樣重要的一門學(xué)科。Uncle Wang is as good a man as my father.王叔叔是與我父親同樣好的一個(gè)人。This is as famous a school as ours.這是一所與我們學(xué)校同樣著名的學(xué)校。 “asas”結(jié)構(gòu)若指同一個(gè)人或物，則并無(wú)比較意義，而只是說(shuō)明某人或某物具有兩種性質(zhì)。譯為“又又”或“不但而且”。例如： This computer is as good as it is cheap.這臺(tái)電腦質(zhì)量又好又便宜。 The boy is as strong as he is brave.這個(gè)男孩又健壯又勇敢。 The city of

9、 Suzhou is as beautiful as it is clean.蘇州城既美麗又干凈。 2.形容詞的比較等級(jí)的構(gòu)成,3.形容詞的比較級(jí)的用法 1)表示兩者之間比較時(shí)，用“形容詞比較級(jí)than”或“l(fā)essthan”兩種句型。例如： Your mother looks healthier than before.你媽媽看上去比以前健康了。 Im less interested in basketball than you.我對(duì)籃球的興趣不如你大。 2）.形容詞的比較級(jí)還可以用于以下句型中。 more and more（越來(lái)越）。例如： The park is getting more

10、 and more beautiful.這個(gè)公園變得越來(lái)越美了。 China had become stronger and stronger.中國(guó)已變得越來(lái)越強(qiáng)大了。 the morethe(越就越)。例如： The more books we read, the cleverer we will become. 我們讀的書越多，就會(huì)變得越聰明。The more trees, the better. 樹(shù)越多越好。 The sooner, the better. 越早越好。 The more exercise we take, the healthier we are.我們?cè)藉憻挘眢w就越健康

11、。 “the比較級(jí)of the two(兩個(gè)中較的一個(gè))”。例如： Id like to go to the farther of the two places.兩個(gè)地方相比較，我愿意去更遠(yuǎn)的一個(gè)。 She is the fatter of the two girls.她是那兩個(gè)女孩中較胖的一個(gè)。 “比較級(jí)than any other+單數(shù)名詞（比其他任何都）”。例如： Li lei is taller than any other boy in his class. 李雷比他班上任何一個(gè)男孩都高。（暗指：李雷最高） The population of China is larger than

12、 any others in the world. 中國(guó)的人口比世界上任何國(guó)家的人口都多。（暗指：中國(guó)人口最多）,3）.形容詞的比較級(jí)前還可以用much,a lot, far, even, still, a little, no, any等表示程度的詞來(lái)修飾。例如： I feel a little better than yesterday.我感覺(jué)比昨天好一點(diǎn)兒了。 The job is far more difficult than before.這工作比以前要難得多。 4.形容詞的最高級(jí)的用法 1)三者或三者以上相比較用“the最高級(jí)名詞范圍”。例如： This is the cleane

13、st place of the city.這是這個(gè)城市最清潔的地方。 Hu Yun is the fastest of all the girls in our class.胡云是我們女生中跑得最快的。 2）.表示“最之一”，用“one of the+形容詞最高級(jí)復(fù)數(shù)名詞”。例如： The Great Wall of China is one of the greatest buildings in the world.中國(guó)的長(zhǎng)城是世界上最偉大的建筑之一。 This is one of the most interesting books that Ive ever read.這是我讀過(guò)的最有

14、趣的書之一。 注意. 形容詞的最高級(jí)前面必須加定冠詞the，但當(dāng)形容詞最高級(jí)前面有物主代詞修飾時(shí)，則不加the。 例如： （正）This is my best friend. （誤）This is my the(the my) best friend. （正）Today is the happiest day of my life. （誤）Today is happiest day of my life.,練一練吧,用所給詞的適當(dāng)形式填空 1.Your classroom is _ (wide) and _ (bright) than ours. 2.There are _ (few) hou

15、rs of sunlight a day in winter than in summer. 3.Which do you like _ (well) , maths or chemistry? 4.This is the _ (good) film I have ever seen. 5.Africa is the second _ (large) continent. 6.What he said made his mother much _ (angry) . 7.Im not as _ (careful) as he. 8.Weve got as _ (many) books as we need. 9.Pratice as _ (much) as you can. 10.They have done _ (much) work with _ (little) money. 11.Youre the _ (kind) person Ive ever met. 12.He is_ (young) than his two sisters. 13.The_ (old) I get, the_ (strong