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⒂ sick與ill區(qū)別：sick和ill都表示“生病的”,但是,sick可以做定語、表語,而ill只能做表語。如：He has been ill/sick for a long time and he is very weak now.(他病了很久,現(xiàn)在非常虛弱) / Vets help treat sick pets and most of the pets’ owners like them.(獸醫(yī)幫助診治患病的寵物,
很受寵物主人們的喜愛)
⒃ the poor(窮人們) / the rich(富人們)等用法：“the+形容詞”這一結(jié)構(gòu)可以表示一類人物,復數(shù)含義。
如：We must try our best to help the poor.(我們應該盡力幫助窮人們)
/ The rich never know how the poor are living.(有錢人哪知窮人怎么過日子)
二、副詞：用來說明事情發(fā)生的時間、地點、原因、方式等含義或說明其它形容詞或副詞程度的詞叫做副詞。
1、副詞在句子中的位置以及作用：
⑴作狀語：
① 時間副詞：一般放在句首或句尾,注意,early、late、before、later、yet等一般放在句尾,
already、just一般放在動詞的前面。如：We will visit the Great Wall tomorrow.(我們明天要去參觀長城) / They have already been to the UK twice.(他們?nèi)ミ^英王國兩次) /
Soon the lost boy found his way back home.(不久迷路的孩子找到了回家的路)
② 頻度副詞：一般放在be動詞之后或者助動詞與主要動詞之間,但sometimes、often等
還可以放在句首或句尾,usually可放在句首,once可放在句尾,twice、three times等一般放在句尾。如：Sometimes I get up early.(我有時起得早)/ The workers usually have lunch at the factory.
(工人們通常在廠里吃午飯) / Take this medicine twice a day.(這種藥一天吃兩次)
③ 方式副詞：一般放在行為動之后,suddenly可以放在句首、句尾或動詞之前。如：Old people can hardly walk as quickly as young people.(老年人幾乎不可能走得和年輕人一樣快) / Suddenly he saw a light in the dark cave(山洞).(突然,在黑黢黢的山洞里,他看見了一絲亮光)
④ 地點副詞：一般放在句尾,但here、there還可放在句首。如：There you can see thousands of bikes running in all directions(方向).
(在那里,你可以看到成千上萬的自行車朝各個方向流動) / The frightened wolf ran away.
(受到驚嚇的狼逃開了)/ He walked out quietly and turned back soon.(他悄悄地走了出去,很快又返回)
⑤ 程度副詞：修飾動詞時,放在動詞之前;修飾形容詞或副詞時,放在形容詞或副詞之前。
但注意,enough總是放在被修飾的形容詞或動詞的后面;only位置比較靈活,總是放在被修飾的詞的前面。如：I nearly forgot all about it if he did not tell me again.(如果他不再次告訴我,我?guī)缀醢涯鞘氯? / It was so strange that I could hardly believe my ears.(它那么奇怪一直我都不能相信我的耳朵) / She got to the station early enough to catch the first bus.(她早早地趕到車站趕上了首班車)
⑥ 疑問副詞：用于對句子的狀語進行提問,位置總是在句首。如：When and where were you born?
(你何時何地出生?)/ Why did little Edison sit on some eggs?(小愛迪生為什么要坐在雞蛋上?)/
How do you do?(你好!)
⑦ 連接副詞：用來引導主語從句、賓語從句和表語從句,在從句中作狀語。
How I am going to kill the cat is still a question.(我打算怎樣殺死那只貓還是個問題)/ That is why everyone is afraid of the tiger.(那就是人人都害怕老虎的原因) / He wondered how he could do it the next day.(他不知道第二天怎樣做那事)
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