while的連詞四大用法
你可能知道while除了表示“當……的時候”，還有它與when, as的用法區別，但是這些還不夠全面，下面，小編在這給大家帶來while的連詞四大用法，歡迎大家借鑒參考!
一、考查表示時間的用法，其意為“當……的時候”。
如：
We must strike while the iron is hot.
我們要趁熱打鐵。
Stand still while I take your photograph.
我給你拍照時站著不要動。
Have we got enough books to read while we are on holiday?
假期里我們有足夠的書看嗎?
Were there any calls for me while I was out?
我出去的時候，有人來過電話嗎?
She hates anyone listening while she is telephoning.
她打電話時不愿讓任何人聽。
二、考查表示讓步的用法，其意為“盡管”“雖然”。
如：
While the work was difficult, it was interesting.
雖然工作有難度，但很有趣。
While I understand what you say, I can’t agree with you.
雖然我理解你的意思，但我還是不同意。
While the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.
雖然因特網很有幫助，但我還是認為在其上花太多的時間不是個好主意。
While we don’t agree we continue to be friends.
盡管我們意見不同，我們還是朋友。
While I did well in class, I was a poor performer at games.
雖說我學習不錯，我運動卻不行。
While a few became richer, many did not.
雖然一些人變得更富有了，但多數人并非如此。
三、考查表示對比的用法，其意為“而”“但”。
如：
In some places women are expected to earn money while men work at home and raise their children.
有些地方婦女掙錢，而男子則在家里持家和帶孩子。
Air is a fluid but not a liquid, while water is both a fluid and a liquid.
空氣是流體不是液體，水是流體也是液體。
Some people waste food while others haven’t enough.
一些人糟踏食物而另一些人卻食不果腹。
I went swimming while the others played tennis.
我去游泳，而其余的人則去打網球了。
Prices are rising sharply, while incomes are lagging far behind.
物價飛漲而收入卻遠遠落后。
注意：這樣用時，while引出的句子通常位于末，但有時也可位于句首。
如：
While most children learn to read easily, some need extra help.
大多數兒童學會閱讀很容易，有一些兒童卻需要特別幫助。
While some languages have 30 or more different vowel sounds, others have five or less.有些語言有30個或更多的元音，而其他語言只有5個或更少的元音。
While Deauville is a holiday resort, Trouville is more of a working town.
特維爾是個度假勝地，而特魯維爾更多的卻是個工業城市。
四、考查其省略用法，即主句與從句主語相同，且從句謂語動詞含有動詞be時，通常可省略從句主語和動詞be。
如：
While (he was) in prison, she wrote her first novel.
她在獄中寫出了第一部小說。
He had strayed from home while still a boy.
他小時候就離開家到處流浪了。
He fell asleep while (he was) doing his homework.
他做著做著功課就睡著了。
I was only listening to the radio with half an ear, while (I was) preparing some food.
我正在做吃的東西，沒太留心聽收音機。
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