when和while用法上的区别,使用时如何判断
这个问题我会，虽然本人英语口语不是很好，但是对英语四六级词汇还是很熟悉的~给大家总结了一个表格可以先粗略看一下：
【含义】
1、when 英[wen]，美[wen] 英式发音与美式发音是一样的
adv. 什么时候;何时;当时;什么情况下;什么场合下;(用于时间的表达方式之后)在那时;其时;当场;
pron. 何时;什么时候;
conj. 在…时候;当…时;在…期间;在…之后;在任何…时候;一…就;考虑到;虽然;
n. 时候;
2、while 英[waɪl]，美[waɪl] 英式发音与美式发音是一样的
conj. 虽然;在…期间;当…的时候;与…同时;(对比两件事物)…而，…然而;到…时;
n. 一段时间;一会儿;
v. 消磨;轻松地度过;
prep. 直至(某时);
【用法】
when的用法
when可用作从属连词,引导状语从句,表示时间时作“当…时,在…的时候”解; 表示条件时作“如果,要是”解; 表示对比时作“既然,考虑到”解。
引导时间状语从句时，when引导的从句作“当…时”或“每逢…”解,从句中的动作既可以和主句中的动作同时发生,也可以在主句的动作之前或之后发生;
And they roared when Seaman held up two fingers.
然后当希曼伸出两根指头的时候他们就吼叫起来。I stayed till noon, when I went home.
我留到中午，然后就回家了。When all is said and done,we still must eat.
可是说到底，我们还得吃饭。
while的用法
while用作连词时,表示“在…(过程)中,在…期间”。常用来引导时间状语从句,当主句的主语和while所引导的从句的主语一致时, while从句中的主语、谓语往往可以省去。
引导时间状语从句时，while引导的从句作“当…时”或“在…期间”解,它强调从句中的动作与主句中的动作同时发生,但持续时间一般较长或主句的动作在从句的动作过程中发生。
You don't want to marry while you are studying.
在学习期间,你不要结婚。While we were talking,he came in.
我们正在谈话时,他进来了。While in prison, he wrote his first novel.
他在狱中写出了第一部小说。
while表示前后两个动作同时进行,而且前后两个动作还形成一种对照.My mother was washing the plates ,while my father was watching TV.I am five years old,while he is 7 years old.
when指当.的时候eg:When I was young,I would like to listen to the radio.When I was in london,I used to go to the Bell Tower.
when也可以表示两个动作同时发生eg:When he was looking up,she was smiling at him.不过when表达的意思相对来说要单纯,只说明两个动作在时间上同步.到底用哪个?这要看上下文,体会含义.
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绛旓細when鍜寃hile閮芥湁鈥滃綋鈥︹︾殑鏃跺欌濈殑鎰忔濓紝鏈夋椂鍙互浜掓崲锛屼絾瀹冧滑鐨鐢ㄦ硶涓嶅悓銆1銆亀hen 鐨勭敤娉曪細1)銆侀伒寰滀富灏嗕粠鐜扳濆師鍒欍傚锛欼 will call you when he comes back .褰撲粬鍥炴潵鏃舵垜鎵撶數璇濈粰浣犮2)銆佸綋涓涓姩浣滃彂鐢熺殑鏃跺欙紝鍙︿竴涓姩浣滄鍦ㄨ繘琛屻傚锛歐hat were you doing when I came into the ...
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绛旓細"when"鍜"while"閮芥槸鑻辫涓殑浠庡睘杩炶瘝锛屽湪鍙ュ瓙涓繛鎺ヤ竴涓粠鍙ュ拰涓涓富鍙ワ紝璧峰埌鏃堕棿鍏崇郴鐨勪綔鐢紝浣嗗湪浣跨敤鏃舵湁涓浜涗笉鍚岋細"when"琛ㄧず涓や釜浜嬩欢鍙戠敓鐨勬椂闂存槸鐩镐簰鍏宠仈鐨勶紝涓涓簨浠跺彂鐢熷悗鍙︿竴涓簨浠剁珛鍗冲彂鐢熴備緥濡傦細When I arrived at the airport, the plane had already taken off. 锛堝綋鎴戝埌杈炬満鍦烘椂锛...
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绛旓細while鍜寃hen鏄嫳璇腑楂橀鐨勫崟璇,瀹冧滑鐨鐢ㄦ硶鍖哄埆瀹规槗娣锋穯,涓嬮潰鎴戝氨璇︾粏缁欏ぇ瀹惰瑙ｄ笅杩欎袱涓崟璇嶇殑鍖哄埆銆 涓銆佽闊充笉鍚 while 鑻盵waɪl] 缇嶽waɪl] when 鑻盵wen] 缇嶽wen] 浜屻侀噴涔変笉鍚 while conj. 铏界劧; 鍦ㄢ︽湡闂; 褰撯︾殑鏃跺; 涓庘﹀悓鏃; (瀵规瘮涓や欢浜嬬墿)鈥﹁,鈥︾劧鑰; 鍒扳︽椂; n. 涓娈垫椂闂...
绛旓細"when"鍜"while"閮芥槸鑻辫涓殑浠庡睘杩炶瘝锛屽湪鍙ュ瓙涓繛鎺ヤ竴涓粠鍙ュ拰涓涓富鍙ワ紝璧峰埌鏃堕棿鍏崇郴鐨勪綔鐢紝浣嗗湪浣跨敤鏃舵湁涓浜涗笉鍚岋細"when"琛ㄧず涓や釜浜嬩欢鍙戠敓鐨勬椂闂存槸鐩镐簰鍏宠仈鐨勶紝涓涓簨浠跺彂鐢熷悗鍙︿竴涓簨浠剁珛鍗冲彂鐢熴備緥濡傦細When I arrived at the airport, the plane had already taken off. 锛堝綋鎴戝埌杈炬満鍦烘椂锛...
