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while: [ (h)wail ] While用法小结 一、while作名词用,表示“一会儿”“一段时间”1.She likes to lie down for a while after lunch.她喜欢午饭后躺一会儿.2.Coming to another country to study requires a big adjustment and it takes a while to fit in.来到

While用法:一、while作名词用,表示“一会儿”“一段时间”. 1.She likes to lie down for a while after lunch. 她喜欢午饭后躺一会儿. 2.Coming to another country to study requires a big adjustment and it takes a while to fit in. 来到另一个国家求

while 一段时间;当……时(和……同时);却 (1)i”ll be back for a while (2)he fell asleep while doing homework. (3)john was dressed in brown while mary was dressed in blue 连词while大致有以下四种用法: 1.引导时间状语从句,意为"当…

当n==1时执行while循环结构里的语句,当n不等于1时,则跳过该循环执行循环体外的语句.while 循环的格式:while (表达式){语句;} while 循环的执行顺序:当表达式为真,则执行下面的语句,语句执行完之后再判断表达式是否为真,如果

while 的用法:1)用在表示进行时态的句子中:如:While he was doing homework,Jim came in.2)用在两个动作同时进行的句中:如:While he was dancing,Jim was singing.3)表示对比,但没有发生转折:如:While he is a student,she is a teacher.4)表示状态:如:While he was at home,he finished his homework.总之,只要句中出现了Be动词,不管句子的意思如何,表示"当"这个意思的时候,正式场合都用"while".

【while的用法】 (1)引导时间状语从句,从句中的谓语动词应用延续性动词或表示状态的词.eg.While the discussion was still going on,George came in.当讨论还在进行时,乔治走了进来.Strike while the iron is hot.趁

一、while作名词用,表示“一会儿”“一段时间”1.She likes to lie down for a while after lunch.她喜欢午饭后躺一会儿.2.Coming to another country to study requires a big adjustment and it takes a while to fit in.来到另一个国家求学,需要花一段

while用作连词时,有以下几种含义:1、意为“当……时候,和……同时”,引导时间状语从句.例如: While I was watching TV,the bell rang.我看电视时,铃响了.) Tom watched TV while she ate her supper.(汤姆边吃晚饭边看电视.)2、

while和do…while语句都是循环语句,功能都差不多,唯一的区别在于检验条件的时间上.while语句在进入循环体之前要先判断条件是否成立,如果成立的话则进入循环体.而do…while语句则相反,是先执行循环体,然后再判断条件是否成立,

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