when, while这三个词都有"当……时候"之意,但用法有所不同,使用时要特别注意. ①when意为"在……时刻或时期",它可兼指"时间点"与"时间段",所引导的从句的动词既可以是终止性动词,也可是持续性动词.如: When I got home, he was having supper.我到家时,他正在吃饭. When I was young, I liked da...
while是during the time that,只指一段时间,因此when引导的时间状语从句中的动词可以是终止性动词,也可以是延续性动词,而while从句中的动词必须是延续性动词。②when 说明从句的动作和主句的动作可以是同时,也可以是先后发生;while 则强调主句的动作在从句动作的发生的过程中或主从句两个动作同时发生。 ③由when引导...
1. When和while都表示“当……时候”,但用法有所不同,要特别注意。2. When可以指时间点或时间段,适用于终止性动词和持续性动词。例如:- When I got home, he was having supper.(我到家时,他正在吃饭。)- When I was young, I liked dancing.(我年轻时喜欢跳舞。)3. While只指时间...
When的使用:用于进行时:虽然When常用于进行时的情况较为普遍,但它并不限于此。表示任意时间:When可以表示任何时间,不仅限于强调“正在进行”的行为。表示一连串动作:When可以用来连接一系列连续发生的动作,如“When he stood up, put up the clothes, opened the door and looked out, he found...
b. I do every single bit of housework my husband Bob just does the dishes now and then .[04广西]A.since B.while C.when D.as 3、表示让步,通常用在句首,意思是“尽管”、“虽然”,如:While he had a handsome income, he couldn’t afford to buy a piano.他虽然收入不少,但卖不起钢琴。...
when&when不可以混用的情况 当主句和从句的动作会延续一段时间,而非瞬间完成的动作,通常就会用while 例句1:WhileI wasreading, my mother and teacher weretalkingon the phone. 我在看书时,妈妈和老师正在通电话。 例句2:My grandpa wassweepingthe floorwhilemy grandma waswashing...
when, while这三个词都有"当……时候"之意,但用法有所不同,使用时要特别注意. ①when意为"在……时刻或时期",它可兼指"时间点"与"时间段",所引导的从句的动词既可以是终止性动词,也可是持续性动词.如: When I got home, he was having supper.我到家时,他正在吃饭. When I was young, I liked da...
没有特别分先后 但通常时间长的action 先 e.g.:He was listening to the radio while she falled down.when and while toshow that something happened at the same time as something else. when to talk about that happened that happened at a point in time.有指定时间 while to talk about...
as,when,while as,when,while均可表示两个行动或情况同时发生,但又有某些区别: (1)表示“背景”。 当表示某事在另外一件事情正在进行中而发生时,可用as. when或while引出较长的(正在进行的)“背景”情况。该情况在此前开始,并可能在此后还要继续下去。 As/When/While I was walking down the street, I no...
when是atorduringthetimethat,既指时间点,也可指一段时间; while是duringthetimethat,只指一段时间when引导的时间状语从句中的动词可以是终止性动词,也可以是延续性动词,而while从句中的动词必须是延续性动词。practiceWhenI…Hewasdoing…WhenIcalledhimup,hewashelpinginthekitchen.While…he While...