Re: [解題] when跟while的差別

[cooluna (秋意濃)]

※ 引述《crucifixion (愛的最高境界是一聲嘆息)》之銘言：
:         在高中的時候，印象中老師似乎說過，when跟while有些用法不同
:         雖然都可以當作是"當...的時候"，可是好像有些許不同；
:         不知道有高手能解析這兩者的不同嗎？
:         (因為是腦海中很模糊的印象，所以沒例句，請見諒)

我之前也是對這分不太清楚
後來去到http://www.learnenglish.org.uk/grammar/archive/whenwhile01.html
找到個簡潔的解釋方式
給你參考

What is the difference between when and while?

Both when and while can be used to talk about actions or situations
that take place at the same time.

Swan identifies the following differences:
1. Backgrounds
   We can use both words to introduce a longer 'background' action or situation,
   which is/was going on when something else happens/happened.

e.g.Somebody broke into the house when they were playing cards.
    While they were playing cards, somebody broke into the house.

Note that when and while clauses can go at the beginning or end of sentences.

2. Simultaneous long actions
   We usually use while to say that two longer actions or situations go / went
   on at the same time.

e.g.While you were reading the paper, I was working.

If we are talking about ages and periods of life, we use when:

e.g.When I was a child we lived in London (NOT While I was a child …)
     His parents died when he was twelve (NOT … while he was twelve)

3. Simultaneous short actions
   We can use (just) when to say that two short actions or events
   happen / happened at the same time:

e.g.I thought of it (just) when you opened your mouth.
    While is not possible in this situation.

4. Reduced clauses
   It is often possible to leave out subject + be after when and while:

e.g.While/When in Germany, he got to know a family of musicians.
    (=While/When he was in Germany …)

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推 sitifan:recommendable
推 maximus1523:Could anyone substantiate "simultaneous action"
→ maximus1523:literally for me?
→ maximus1523:or at least define the time range of it...Thanks
推 maximus1523:還有eg4的reduced clasue可以叫做分詞構句嗎?或有其他
→ maximus1523:term?