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Yzh1978 Posted 12 years ago
Grammar

As ,when , while

I am singing as i am walking.(1)
I am singing while I am walking.(2)
I am singing when I am walking.(3)
What's the differences among these sentences?
Does " as" indicate the two actions endure the same length of time;"while" indicate the "walking time "is longer than the "singing time"; "when" indicate " singing' just happen at a time point duiring the "walking time"?
And can the above three sentences be converted into following three ones respectively without any meaning loss?
I am singing as i walks
I am singing while i walks.
I am singing when I walks.
Thank a lot!
  

Top answer

(3) I find it hard to identify any clear difference in meaning between (1) and (2). (3) does not feel right. You can say "I sing when I am walking / when I walk".

  • (3) I find it hard to identify any clear difference in meaning between (1) and (2).
  • (3) does not feel right.
  • You can say "I sing when I am walking / when I walk".
  • This is talking about a general habit rather than a specific situation.
  • I am singing when I walks.
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3 Answers
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yzh1978I am singing as i am walking.(1)I am singing while I am walking.(2)I am singing when I am walking.(3)
I find it hard to identify any clear difference in meaning between (1) and (2).

(3) does not feel right. You can say "I sing when I am walking / when I walk". This is talking about a general habit rather than a specific situation.
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Thank you , but I found in yahoo answer another explaination ,could you explain it clearer?
As part of time expression, as, when, and while have very distinct differences, not subtle. "As" implies a duration of time and gradual change in one direction in the accompanying clause, such as discovery or a significant change. "When"implies a point in time, with a single event in the accompanying cl
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The differences that you describe between A1 and A3 are not applicable to your original sentence because "I am singing" is not an instantanous event, and neither is something that can develop gradually. The case A2 is hard to apply to your original sentence because "when" does not fit well in that sentence.

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