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Anonymous Posted 12 years ago
Grammar

since when did you

Is this correct way of asking;

Since when did you start wearing cologne to work?

Thank you so much
  

Top answer

Yes.

  • Yes.
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8 Answers
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a lot of people say this is wrong

People say you should say either : Since when do you do that? or Since when have you done that but not Since when did you do that.
What do you say to that?
Thanks
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AnonymousWhat do you say to that?
A lot of people are wrong. There is no problem with using any of those verb tenses.
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I don't really think it sounds very natural, but ok. A lot of native speakers have said so.

Since is used with present perfect.

I haven't done that since...
not I didn't do that since...
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AnonymousI haven't done that since...not I didn't do that since...
That is different from your original. 'Since when' is a fixed phrase when fronted on a question: it is an expression of displeasure or surprise.
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Why say since when did you you stop when you can say 'when did you stop smoking'?
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AnonymousWhy say since when did you you stop when you can say 'when did you stop smoking'?
I have just explained that in my previous post.
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1) Since when did he ever listen to me?
2) For those separated since the Korean War
= For those who were separated since...

As far as I know, since is used to mean "from a particular time or event in the past until the present, or in that period of time" like

We've been waiting here since two o'clock.
I haven

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