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Hans51 Posted 12 years ago
Grammar

Usage of 'since when'

1) Since when did you listen to me?
2) Since when have you listened to me?

I am learning new things about English every dayEmotion: surprise

I have learned since when is a fixed phrase and then I was wondering if there is a meaning difference and usage difference between them? I think that both are related to the present or what do you think?

Thank you so much in advance.
  

Top answer

Hi, When we are talking about a situation that started in the past and still continuing, we use present perfect with the phrase 'since when' in interrogative sentences. And if the situation is in the past and we want to say since when it had continued up to (or probably after as well) another point in the past, we use 'past perfect' with the phrase 'since when' in questions. Examples are: - Since when have you worked in this company?

  • Hi, When we are talking about a situation that started in the past and still continuing, we use present perfect with the phrase 'since when' in interrogative sentences.
  • And if the situation is in the past and we want to say since when it had continued up to (or probably after as well) another point in the past, we use 'past perfect' with the phrase 'since when' in questions.
  • Examples are: - Since when have you worked in this company?
  • (you still work in the company .
  • The questioner is asking about 1) when did you join the company?
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1 Answers
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Hi,

When we are talking about a situation that started in the past and still continuing, we use present perfect with the phrase 'since when' in interrogative sentences. And if the situation is in the past and we want to say since when it had continued up to (or probably after as well) another point in the past, we use 'past perfect' with the phrase 'since when' in questions.

Exa

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