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Anonymous Posted 16 years ago
Grammar

How would I know

Why do we say "How would I know" or "I wouldn't know" when we should use "should" instead of "would" in the above sentences as in "How should I know" or "I shouldn't know".

"Would" is only used as the past form of "will" in reported speech and in conditional sentences.
  

Top answer

" in this case means "There is no possible way for me to know the answer to your question". " are used interchangeably. Both mean "I don't know" but they are used to show annoyance in response to a question.

  • " in this case means "There is no possible way for me to know the answer to your question".
  • " are used interchangeably.
  • Both mean "I don't know" but they are used to show annoyance in response to a question.
  • " "I wouldn't know" is similar to "I don't know" except it is often used to let the questioner know they have asked an inappropriate, sensitive or embarrassing question.
  • "I shouldn't know" is never used.
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1 Answers
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The "would" in this case is not the past form of "will." "How would I know?" in this case means "There is no possible way for me to know the answer to your question".

In the US "How would I know?" and "How should I know?" are used interchangeably. Both mean "I don't know" but they are used to show annoyance in response to a question. The meaning is "I don't know, and why are you even as

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