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from when vs sisnce when

Both "from when" and "since when" are correct phrases, but they are used in different contexts. "From when" is used to ask about the starting point of a period of time, while "since when" is used to ask about the specific time when something started or began. They are not interchangeable and should be used based on the context of the question.

Last updated: March 28, 2024 • 650 views

from when

This phrase is correct and commonly used in English to ask about the starting point of a period of time.

Use "from when" when asking about the beginning or starting point of a period of time. For example, "From when did you start working here?"

Examples:

  • From when did you arrive?
  • From when does the sale start?
  • From when will the concert begin?
  • From when should I expect your call?
  • From when can I access the new feature?

Alternatives:

  • Since when
  • At what time
  • Starting from when
  • Beginning when
  • When did it start

sisnce when

This phrase is correct and commonly used in English to ask about the specific time when something started or began.

Use "since when" when asking about the specific time when an action or event started. For example, "Since when have you been studying English?"

Examples:

  • Since when have you been waiting?
  • Since when did you know about this?
  • Since when has she been working here?
  • Since when have you been feeling this way?
  • Since when did you start learning to play the guitar?

Alternatives:

  • From when
  • At what time
  • Starting from when
  • Beginning when
  • When did it start

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