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'since when' in a sentence

Learn how to use 'since when' with 8 example sentences.


  • Since when do you learn Japanese?
  • "I have a boyfriend." "Since when?"
  • Since when have you been learning Latin?
  • Since when you have been here?
  • Since when do you care about politics?
  • Since when do you care about flowers?
  • Since when do you care about your appearance?
  • Since when is Richard married?
  • Words near 'since when' in the dictionary