1. If you are not using it yet.
  2. If you haven't used it yet.

I heard the first one in a video and I feel the expression is odd to me. I would say the second one instead. So, is the first one grammatically correct? If it is, dose it mean the same thing as the latter?

1 Answer 1


Yes, both are grammatically correct. (2) suggests that 'it' is something you use for short periods of time, like a toothbrush. (1) could refer to something that will be in continuous use, like a heater that you will switch on when the weather gets colder.

  • So, is (1) commonly used in everyday communication or used rarely?
    – preachers
    Oct 13, 2020 at 14:57
  • Yes, both are quite common; which one you choose depends on the kind of 'use' you are referring to, as I explained. Oct 13, 2020 at 15:02
  • Does the present continuous tense used in (1) emphasize the process of (not) using it?
    – preachers
    Oct 13, 2020 at 16:52
  • It assumes that the person addressed will soon start, or may have already started, to use the item continuously or frequently. Oct 14, 2020 at 7:56

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