I'm not sure how to structure my sentence in a correct manner.

What I want to express is that I've started something, and will let someone know once it (has?) finish.

Here is an example:

I will be monitoring the progress and I will let you know once it is finished.

So I will be watching/monitoring the progress (I will have a look from time to time to see if its finished) and when I see/acknowledge the process is complete I will let you know.

  • 1
    Yes, that's fine - or when it is finished. Jan 21, 2021 at 9:16

1 Answer 1


That sounds natural. I think I would usually say monitoring progress without the the but I think that is just a matter of personal style and the is fine there too. As @KateBunting mentioned in a comment when it is finished is an equally correct alternative.

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