How can I say "When you finish something, please let me know"?
Let me know when you finish doing your work.
Is it grammatically correct?
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Sign up to join this communityHow can I say "When you finish something, please let me know"?
Let me know when you finish doing your work.
Is it grammatically correct?
Yes , you are correct there. It can also be written as:
Let me know when your task is completed
OR
Inform me when you accomplish your work/task.
There's a simple rule of thumb:
You use simple present to express future time after the conjunctions when, after, before, as soon as and until.
So, your sentence is grammatical.
If your uncertainty is about to finish + gerund Longman DCE has registered this construction, whereas in dictionary.com it is not mentioned.
http://www.ldoceonline.com/dictionary/finish_1
http://dictionary.reference.com/browse/finish?s=ts
By the way, ... when you finish your work is shorter and simpler.
Yes, it is correct.
You can say it as:
Let me know when you finish doing your work.
Or:
When you finish doing your work, let me know.
Invoker:
Let me know when your task is completed.
Bob The Zealot:
When your task is completed, let me know.
Invoker:
Inform me when you accomplish your work/task.
Bob The Zealot:
When you accomplish your work/task, inform me.
It can go both ways, and it still mean the same thing.