[Grammar] If clause containing Present perfect vs one containing Present Simple.

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saloom2

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Hello everyone,


I want to know the difference between these sentences. For me, there isn't any, but actually the first containing Present Perfect emphasises finished action.In my opinion, both mean I will swim when I finish, don't they?


If I have finished my HW by 7 AM, I will go swimming with you.
If I finish my HW by 7 Oclock, I will go swimming with you.
 

bhaisahab

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Hello everyone,


I want to know the difference between these sentences. For me, there isn't any, but actually the first containing Present Perfect emphasises finished action.In my opinion, both mean I will swim when I finish, don't they?


If I have finished my HW by 7 AM, I will go swimming with you.
If I finish my HW by 7 Oclock, I will go swimming with you.

There is no difference in meaning.
 

Rover_KE

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They mean the same. You can use either.
 
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