[Grammar] but for, if it weren't/ hadn't been for

[BDX777]

If it were not for rain, swimming pool would be open.
If it had not been for rain, swimming pool would have been open.
But for rain, swimming pool would have been open.
I just want to know, if these sentences are corret.
Do "if it were'n for/hadn't been for" and "bur for" must be followed by a noun form?

 

[jutfrank]

I assume you mean:

If it wasn't raining, the swimming pool would be open.
If it hadn't been raining, the swimming pool would've been open.

Yes, they must be followed by a noun phrase (which may be an -ing form).

 

[Rover_KE]

If it were not for the rain, the swimming pool would be open.

If it had not been for the rain, the swimming pool would have been open.

But for the rain, the swimming pool would have been open.

I just want to know [no comma here] if these sentences are correct.

Do "if it weren't for/hadn't been for" and "but for" [STRIKE]must[/STRIKE] have to be followed by a noun form?

Please study my corrections to your post.

 

[GoesStation]

… if it weren't for ….

 

[BDX777]

Thank you very much guys!
Last question, does "if it were not for" is more common in everyday speech than "if it was not for"?

 

[jutfrank]

Thank you very much guys!
Last question, does "if it were not for" is more common in everyday speech than "if it was not for"?

That's a question that an ngram of international everyday spoken English could quite nicely address.