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This is what I would say:

I'd prefer that she be there tomorrow.



I'd love it if she would be there tomorrow.



I'd hate it if she was going to be there.

I'd prefer she be there tomorrow. Borderline usable.

I'd prefer she were.. Borderline usable.

You will very rarely hear the two forms above.
_________

I'd prefer she'd been No.
I'd love she be there tomorrow. No.

I'd love she were... No.

I'd love she'd been No.

THANKS

By the way,is it acceptable to use "I'd [love / hate / prefer] it if she were there before smth happened" ?

MrWonderfulBy the way,is it acceptable to use "I'd [love / hate / prefer] it if she were there before smth happened" ?

No. You've gone back to a point that's even earlier in time so you need this:

I would've [loved / hated / preferred] it if she had been there before (that happened).

CJ

got it! it refers to conditional sentence as far as I understand

MrWonderfulconditional sentence

Exactly.

I would ... if she were ... ("Second Conditional") Present Point of View

I would have ... if she had been ... ("Third Conditional") Past Point of View

CJ