- I would love to if I can
- I would love to if I could
Which one is right?
- I would love to if I can
- I would love to if I could
Which one is right?
I would love to if I could has CAN in the past tense but with present reference as a counterfactual:
SHE: Hey, Marco, we're going to the Thai place for lunch, you wanna come with?
YOU: I'd love to if I could, but I'm waiting for a call.
I would love to if I can has CAN in the present tense but with future reference as a contingent possibility:
SHE: Hey, Marco, we're going to Spiro's after work, you wanna come with?
YOU: I'd love to if I can, but right now I don't know how late I'm gonna hafta work.
I would love to if I could
indicates a possibility in case another possibility occurs. This should be the better choice. The context as used in a full sentence may be helpful.
I would love to if I can
indicates a possibility in case some ability exists.
Can indicates ability while could indicates possibility.
So you can say
I would love to if I could find a babysitter for the kids.
But if you say
I would love to if I can get an A on the test.
technically might be OK, but it sounds strange.