Is there any difference between could get and could've gotten?
Obviously, "could get" can be used for future, hypothetical situations, but I can't see what the difference is, if any, between the two when used in the past, particularly in the negative.
Do they carry distinct nuances or implications?
Examples: "I don't understand how you could miss/could've missed that /// how it could get past you/ could have gotten past you. "
Best Answer
The "could get" form implies a current or even any time situation.
Using your example, "I don't see how it could get past you" implies that you don't see that capability for the time and situation being discussed, but also now.
The "could have gotten" form is more limited in its scope.