have you happen to received it? vs have you happen to receive it?

Some examples from the web:

• Do you happen to remember who bought it?
• Did you happen to see Where she found it?
• Do you happen to know the rest of it?
• Do you happen to rember how I did it?
• Unless you happen to know a friendly doctor.
• Did you happen to notice if Cruz's bunker gear had a cape sewn into it?
• But he opened my box, did you happen to see what he took out of it?
• Did you happen to notice if Cruz's bunker gear had a cape sewn into it?
• How did you happen to get hold of it?
• I know that interruption is a standard trope of today's modern discourse, but do you happen to remember what I said about it?
• Did you happen to get her shoe size while you were at it?
• Did you happen to see it?
• How did you happen to hear about it?
• How did you happen to get hold of it?
• Think of it as you happen to be moving the pizza six inches this way, and he happens to be biting it.
• Anything that happens to you happens to all of Shakespeare's characters.
• You happen to be in the presence of a licensed Internet detective.
• If you happen to find that story...
• But you happen to be in the presence of a distinguished alumna of the clinical program.
• Because you happen to be interrupting my lunchtime sanctuary.

Some examples from the web:

• Detective, if you happen to receive a report of a homicide tonight at my address, do me a favor.
• But even if some passerby did happen to receive, all it would do is muck up their navigation.
• If not, when does the Council expect to receive it?
• Do you happen to remember who bought it?
• Did you happen to see Where she found it?
• Do you happen to know the rest of it?
• Do you happen to rember how I did it?
• Do you want to receive it or let the pasha receive it?
• Place was scheduled to receive it two days ago.
• And I was surprised to receive it.
• Mitch Lange was due to receive it this afternoon.
• It sure meant a lot to receive it.
• I was most grateful to receive it.
• You must give the truth... if you wish to receive it.
• I've lost any right to receive it.
• We are proud to receive it today.
• Unless you happen to know a friendly doctor.
• Did you happen to notice if Cruz's bunker gear had a cape sewn into it?
• But he opened my box, did you happen to see what he took out of it?
• Did you happen to notice if Cruz's bunker gear had a cape sewn into it?