Here's an example:
"Knock knock!
Who's there?
Paige!
Paige who?
Paige of really funny Knock Knock jokes!"
The jokes:
1.Knock Knock...
Who's there?
Ice cream.
Ice cream who?
Ice cream if you don't let me in!
2.Knock Knock...
Who's there?
Repeat.
Repeat who?
Who Who Who Who Who Who...
3.Knock Knock...
Who's there?
Tank.
Tank who?
You're welcome.
4.Knock Knock...
Who's there?
Hawaii.
Hawaii who?
I'm fine. Hawaii you?
CREDIT
I want to give credit to the knok knok jokes page from "mabuhaynet.com". Thanks for reading. :3