Corbett was finishing his ablutions when he heard a knock at the door.
I heard a knock at the door.
He tried to knock at the door.
Shut up, or I’ll knock you out.
I heard someone knock on the door.
knock, and it will be opened to you.
There was a knock at the front door.
There is a knock at the door.
Find someone who knows how to knit.
Please knock on the door before you enter.
Don’t knock something until you’ve tried it.
A girl opened the door in answer to my knock.
Don’t knock so loud, it drives my parents crazy.
You are always to knock before entering my room.
There came a loud knock on the on the front door.
You are always to knock before you come into my room.
You’ll have to knock because our doorbell doesn’t work.
The plant supervisor said to his crew, Let’s knock off for lunch.
I’ll kill you! knock your block off and grind you underfoot! You shithead! Die!
My children love to erect towers out of blocks and then knock them over.