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Bolivia flagPabloCG
What are the differences?... Hi again. Perhaps another unusual question... about 'Knock'. I've heard on these ways. I can't notice the difference. Knock the door Knock at the door (Can I only say: Knock at door?) Knock on the (or my) door Thank you.

Answers · 2

1
Knock the door= you hit the door Knock at the door is ok Example Please knock at the door (Can I only say: Knock at door? NO! It need the article 'the') Knock on my door= you are inviting someone to knock on your door before they come inside.
1
Say "knock on" usually, although one might say "there's a knock at the door". If you say "knock the door", it's a little non-sensical. It could mean you were criticizing the door.

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