Learn what "i shouldn't have done that" means, when people say it, and how to use it naturally in English.

It means I regret my action and admit it was wrong.
From The Perfect Husband, Episode 26
Someone regrets an action and admits they should not have done it.
Use this to admit a mistake and show regret. It is common and natural in apologies and personal conversations.
Scenes unlock real expressions as you watch
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