as a matter of fact
fixed phrase.you use this to add more information or to correct what someone else just said.
fixed phrase.a discourse marker used to introduce a statement that provides more detail or corrects a previous assertion. It functions as an adverbial phrase to emphasize the truth of the following statement.
“As a matter of fact, I have met him before.”
“I thought the shop was closed, but as a matter of fact, they stay open until midnight.”
“The witness claimed to be elsewhere; as a matter of fact, several security cameras captured his presence at the scene of the crime.”
usually placed at the beginning of a sentence or clause to signal a correction or clarification.
teach this alongside 'actually' and 'in fact' as they are often interchangeable in conversational English to signal a shift in information.
the phrase is fixed with the indefinite article 'a'; using 'the' is a common learner error.