How to say in Czech: What did they do yesterday?

English
What did do yesterday?
Czech
Co dělali včera?
He knows what they did yesterday.
What did they do yesterday evening?
They did it yesterday.
What date was it yesterday?
What happened yesterday?
They weren’t born yesterday!
I want to apologize for my behaviour yesterday.
It happened the day before yesterday.
It was windy yesterday.
Why were you absent yesterday?

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