to find out

to find out (to discover)

Eg 1:

A: How did you feel when you found out that you had won the lottery?

B: Oh, I couldn’t believe it at first. It was like a dream come true!

Eg 2:

A: When my dad found out that I had taken his car yesterday without asking him, he was really mad.

B: How did he find out?

A: My little sister told him.

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Can you make a sentence using to find out?