What does it mean the WOULD here? I'm not sure how exactly it is functioning here

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Ex: They came to the teacher and complained that william would not walk,or run,or play at any game.
He would always bring him a box of cigars and in it he'd put a couple of hundred dollar bills.
I was soon hooked on the Israeli funk group Hadag Nachash, and would listen to the same album every single morning.
My wife always said she hoped our children would be normal and not geniuses.
And he would eat anything put before him no matter how frequently it was repeated.
He would get up occasionally and go over to the bookcase and take a book out, and ask me about it. Then he would take out another.
He'd take a book like that, and he'd know where to turn to. He'd turn some pages and say, 'Did you ever hear of this phenomena?'
And for the moment he'd be the pedant. Then he'd relapse into his modesty again.
I was soon hooked on the Israeli funk group Hadagh Nahash and I would listen to the album every single morning.