How to use "buying" in a sentence

He remembers buying her a drink and then another and another

If he hadn't been so generous, buying her that pod experience, none of this would have happened.

Mr de Winter was always buying clothes for her, beautiful clothes.'

"We're buying it from him," Tina said.

"We were swindled?" Tina asked, feigning shock, buying time.

So, this man must like his pipe very much if he prefers to mend it instead of buying a new one with the same money.'