He couldn't imagine living without being able to hear her laugh.
It was the first time I had ever heard her laugh.
It had been a long time since he'd heard her laugh.
I got to the last few steps and could hear his laugh already.
It was good to hear her laugh, even if only a little.
It's the first time I've heard her laugh like that.
He hadn't heard her laugh like that for too long.
He hadn't heard her laugh like that for a while.
It was the first time he had heard her laugh.
She heard his little laugh and turned her head to look at him.