From his tone, she knew what he must say next.

From his tone of voice, he had been no such thing.

She could tell as much from his tone of voice.

He could tell from her tone of voice she didn't want to talk about growing up.

From the tone in her voice, she did not have good news.

From the tone of his voice, she could tell something was wrong.

I'd have been able to tell from the tone of her voice.

From the tone of her voice they might have seen each other only the day before.

From his tone, she knew not to ask directly what the question or the answer might have been.

From his light tone, she could tell that he was happy.