Well? Her tone did not change. 
The tone of her voice remained the same.
Her tone of voice fluctuated rapidly during the talk.
a young boy went swimming with his three friends
A woman is outside.
According to research sterilization through radiation at lower doses does not harm nutrition.
The woman is young
Even though Garm said nothing could melt the sky, he knew that he could.
Vrenna told the man he would be spared if he ran.