"SOMEBODY HAS BEEN EATING MY PORRIDGE !" said Father Bear in a deep growly voice.
"Somebody has been eating my porridge" said Mother Bear in a middle sized voice. "Somebody has been eating my porridge" said Baby Bear in a tiny little voice. "And they've eaten it all up!"

"SOMEBODY HAS BEEN SITTING IN MY CHAIR!" said Father Bear in a deep growly voice.

"Somebody has been sitting in my chair" said Mother Bear in a middle sized voice.

"Somebody has been sitting in my chair " said Baby Bear in a tiny little voice. "And they've broken it !"