Have you got a big sister? What's it like having a big sister? Is it fun? Do you argue?
Are you the big sister? What's it like being the big sister? Maybe you're the big brother? What's it like?
Are you in the middle in your family? Are you sometimes called "the ham in the sandwich"? Are there two or three of you in the middle? Is it difficult to have brothers and sisters older than you and younger than you?
Maybe you have no brothers or sisters -- sometimes that can be lonely and sometimes it suits you fine.
When their owl mother comes back she
SWOOPED
and it was
SOFT and SILENT
Why did I pick these words all beginning with S? How do they help the story?
It can be fun using workds tht begin with the same letter. Why don't you try it?
What about words starting with B or M or L?
You could make up your own tongue twisters ... Do you know the one for S that begins "she sells seashells on the sea shore"?