Necesito 10 oraciones con "not sure "en ingles?

Im not sure you are correct

Im not sure that is the answer

She is not sure that that is her coat

He is not sure he wants to come

We are not sure we want you there

They are not sure if they will come

Paty is not sure she has permission

Bob is not sure he likes his work

George told me he is not sure about staying home

He is not sure his sister will be home.