I want to know who is coming with us. - I want to know who's coming with us.
I want to know who is coming with us.
I want to know who's coming with us.
That is what I want to know. - That's what I want to know.
That is what I want to know.
That's what I want to know.
... But, how do they not know it? ...
... grandchildren do not know how to read cursive writing ...