I'm glad to know you. - I am glad to know you.
I'm glad to know you.
I am glad to know you.
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.
... But, how do they not know it? ...
... grandchildren do not know how to read cursive writing ...