He was not happy
He wasn't happy
I will not sing
I won't sing
It is ten past ten
It's past ten
We did not win
We didn't win
Who has been there?
Who's been there?
He does not play
He doesn't play
She has not got a pet
She hasn't got a pet
It will rain
It'll rain
There is not a cinema
There isn't a cinema
Who is that man?
Who's that man?