He didn't go to the party because ...
he was too busy
She doesn't want to eat because ...
She's not hungry
I don't want dessert because...
I am full
She can't stay in the party because...
It's too late
She didn't want to get up at 5am because...
It was too early
They don't want to go running because...
they are too tired
I didn't go bikeridding because...
I was too busy
He doesn't want more soup because...
he was full
