Can't, won't, shouldn't, wouldn't, mustn't
He did not go to school yesterday.
I do not work at this shop.
They are not studying now.
He has not done his homework.
They are not at home.
Can't, won't, shouldn't, wouldn't, mustn't
He did not go to school yesterday.
I do not work at this shop.
They are not studying now.
He has not done his homework.
They are not at home.