把下面句子变为否定句
1.Park your bike in front of the classroom building.
___ ___ your bike in front of the classroom building.
2.Play basketball with your friends on the stree.
___ ___ basketball with your friends on the stree.
3.Be late for class.
___ ___late for class.
4.Let him drive fast.
___ ___ ___drive fast.