问题补充：
Put these things in the car（改否定句）
答案：
Don put these things in the car
======以下答案可供参考======
供参考答案1:
Don put these things in the car.
供参考答案2:
Don put these things in the car
祈使句 的否定形式在句首加Don .
供参考答案3:
Don put these things in the car.
供参考答案4:
Doesn put these things in the car
