现在进行时中不是不可以加短暂性动词吗?这个句子对不对 I have bought the car.再举些短暂性动词例子

谁说现在完成时中不可以加短暂性动词,只是肯定形式不可以和一段时间连用.
I have finished my homework.
The film has begun.
The train has left.
The TV has been turned on.
They have closed the door.