题目内容：

There was a car in front of the house just now改成否定句,一般疑问句

优质解答

There was not a car in front of the house just now
改成疑问句只需要在be后面加上not就好了
记着这个
Was there a car in front of the house just now?
改成一般疑问句把be提到主语前面