一般疑问句:Is there a car in front of the house?
肯定回答:Yes,there is.
否定回答:No,there isn't.
否定句:There isn't a car in front of the house.
一般疑问句:Is there a car in front of the house?
肯定回答:Yes,there is.
否定回答:No,there isn't.
否定句:There isn't a car in front of the house.