There wasn't any car in foront of the house just now
Was there any car in foront of the house just now
Yes,there was.
No,there wasn't.they player football in the playground?否定；一般疑问肯定否定你这个句子病句，你再检查一下是played最后是句号They didn't play football in the playground. Did they play football in the playground? Yes, they did.No, they didn't.