造一句以There is 开头的句子,并把它改成一般疑问句,做肯定否定回答,再改成否定句.

Question

造一句以There is 开头的句子,并把它改成一般疑问句,做肯定否定回答,再改成否定句.

Answer 1

造句：There is a book on the desk.
一般：Is there a book on the desk?
肯定/否定：Yes,there is./No,there isn't.
否定句：There isn't a book on the desk.