The policeman caught the thief.（改为一般疑问句,作否定回答）

The policeman caught the thief.（改为一般疑问句,作否定回答） The policeman saw a thief.（改为一般疑问句,并作否定回答） the policman caught yhr thief.（改为一般疑问句,作否定回答） The policeman caught the thief The policeman caught the thief.(改为现在进时 The boys are cleaning the classroom now.(改为一般疑问句并作否定回答） The students are cleaning the classrook(改为一般疑问句并作肯定和否定回答） The books are in the bag.(改为一般疑问句,幷作否定回答） The policeman stopped the thief at last 怎样改为一般疑问句 The policeman caught some ( ) last spring.(thief) Mike's baseball is under the bed.（改为一般疑问句,并作否定回答） Peter can play the drums. (改为一般疑问句并作否定回答）