I have a pen.He has a pen.变否定句和一般疑问句 并作肯定和否定回答

原句 ：I have a pen。否定句 ：I do not have a pen 。一般疑问句 ：Do you have a pen 肯定回答 ：yes ,I do 。否定回答 ：No ,I do not 。原句 ：He has a pen 。否定句 ：He does not have a pen 。一般疑问句 ：Does he have a pen 肯定回答 ：Yes ,he does 。否定回答 ：No ,he does not 。