Is this your ball?否定回答怎么回答

Is this your ball?否定回答怎么回答 改为同义句 Is this your ball? is this your ball?(变复数） Is this your ball?同义句 Is this ball your?Yes,it's() this is sandy s ball改为疑问句和否定句 Is this your soccer ball改为同义句 Is this your brother?(做否定回答) .Is this girl your friend?(否定回答) Is this your friend?做否定回答 Is this your sister?否定回答RT is this your father?改为否定形式 Is this your teacher ?回答,否定句 Is this your suit 改否定句 Is this your ball,Nick?肯定回答是什么?Yes,it is.还是Yes,this is. Is this your ball? 同义句is this————?---- 为空格 Is this your ball 同义句Is this 《2个空》 This is a ball.（改为一般疑问句,并作否定回答）