I have a bear (改为否定句）

I have a bear (改为否定句） I have a bear的否定句、一般疑问句、肯定句、对a bear提问 I have a basball.改为否定句 I have a bike.(改为否定句) I have a good idea .(改为否定句） I have a new book.（改为否定句） I have a bat.（改为否定句） I have a coat.（改为否定句） 1.I have a volleyball.(改为否定句） 2.My cousin has a computer.（改为 I have a big head.[改为否定句] I have a car改为一般疑问句,否定句 I want to have a picnic tomorrow.(改为否定句)