把The pen is on the book变成同义句

There is a pen on the book?把on the book 划横线,变换句型. There is a pen on the desk 同义句转换 The pen on the dresser is his pen.(改为同义句) my mother‘s ring is on the book 同义句 on the chair is an english book改为同义句、?、、 .How much is the pen 同义句 ---- ------- ------ -----the pen The pen is black 改为同义句 There is a book and a pen on the desk.(变为否定句) There is a book and a pen on the table改为复数句 how much is the yellow pen同义句 ()()()()yellow pen(). whose book is that on the desk同义句 ________ ________the book 改为同义句：A history book is on the desk.=_____ ______ a book ___