I have a pen 变否定句

I have a pen 变否定句 I have a pen pal in China变否定句 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 I have a pen 变否定句和一般疑问句并做回答 I have a pen pal变为否定句 I have a pen变同义句：I __ __a pen 请问I have a pen.的否定句是什么?A.I don't have a pen.B.I haven't a pen.请说明理由. I have a book 怎么变疑问句和否定句 I have a book 怎么变否定句 I have a soccer ball .变否定句 The ruler is in the pencli case 变否定句 I take the pen to the room 变否定句I am a boy 变一般疑问句作否定回答He can play basketball 变一般疑问句作否定回答Bob and Mary have a tennis racket 变一般疑问句作肯定回 I have an idea 变否定句 把I have got a pen pal转换成疑问句和否定句. I have a pencil sharpener 怎样变否定句为什么这样变详细说明 否定句的一般疑问句怎么变 I don't like dolls.It is not a pen. 如何变否定句 例如:John has a pen pal.My pen pal lives in shanghai. I have a math book. 变否定句 I-------- ----------- a math book.快 肯定句变否定句1.I like apples2.I buy a pen.3.I am a student.4.you are my friend.5.He is my brother.