I have a leather pencil case同义句（）pencil case（）（）（）（）

判断：I have a pen.____ I have pen.____ I have a good pen. 怎样强调a good pen? I have a pen ,haven't I 还是I have a pen ,don't I I have a pen 变否定句 I have a new pen friend i ( )have a pen friend in england. I have a pen. 改成疑问：Do you have a pen?和Have you a pen?哪句对? I have a good pen.对 good 提问.I have a good pen.对 good 提问. I have a pen as she ///I have a pen like hers. I have a leather pencil case同义句（）pencil case（）（）（）（） i have got a pen中的have是不是助动词 I have a pen.You have a pen.She (He) has a pen.这些句子属于完成时吗? I heven't a pen and I don't have a pen 的区别?没事好玩 Can I have a look at your pen?同义句Can I _____ _____ your pen? I have a pen变同义句：I __ __a pen 改句子 i have aunt in canada.this purse is made of a leather.i need some informations. 改句子 i have aunt in canada.this purse is made of a leather.i need some informations. 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.