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_英语解答

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.

人气：214 ℃　时间：2020-04-09 05:02:46

解答

A
一般现在时否定句的结构是
主语＋don't或doesn't＋行为动词原形＋其它
而have只有作助动词表示完成形式实才可以用haven't