Sheis否定形式是什么

否定形式是she is not，例如：

1.She is not a domineering mother.她不是一个爱发号施令的母亲。

2.She is not my friend, just an acquaintance.她不是我的朋友，只是一个熟人。

3.She is not short of excuses when things go wrong.事情出了差错，她老有借口。

4.She is not afraid to laugh at herself.她不怕取笑自己。