分词做状语时的否定形式及虚拟语气倒装时的否定形式
Having not been invited to the party,she was very upset.
Not having been invited to the party,she was very upset.哪一个是正确的,能给出具体的解释和例子吗>
If i had not listened to the speeches,i would not have realised that many of the things i do every day are bad for the environment.
这句话如去掉If ,要倒装,可是那个not到底怎么放才是对的呢?
1.Hadn't i listened to
2.Had i not listened to
3.Not have i listened to
哪个才是正确的,请给出确切说法及例子.