非谓语动词 作定语 完成时非谓语动词作定语,但用完成时,i found a issue having existed for a long time.

问题描述:

非谓语动词 作定语 完成时
非谓语动词作定语,但用完成时,
i found a issue having existed for a long time.

没问题的,句子转换下就是I found an issue which had existed for a long time.这样能通的话,原句就没问题

可以,此句就等于
I found a issue which has existed for a long time.
且用法更高级。

可以的,不过我建议你换个句式
I found an issue that has existed for a long time