"If the sentence that has “had had” had “had” it would be correct."这句话是什么意思啊?

问题描述:

"If the sentence that has “had had” had “had” it would be correct."这句话是什么意思啊?

在英文中 可以说 he had have it.
he have had done the work.
这一这样用.
意思是已经.