having given是什么时态

　　The United States was criticized for not having given a lead.

　　美国由于没有起模范带头作用而受到指责。

　　Some people, having given so much to you, remain a part of who you are forever.

　　一些人，在赋予你如此多之后，已经永久变为你的一部分。

　　He was grateful to her for having given him some idea what to expect.

　　他感谢她事先使他有了思想准备。

　　She remembered having given the book to ham.

　　她记得把书给了汉姆。

　　Coleen's figure showed no sign of having given birth just three monthsago.

　　看科琳的身材，一点儿也没有刚刚产后三个月的迹象吧。