visit过去完成时是什么

过去完成时是had visited，例如：

1、My conception of a garden was based on gardens I had visited in England.我对花园的概念是基于我在英格兰观赏过的花园。

2、Kerry had visited her friend and had spent the whole time criticizing her choice of boyfriends， the way she was living， the way she related to her mother， and various other things she felt she needed to choose.克里拜访了她的朋友，花了一整天的时间批评自己对男朋友的选择，自己的生活方式，与母亲的关系，以及自己的各种选择。