“Having read the novel last year on holiday,i was looking forward to seeing the film"表示啥?

问题描述:

“Having read the novel last year on holiday,i was looking forward to seeing the film"表示啥?
什么时态?表示什么?……

在去年假期看了这部小说后,我一直盼望着能看到同名的电影.
read 的分词形式,充当时间状语,相当于一个时状从.