1. After I had had a bath, I went to bed.
(After + past perfect, simple past: hành động xảy ra sau một hành động trong quá khứ)
2. When I had read the letter I threw it away.
(When + simple past, past perfect:Hành động xảy ra trước một hành động trong quá khứ ( hành động ở mệnh đề when).)
3. He bought a car as soon as he had passed his driving test.
4.I took the book back to the library when I had finished reading it.
5.I didn’t go to bed until I had done my homework.
6.When I had spent all my money, I went home.
7.I had read the book before I saw the film.
(Before +simple past, past perfect:hành động xảy ra trước một hành động trong quá khứ)
8.She started writing after her children had left home.
(After + past perfect, simple past:hành động xảy ra sau một hành động trong quá khứ)