用aftenoon和when和before和after和when a was和be和finally造句

I will meet Mr. Bennet in the afternoon.
When I saw him, I was deeply touched by him.
I came home before 6 o'clock.
After having supper, we enjoyed some music.
Finally he reached the goals.
It must be him.
when a was 是不是打错了啊?木有这个不合乎语法 when it was ……可以 when a was 从来没听过 我是英语专业研究生