He never goes out after dark.
I was about to leave when you telephoned.
No sooner had I gone out than it began to rain.
I was about to go out when the phone rang.
- 当雨开始下得很大的时候， 我几乎不能出门了。
I had hardly left home when it began to rain heavily.
On a rainy morning he left his house early so as to be in time for school.