普通介词： at, by, for, in, over, to
合成介词： onto, into, within, without
分词介词： concerning, considering, including.
The moon was low in the sky.(地点介词)
It’s a long time since breakfast.(时间介词)
You cann’t get into the place without a pass.(方式介词)
Everybody here has the influenza including myself.(分词介词)
A man stepped out from behind the wall.
I won’t go home until after the exam.
He has known her since before the war.
如：in case of(万一，以防), according to（根据，按照）, because of, by means of（通过，借助）, in spite of（尽管，虽然）, instead of（替代，而是）, on behalf of（为了，代表）, with reference to（参考，参照）.
Thoughts are expressed by means of words.
In spite of his efforts, he failed.
I keep an umbrella here in case of rain.
But things do not go according to plan.
Because of this we decided to leave early.
Teachers live by selling knowledge.
Older parents often spend more time with their children.
Newman notes that Russia had a similar population density at the time.
Armed with a torch.
In spite of his repeated cries, no one heard him.
A day may begin well enough, but suddenly everythin seems to get out of control.
In response to renewed pleadings, Bruce stopped.
In the possession of…被谁持有
In great need. 大量需要。
Hi is running with Tom against the wind along the path.
Early in the morning, we started off for the mountain village.