1.介词+名词/代词
Let’s go for a walk along the river.咱们到江边散散步。
Britain was allied with the United States many times in history.历史上英国曾与美国多次结盟。
He’s standing in front of me.他站在我前面。
2.介词+动名词
In crossing the street he was run over.他在穿马路时被汽车撞倒。
She had no objection to Mary’s marrying him.她不反对玛丽与他结婚。（动名词复合结构）
They entered the room without being permitted.未经许可他们就进来了。（动名词被动形式）
【提示】
（1）介词后不能直接跟过去分词作宾语，通常用“being+过去分词”。
He went out without being seen by the others.他出去了，没有被其他人看见。
（2）过去分词用作介词宾语通常只见于某些固定结构中：
regard ...as 认为……是
take sth.for granted 认为某事理所当然
We can’t regard the matter as settled.我们不能认为这事已经解决。
I take it for granted you have read the book.我以为你读过这本书。
3.介词+不定式
（1）介词+带to不定式
I had no choice but to wait.除了等，我没有别的选择。
He wanted nothing but to stay there.他只想留在那儿。
（2）介词+不带to不定式：
They did nothing but complain.他们老是一个劲地抱怨。
There is nothing to do but face the feelings of doubt.除了面对疑虑，我们别无选择。
（3）介词+“连接代词/副词+不定式”
He gave me some advice on how to do it.对于如何做这事他给我提了些建议。
She is thinking of what to do next.她正在考虑下一步干什么。
I have no idea of how to improve my English.我不知道如何提高英语水平。
4.介词+数词
He was among the first to arrive.他是第一批到的。
5.介词+从句
（1）that从句主要用于except that，in that 句式中。
He has no special fault except that he smokes too much.
他除了抽烟太多之外，没有什么特别的毛病。
I’m at a loss in that he’s not arriving.我有点困惑不解，因为他不来了。
（2）介词只接连接代词、连接副词及whether引导的从句。
He was not satisfied with what she said.他对她说的不满意。
I’m worried about where he is.我担心他上哪儿去了。
I have doubts about whether he is the best man for the job.
我怀疑他是否是做这项工作的最佳人选。