介词短语的构成
介词短语的构成：介词+名词、介词+代词、介词+动名词、介词+数词、介词 + 形容词或副词、介词+另一个介词+名词、介词+名词性从句、介词+复合结构、介词+动词不定式
1、介词+名词：
Unfortunately,there wasn't enough demand for our product.
不幸的是，我们的产品市场需求不大。
2、介词+代词：
He always carried the photo with him．
他总是随身带着那张相片。
3、介词+动名词：
He entered the room without taking off his shoes．
他没有脱掉鞋就进了房间。
4、介词+数词：
She is a mother of two.
她是一位有两个儿子的母亲。
5、介词 + 形容词或副词：
I heard someone calling me from below.
我听见有人在下面叫我。
6、介词+另一个介词+名词：
We never play bridge until after dinner.
我们只在晚饭后打桥牌。
7、介词+名词性从句：
The exercise are well done expect that some words are misspelled.
除了有些拼写错误之外，这些练习做得不错。
The car stopped only a few inches from where I stood.
汽车在离我站的地方仅几英寸处停下来了。
8、介词+复合结构：
I had no objection to Jenny marrying him.
我不反对詹妮和他结婚。
9、介词+动词不定式：
I had no alternative but to walk out.
我别无他法只好走出去。
