介詞短語的構(gòu)成：
1、介詞+名詞：
Unfortunately,there wasn't enough demand for our product.
不幸的是，我們的產(chǎn)品市場需求不大。
2、介詞+代詞：
He always carried the photo with him．
他總是隨身帶著那張相片。
3、介詞+動名詞：
He entered the room without taking off his shoes．
他沒有脫掉鞋就進了房間。
4、介詞+數(shù)詞：
She is a mother of two.
她是一位有兩個兒子的母親。
5、介詞 + 形容詞或副詞：
I heard someone calling me from below.
我聽見有人在下面叫我。
6、介詞+另一個介詞+名詞：
We never play bridge until after dinner.
我們只在晚飯后打橋牌。
7、介詞+名詞性從句：
The exercise are well done expect that some words are misspelled.
除了有些拼寫錯誤之外，這些練習(xí)做得不錯。
The car stopped only a few inches from where I stood.
汽車在離我站的地方僅幾英寸處停下來了。
8、介詞+復(fù)合結(jié)構(gòu)：
I had no objection to Jenny marrying him.
我不反對詹妮和他結(jié)婚。
9、介詞+動詞不定式：
I had no alternative but to walk out.
我別無他法只好走出去。