(1)简单介词,如at, in off, on, by, to, with等。
(2)合成介词,如into, inside, within, throughout等。
(3)短语介词,如according to, because of, in addition to, in front of, in spite of等。
(4)二重介词,如from behind, from among, until after, at about等。
介词的宾语
(1)名词:Let's go for a walk along the river. 咱们到江边散散步。
(2)代词:He's standing in front of me. 我站在我前面。
(3)形容词:Her pronunciation is far from perfect. 她的语音远不是完美的。
(4)动名词:He's good at drawing.他善长绘画。
(5)过去分词:I took it for granted that she was for England.我还以为她是英国的。
(6)不定式:I had no choice but to lie down. 除了躺下外我别无选择。
(7)疑问词+不定式:I don't know how to improve my English.我不知道如何提高我的英语水平。
(8)副词:I didn't know it until recently. 直到最近我才知道此事。
(9)数词:He was among the first to arrive. 他是第一批到的。
(10)介词短语:She won't go home until after the exam. 她要考完试之后再回家。
(11)从句:I'm worried about where he is. 我担心他上哪儿去了。
介词短语的作用
介词和它的宾语构成介词词组,其用法如下:
(1)作定语:The girl in red is my sister. 穿红衣的那个女孩是我妹妹。
(2)作状语:Can you say it in English? 这个你会用英语说吗?
(3)作表语:He's in the office. 他在办公室。
(4)作补语:I always find her at her studies. 我经常发现她在学习。
(5)作介词宾语:I saw her from across the street. 我从街对面望见了她。