介词不能在句中独立充当一个成分,而需和一个名词或与之相当的东西构成短语,在句中充当一个成分。 1。作状语Anna came out of the door。 There is an Italian restaurant behind the bank。
2。作定语Then a lady in black came forward。 3。作表语He was in his early twenties。 She is of middle height。 有时可用来构成复合宾语 We found the map out of date。
在很多情况下介词和形容词或过去分词构成习惯用语 be afraid of,be fond of,be interested in, be used to, be keen on, be prepared for,be pleased with 介词也可构成成语动词 dream of, long for,insist on ,persist in ,attend to, rely on,consist of,believe in,look forward to, look down upon。
所谓的prepositional phrase是一个以介词开始的phrase，再加上一个名词（以及修饰名词的形容词）。prepositional phrase在一句话里面可以有形容词或副词的作用。 The book on the book shelve in the den. The vegetables in the grocery bag. The women in a red dress. She is at home. We had some really spicy food at the Sichuan restaurant.
in respect of,in case of,with regard to...
介词是一种用来表示词与词, 词与句之间的关系的词。介词和其他代词或名词搭配形成介词短语。 下面地址有很多几乎所有的常用介词短语
答：词义的辨析一定要注意英文的解释和她在具体语境中的用法，而不是单纯的看意思的区分 persevere:(通常用作褒义)continue trying to do ...详情>>
