介词

Lose no time后接in doing sth.

表示"立即做某事"，其中介词in可以省略。

In general, marking and quoting function is the basic syntactic function of adposition.

现代汉语介词标引的最主要的语义角色是时空角色。

However,after a year or so in which they became more serious about their work,the Monkees started to play and sing their own songs like a real band.

然而，大约一年以后，他们对自己的工作逐渐认真起来。"门基"组合开始像一支真正的乐队那样演唱他们自己的歌曲了。 in which 在这儿引导定语从句修饰 a year or so，故可换成关系副词 when，"介词+关系代词 which"大多可转换成关系副词引导定语从句。

This paper starts with an analysis of the underlying structures of preposition-noun phrases, which come in six morphologically varied subgroups.

本文的"介词一名词"词组在词法上分为六类。

For example, users commonly change the meaning of search terms by using negations and prepositions; it is also fairly common to look for the less common members of a set.

例如，用户普遍变化的意义的搜索字词用否定和介词，它也是相当普遍，寻找较低的共同成员的一套。

After a preposition the objective case of pronouns should be used, but he used the nominative case.

在介词后面，人称代词应该用宾格，但是他用了主格。

After a preposition the objective case of pronounsshould be used.but you used the nominative case.

在介词之后应该用代词的宾格，但是你用的是主格。

When one of these noneconomic categories is threatened and, if we happen to love it, we invent excuses to give it economic importance.

本句的主句是scientists jumped to the rescue，其后带有一个由with引导介词短语，作方式状语，其中又套有一个 that 引导的同位语从句。

Hen one of these noneconomic categories is threatened and, if we happen to love it we invent excuses to give it economic importance. At the beginning of century songbiras were supposed to be disappearing.

ith some distinctly shaky evidence是介词短语作状语，其中有一个比较核心的宾语词evidence，这个单词在考研翻译20来中考过两次，分别出现在95年73题和99年的73题。

This road stretches northwards hundreds of kilometres.

这条路向北延伸数百英里。6）表示方式的名词短语前的介词有时可以省略。例如

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。