英语中的虚词有哪些

英语中的虚词（function words）是没有实际意义的词，它们不能独立充当句子成分，但能起到连接、修饰、限定等语法功能。以下是一些常见的英语虚词：

1. 冠词（Determiners）：

a, an, the

2. 代词（Pronouns）：

I, you, he, she, it, we, they, me, my, mine, myself, you, your, yours, yourself, he, him, his, herself, itself, ourselves, yourselves, themselves

who, whom, whose, which, that, this, it, one, some, any, all, each, every, few, many, much, most, other, another, some, any, none, either, neither

3. 介词（Prepositions）：

in, on, at, by, for, with, of, to, from, about, after, before, between, among, into, through, during, over, under, upon, etc.

4. 连词（Conjunctions）：

and, but, or, nor, so, for, yet, because, although, if, whether, when, while, once, since, until, etc.

5. 情态动词（Modal Verbs）：

can, could, may, might, shall, should, will, would, must, ought to, need, dare, etc.

6. 助动词（Auxiliary Verbs）：

be, been, being, am, is, are, was, were, been, being, have, has, had, do, does, did, will, would, shall, should, may, might, can, could, must, ought to, need, dare, etc.

7. 感叹词（Interjections）：

oh, ah, wow, yay, hey, etc.

这些虚词在句子中起到连接词与词、词与词组、词组与句子等的作用，是构成句子结构的重要部分。