连接词是连接单字、片语或字句的字或字群，不能独立充当句子成分。在英语词类中，连接词可说是最容易掌握的一种。主要有“and”、“or”等。

• 中文名称 连接词
• 外文名称 conjunction
• 举例 连接词and连接两个名词
• 分类 并列连词 从属连词

举例

　　1)连接词and连接两个名词。

　　汤姆和杰瑞将去美国。

　　2)连接词and连接两个动词片语。

　　他们锁上门就去睡觉了。

　　3)连接词for连接两个对等子句。

　　因为没有足够的钱,他没和我们一起去。

分类

　　从结构上说，英语连接词分两大类:并列连词(coordinating conjunctions)和从属连词(subordinating conjunctions)。

并列连词

　　并列连词连接两个或两个以上地位平等的字、词组或分句。例如:

　　(1) Air and water are indispensable to me.

　　(2) She likes going out with friends or playing outdoor games.

　　(3) Most workers have a good income, so they look very happy。

从属连词

　　从属连词连接两个或两个以上的分句，形成复杂句中的从属分句。例如:

　　(4) He said that he did not want to go .

　　(5) Many things have happened since I last saw him.

　　(6) You may come if you want to.

举例

　　上述连词的用法，看起来不难，但错误也难免。下面是些好例子:

　　(1) This book may be used both as a text as well as a reference book.

　　这里的"as well as"和"both"不能搭配，应该将"as well "改为"and"，使"both.......and......"变成关联连词( correlative conjunction)

　　(2) He not only speaks Mandarin but also English.

　　这里的"not only"应该移到"speaks"后面，使这个动词兼顾两个等立宾语:"Mandarin"和"English"。

　　(3) Although he is fat, but he is very weak.

　　英语里的"although"和"but"是不见面的 ，因此这句里的" but"要去掉，不然"although"就要出来。

　　(4) Jim is not so strong like you.

　　这里的"not so"必须和"as"连成一体;介词"like"是不适宜的。

　　(5) No sooner had we reached our destination, they left.

　　"No sooner"必须和"than" 配成关联连词，把"than" 省掉是不对的，应该补上:

　　No sooner had we reached our destination than they left.

　　这句子的意思也可透过"as soon as"反映出来:

　　"As soon as we reached our destination, they left."

　　(6) I took a taxi and which took me to the station.

　　这里的并列连词"and"是多余的，必须去掉。如果要保留"and "也可，但是形容词分句里的关系代词"Which"要改成主语"it" ，使整个句子变成并列分句如下:

　　I took a taxi and it took me to the station.

　　(7) My friend came up to me and held my hand, said good-bye excitedly.

　　这里的"and"应该用来连接最后两个谓语才对:

　　My friend came up to me, held my hand, and said good-bye excitedly.

　　不然，就要把"said"改成"saying"。

　　My friend came up to me and held my hand, saying good-bye excitedly.