一．
连词的含义
连词是一种虚词，在句中不能单独作句子的成分，也没有词形变化。

它只起连接词与词，短
语与短语或句子与句子的作用。

八．连词的种类
连词分为并列连词和从属连词。

1．并列连词：分为常用和关联两种
⑴常用并列连词：and but or so
And 是常用的并列连词，它可以连接对等关系的词，短语或句子。

常意为“和，又，同”？
e.g I stayed at home and cleaned the house.
You ,he and I must go.
Let’s go and play football.
But是表示意义转折的连词，可连接两种并列成分或句子，连接成分只能是两个，表对比，
相当于and yet .可意为“但是，然而”
e.g : Not you but I am wrong .
oesn’t get a garden
It’s a nice house ,but it d
He is young ,but very experienced.
Or表选择，只选其一
e.g :Which is the biggest ,the sun the moon or the earth ?
Mary or I am wrong.
Don’t m ove, or I’ll shoot you .
So表示结果，连接句子。

为了与前句连贯或表示惊异，so 可放在句首。

e.g : It was very hot ,so I opened the window .
raining now ,so I bring an umbrella out .
It’ｓ
The bear thought he was dead ,so it went away .
⑵关联并列连词
Both,,and ,,和，不但,,而且,,
e.g Both Li Ping and Wu Na are English teachers.
If he arrived late ,he would lose both the land and the money.
Either,,or ,,要么,,要么,,；不是,,就是,,
e.g Either I or you make a mistake .
Either you or he is foolish .
Can you speak either Chinese or English?
Neither,,nor ,,既不,,也不,,
e.g Neither I nor he was right
I have neither time nor money
He neither knows nor cares about the news
Not only ,,but also ,,不但,,而且,,
e.g: Not only his parents but also he is nice to me .
Deng Yaping is famous not only in China but also in the world.
He not only says well but also does well.
2.从属连词
从属连词用来连接主句和从句。

⑴从属连词的类别
引导名词从句that\ if\ what\ when \as if \whether\who \which \how。