1 and. but. or ,并列连词,放在第二句首。

2 并列连词在连接两个分句时,其位置固定在所引导的分句的句首。如:

He likes volleyball, but he can't play it well.

3两个并列连词不可以连用。

4并列连词不可以与从属连词连用。如(因为/所以,不同时使用)。

[微风]以and 为代表的,表示意义引申的并列连词用法:

[心] and[心]

(1)表增补,补充(递进)。

(2) and连接谓语动词时,表动作的连续。如

Tom saw me and come and sat at the same table.

(3)肯定条件=条件句的变体。

a: [微风]祈使句+and +will/shall陈述句。

b :[微风]祈使句=If肯定的条件句。

如 Work hard and you'll pass the exam.→ Work hard =If you work hard.

(4)对比表“而”。

Mary is interested in music and Jim is fond of sports.(表对比)

(5)表结果“所以/因此”。

I had just lost 50 pounds and I felt

very upset.

and连接的两个动词时态要一致吗(并列连词and.but.or.小结)(1)

[心]but[心]

1表意义转折。

I left my money in the room,but it is missinging now.

2 表对比或对照(与否定词not,little never,hardly 连用)。如

not ~ but~不是~而是。

The umbrella is not mine but hers.这把伞不是我的而是她的。

3 对比项不一定是平衡。

[心]or[心]

1表选择。

2 表同位关系或换个说法。“或者/也就是”。如

Soccer or football is popular all over the world.

3大约或不确定的情况。“或者”。如

Mr Li or Mr Liu called you yesterday.

4表否定条件。or=or else.“要不然的话/否则的话” 有二种情况:

(1)[微风]祈使句+or+陈述句( will/shall+动词),祈使句是if引导的否定句。

如Hurry up or you'll be late for the last train. = If you don't hurry up , you'll be late for the last train.

(2)[微风]祈使句+and +陈述句( will/shall+动词)。祈使句是if引导的肯定句。

5 否定句中用or代替and.

and连接的两个动词时态要一致吗(并列连词and.but.or.小结)(2)

,