并联连词and 之后完全可以再跟一个复合句（主从句），因此就出现了：

and when..., and as..., and before..., and if..., and because...等情况，这很正常。此外，and 除了引导并列句之外，还可用在句首，起到承上启下的作用。这样的例子比比皆是，例如：

1. Emma slept, and when she woke, she had a shower.  艾玛睡了一觉，醒来后，冲了个澡。

2. And when I look in his eye, it is not his eye that I see. 而当我向他的眼睛望去，我发现我所见到的不是他的眼。

3. And when they do what you want them to do, praise them generously. 当他们做你想做的事情的时候，你就要慷慨地表扬他们。

4. Yes, and when you do, here's some useful information.  没错，我这儿还有一些实用的参考资料。

5. And as he gives the ring to her she begins to sing happily.  当他把戒指给她的时候，她开始高兴地唱歌。

6. And as a new day dawns she will thank the road yet again, for special times shared. 因为新一天的黎明的到来，她将要再次感谢——路，让她分享了这特殊的时刻。

7. And as technology continues to evolve, I have the flexibility to embrace any new media that arise. 而随着科技的持续发展，我还具备了使用任何新出现的科技的灵活性。

8. And as these things go, the languages or ideas of the future have been around for decades. 随着这些东西的不断变化，未来的语言或是思想在十年里形成。

9. If it's of any use to you and if you like it, you can have it for keeps.  如果这东西对你有用，而你又喜欢的话，你尽可以留着它。

10. Did you ever have the measles, and if so, how many?  你得过麻疹吗，要是得过，出了几粒?

11. And if Adele is still awake, ask her to come down.  如果阿代尔还没有睡，就叫她下来。

12. I went home, I ate and before you know it, I started feeling sick.  我回家吃饭，接着不知不觉就觉得不舒服。

13. The boys threw snowballs at me and before I came to my senses they ran away.  那些男孩向我掷雪球，及至我定过神来时，他们已逃这夭夭了。

14. And because I was deaf, I could not learn to speak.  正因为我是一个聋子，所以不可能学会说话。

15. He succeeded both because he was industrious and because he had many friends to help him.  他的成功是由于勤勉和许多朋友的帮助。

16. And because he was Aristotle, the great thinker, no one questioned his idea for almost 2,000 years.  因为他是伟大的思想家亚里斯多德，所以差不多有两千年之久，没有人对他的观点提出过怀疑。