二、句型剖析

1.wherever 引导让步状语从句

【典型例句】

You can keep in touch with family member wherever you are in the world.

不管你在世界的什么地方，你都可以和家人保持联系。

Wherever you go, I'll follow you.

不管你去哪儿，我都跟着你。

【相关链接】

除了wherever之外，whoever, whenever, whatever, however等疑问连词都可引导让步状语从句，有时可以变为"no matter+what (where, who, when, how)".

Whatever (No matter what) he says, I won't believe him.

不管他说什么，我都不会相信。

Whoever knocks, don't open the door.

不管谁敲门，都不要开门。

Whenever you come, you are welcome.

无论你什么时候来都受欢迎。

You must finish the work on time, however difficult it is.

不管有多难，你必须按时完成工作。

【知识小结】

whoever与whatever 还可引导名词性从句，这时不可变为no matter who或no matter what。

I will do whatever you ask me to do.

(whatever不可变为no matter who).

无论你让我做什么，我都会做。

I will make friends with whoever wants to make friends with me.

(whoever引导宾语从句，不可变为no matter who).

我会和想和我交朋友的人交朋友。

2.不定式作主语

【典型例句】

To copy the words just as you found is not only cheating, but also not legal.

复制你找到的内容不仅是不诚实，而且不合法。

To ask him for help is necessary.

要求他帮忙是必要的。

To help poor people is our duty.

帮助穷人是我们的责任。

【知识小结】

(1)不定式作主语时，常常用it来作形式主语。

使句子显得较平衡。如：

It is a great pleasure to talk with him.

和他谈话是一件非常愉快的事。

(2)不定式除了作主语之外，还可作表语、宾语、定语、状语。如：

Her great wish is to become a pop star.

她最大的愿望是成为流行歌手。

I thought it better to start early.

我认为早点出发比较好。