动名词短语作主语、so that引导的目的状语从句等重点句型详解

动名词短语作主语、so that引导的目的状语从句等重点句型详解知识点包括动名词短语作主语、so that引导的目的状语从句、it作形式主语等部分，有关动名词短语作主语、so that引导的目的状语从句等重点句型详解的详情如下：

动名词短语作主语

Going from junior high school to senior high school is a really big challenge.

从初中过渡到高中真的是一项巨大的挑战。

句式分析：Going from junior high school to senior high school是动名词短语作主语。动名词短语作主语，谓语动词一般用单数。

Collecting information about children's health is his job.

收集有关儿童健康的信息是他的工作。

[易混辨析]

动名词/不定式作主语

动名 词	动名词作主语表示经常性、习惯性的动作。	Lying is wrong.撒谎不对。
不定 式	不定式作主语既可以表示经常性、习惯性的动作，又可表示具体的、一次性的动作。	To lie to her is wrong. 对她撒谎不对。

so that引导的目的状语从句

 I'll find a way to improve on my own so that I can make the team next year.

我要想办法提高自己，这样我明年就能进球队了。

句式分析：句中so that引导目的状语从句，意为“以便，为了”，相当于in order that，从句中常有情态动词may，can，could等。

I hired a boat so that I could go fishing.

我租了一条船，为的是去钓鱼。

We left early so that we could catch the first bus.

我们出发很早，以便能赶上第一班公交车。

He spoke loudly so that he could make himself heard.

他大声说话，以便别人能听到。

[思维拓展]

(1)so that也可引导结果状语从句，主从句可用逗号隔开。如：

I was caught in a heavy rain，so that all my clothes got wet.

我被大雨淋了，所以衣服全都湿了。

(2)so...that...的意思是“如此……以至于……”。so后接形容词或副词，而that引导结果状语从句。如：

He is so short that he can't reach the apple on the tree.

他太矮了，以至于够不着树上的苹果。

it作形式主语

I'm a bit worried about keeping up with the other students in my advanced course，and it'll be quite difficult to get used to all the homework.

我有点担心跟不上高级班的其他学生，而且很难适应所有的作业。

句式分析：本句是and连接的并列句。a bit意为“有点，稍微”，此处用来修饰形容词短语be worried about。

后半句中，it作形式主语，真正的主语是不定式短语to get used to all the homework。it作形式主语时，真正的主语可以是不定式短语，动名词短语或从句。

It's amazing how much pleasure you get out of the simple things in life, especially if you can't have them for a while.

从生活中如此简单的东西之中竟能得到这么大的乐趣，真是令人吃惊。特别是当你暂时吃不到这些东西的时候。

It is important for him to finish it in ten hours.

对他来说，10个小时之内完成是很重要的。

It is no good living alone without keeping in touch with others.

独居而不和外人来往没有好处。

It is strange how they did the job.

很奇怪他们是怎么做的这份工作。

It is obvious that she is very clever.

很明显，她非常聪明。

[思维拓展]

it作形式主语的几种句型：

It's ＋adj. (necessary/important/difficult...)/n. (a

pity/a pleasure... )＋for sb. to do sth.

It's ＋adj.(kind/good/foolish/nice...)＋of sb. to do sth.

It's ＋adj. (good/useful/worth...)/n. (fun/no use...)＋doing sth.

It's ＋adj. (obvious/important/clear...)/n. (a fact/good news... )＋that...

It's ＋过去分词(said/reported/believed... ) ＋that...

It takes sb. ＋some time＋to do sth.

It seems/appears＋that...

It seems/looks as if...

It doesn't matter whether/if...