含有宾语从句的复合句转化为简单句
1. that引导的宾语从句，且从句主语与主句的主语相同时，宾语从句有时可简化为不定式。
如从句的主语与主句的主语不相同时，宾语从句有时可简化为名词/代词宾格+不定式。
I hope that I will go to college one day.
I hope to go to college one day. 我希望有一天能上大学。
They agreed that she would help me with my math.
They agreed her to help me with my math. 他们同意帮助她我数学。
2. that引导的宾语从句，且从句主语与主句的主语相同时，宾语从句有时转化为动名词短语。
I forget that I have turned off the light.
I forget turning off the light. 我忘了关灯。
I remember that I have told him the story.
I remember telling him the story. 我记得给他讲了这个故事。
2.由疑问代词what或疑问副词how, where, when, why等引导的宾语从句，主句的主语与从句的主语一致时，宾语从句有时可转化为“疑问词+不定式”结构。
Kate did’t know what she should do.
Kate did’t know what to do. 凯特不知道该做什么。
I have forgotten how I can use this word.
I have forgotten how to use this word. 我忘了怎么样用这个词。
3. 当主句的谓语动词后接双宾语，从句是特殊疑问句，且主语和间接宾语一致时，宾语从句有时可转化为“疑问词+不定式”。
Could you tell me how I can get to the park?
Could you tell me how to get to the park?
Please tell me where I can find him.
Please tell me where to find him. 请告诉我在哪里能找到他。
4.某些动词后的宾语从句，可以用介词加动名词（短语）等其他形式简化。
He insisted that he should go with us. →
He insisted on going with us.
The poor boy doesn’t know when and where he was born. →
The poor boy doesn’t know the time and the place of his birth.
5.宾语从句含有某物正在做某事，有时可转化为“宾语+现在分词”。
I found there was a boy lying on the road yesterday.
I found a boy lying on the road yesterday.
I see they are cleaning the classroom.
I see them cleaning the classroom. 我看见他们正在打扫教室。
6.宾语从句有时可转化为“it +形容词+不定式”。
I think that it is impossible to finish the work today.
I think it impossible to finish the work today.
我认为今天是不可能完成这项工作的。
I found that it is important to learn English.
I found it important to learn English. 我发现学习英语很重要。
7.宾语从句有时可转化为“名词/代词宾格+形容词”。
They found that the box was very heavy. →
They found the box very heavy
8.宾语从句转化为“名词或名词短语”。
I will take back what I said.
I will take back my words. 我将收回我所说的话。
Can you tell me how I can get to the station?
Can you tell me the way to the station? 你能告诉我去车站的路吗？9.如果宾语从句的谓语动词是被动语态，可将宾语从句改为过去分词（短语）作宾补。
I found that the table was covered with dust when I came back.
I found the table covered with dust when I came back.
当我回来时，我发现桌子被灰尘覆盖了。
11.动词seem后的宾语从句，也可以用不定式（短语）来简化，但句型需要进行适当的变化。
It seemed that the boys were going to win. →The boys seemed to win.
用“too…to…”结构可以将含有so…that引导的结果语从句(否定)的复合句转成简单句。
The boy is so young that he can’t look after himself. →
The boy is too young to look after himself.
The question is so difficult that I can’t answer it . →
The question is too difficult for me to answer.
用“…enough +不定式”结构可以将含有so …that …引导的结果状语从句（肯定）的复合句转变为简单句。
The girl is so tall that she can reach the apples on the tree. →
The girl is tall enough to reach the apples on the tree.
This hall is so large that it can hold 2000 people. →
This hall is large enough to hold 2000 people.
The table was so light that the little boy can carry it. →
The table was light enough for the little boy to carry.
用“in order +不定式”或“so as +不定式”结构可以将含有so that 引导的目的状语从句的复合句转换为简单句。
如：1. She decided to buy a camera online so that she could receive it soon.
→She decided to buy a camera online in order to receive it soon.
→She decided to buy a camera online so as to receive it soon.
2. I went over my composition again and again so that I couldn’t make any mistakes.
→I went over my composition again and again in order not to make any mistakes.
→I went over my composition again and again so as not to make any mistakes.
3. Miyoko bought a camera so that she could take pictures in Beijing.
→Miyoko bought a camera in order to take pictures in Beijing.
→Miyoko bought a camera so as to take pictures in Beijing.
七．在某些作表语的形容词后面加不定式可以将某些含有状语从句的复合句转变成简单句。
例如：
1. I was glad when I heard the good news .
→I was glad to hear the good news.
2. Tom’s parents were very surprised as they knew all about it.
→Tom’s parents were very surprised to know all about it.。