2011公共英语考试PETS2写作命题规律及练习－1
写作部分是对考生书面表达能力的考查，因而在命题方面有着不同于其他部分的特点,考生应了解其命题规律，做到心中有数。
改写句子
该节共有3道题，主要考查考生在意思相同的情况下，对不同句型的表达方式的掌握。改写句子最基本的要求是保证改写后的句子和原句的意思大体相同。以填空的形式命题，考生须填补空白并使补全的句子与原句意思一致。该节要求考生要仔细阅读原句，准确理解其含义，将原句和目标句相互比较，找出需要补全的内容，正确改写句子。
（一）改写句子的常考题型
● 主动语态与被动语态的转换
【例句】
1.Many workers built this factory in 2001.
This factoryby many workers in 2001.
【正确答案】was built
【规律分析】这部分要求熟悉被动语态的构成——不同时态下系动词be的变化形式。
● 直接引语与间接引语的转换
【例句】
2.He asked me,“Where are you going?”
He asked me.
【正确答案】where I was going
【规律分析】这部分要求了解直接引语与间接引语。二者互变时要注意：人称的变化；时间表示法的变化；指示代词的变化；一般疑问句中疑问词的变化；特殊疑问句中语序的变化规则等。
● There be句型的变换
【例句】
3.The room is empty.
There is in the room.
4.What can I do for you?
anything I can do for you?
【正确答案】3.nothing4.Is there
【规律分析】这部分要求了解 there be 句型的基本结构，注意系动词be在不同语境下的变化形式。
● It引导的形式主语句子与其他句型的转换
【例句】
5.He spent 4 hours in doing his homework yesterday.
It took him 4 hours his homework yesterday.
6.It seems that they like pop music.
They to like pop music.
【正确答案】5.to do6.seem
【规律分析】这部分要求了解代词it在句子中的各种用法。it是相当活跃的代词，它可以作形式主语、形式宾语和引导强调句等。
● 一些习惯用法的不同表示法
7.They have studied English for 20 years.
They began to study English .
8.He went to the class at 9 o'clock.
He didn't go to the class 9 o'clock.
【正确答案】7.20 years ago8.until
【规律分析】这部分要求掌握英语中一些习惯用法的表达方式。在改写句子时，要求用不同的句型或不同的词表达出相同的意思。
● 词或词组间的互换
【例句】
9.He spent 20 dollars buying this book.
He20 dollars this book.
10.She does well in English.
She is English.
【正确答案】9.paid……for10.good at
【规律分析】这部分考查同义词或词组的替换。有些词虽然意义相近或相同，但往往在用法和结构搭配上有区别，考生应尤其注意。
● 句子与词组间的互换
【例句】
11.We're always busy with our work.
We seldom have .
12.The boy is very young. The boy can't understand it.
The boy isyoung understand it.
【正确答案】11.free/spare time12.too……to
【规律分析】这部分要求掌握一些惯用词组的用法，同时注意句子和词组间的互换往往会使得句子结构改变。
● 形容词、副词比较级等基本句型的转换
【例句】
13.Don't forget to bring your book!
to bring your book!
14.My mother is not in/at home.
My mother is.
【正确答案】13.Remember14.out
【规律分析】这部分要求掌握一些基本的反义词，然后通过否定反义词的方法达到肯定的目的。
● 反义词
【例句】
15.I don't think maths is as interesting as English.
I think maths is English!
16.Of all the boys in the class, John runs the fastest.
John runsany other boy in the class.
【正确答案】15.less interesting than16.faster than
【规律分析】这部分要求考生熟悉一些形容词、副词比较级的基本句型，如：not as （so）+原级形式+as;比较级形式+than……；最高级形式+……in（of）……
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