思考题
1)The worker's visited the factory already.（改成否定句、一般疑问句）
The worker _____ _____ the factory ______. ____ the worker ___ the factory __?
2)Both of his parents are workers.（改成否定句） ___ of his parents ______ a worker.
3)He went to the park with his sister.（划线提问） _____ ____ ____ he go to the park?
4)We really enjoyed working on the farm.（划线提问） What _____ you really enjoy ______?
5)She writes to her parents once a week.（划线提问） _______ ______ ______ she write to her parents?
6)Our P.E teacher has been at this school since he came.（划线提问）
______ ______ ______ our P.E teacher been at this school?
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句型转换题是中考常见题型，它主要用来考查大家对句子结构的构成、变化的掌握及在行文中的运用等，类型繁多。现以近两年中考题为例，分类介绍如下：
[第一类] 改成否定句
英语中有关否定的结构各不相同，除动词部分构成的否定外，还有名词、代词的否定、部分否定、否定转移、以及一些表示否定意义的短语或句型等。
一、含有连系动词、情态动词等助动词的句子改为否定句时，在连系动词、情态动词等的后面加not就行了。如：（划线部分为正确答案，下同。）
1. He was late for school yesterday. （2005黑龙江省泰州市） He wasn’t late for school yesterday.
2. The students of No.2 Middle School have gone for a picnic already. （2004新疆）
The students of No.2 Middle School haven’t gone for a picnic yet. 二、祈使句变否定句一般在其前加don’t。如： 3. Open the window. （2005江苏省） Don’t open the window.
三、实义动词的否定式是在实义动词前加don’t, doesn’t, didn’t等。如：
4. She does the housework every day. （2005黑龙江省哈尔滨市） She doesn’t do the housework every day.
5. He returned the book to the library this morning. （2004
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重庆市）
He didn’t return the book to the library this morning. 注意：变否定句时须注意某些词语的变化，如some改为any, something改为anything, already改为yet, both改为neither, all改为none等。又如：
6. Both of them are my best friends. （2004甘肃省兰州市） Neither of them is my best friend.
[第二类] 改为疑问句
可分为一般疑问句、选择疑问句和反意疑问句。
一、变一般疑问句时，含有连系动词、情态动词的句子，只需将它们移至句首，第一个字母变为大写，句尾改为问号即可。含有实义动词的句子，在实义动词前加do, does, did等。变化过程中也要注意某些词语和人称的变化。如：
7. There’s something to eat in the cupboard.（2005贵州省贵阳市）
Is there anything to eat in the cupboard？
8. Kate does morning exercises every day. （2004山东省济南市）
Does Kate do morning exercises every day？
9. Ann returned the book to the library yesterday. （2005四川省成都市）
Did Ann return the book to the library yesterday？
二、变选择疑问句时，如果该句是一般疑问句，则在后面直接加“or
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＋另一选择部分”就行了；若是陈述句，则要先变成一般疑问句。如： 10. John is an American. （用a Canadian改为选择疑问句）（2004新疆）
Is John an American or a Canadian？
三、变反意疑问句时，要注意“前肯后否”和“前否后肯”，还要注意一些特殊形式的反意疑问句。如：
11. She has hardly had anything this morning, has she？（2005山东省泰安市）
12. You will meet your friends at the railway station, won’t you？（2004重庆）
13. She had nothing for breakfast, did she？（2005青海） 14. There was no time for the twins to go shopping, was there？（2004黑龙江省哈尔滨市）
1. His father is an English teacher. 2. These cats are crying. 3. They can swim.. 4. I like to read English. 5. I go to school on foot. 6. He likes English.
7. His father goes to work by bus. 8. He is crying under the tree.
9. His birthday is on the twentieth of November. 10. Mrs. Li and Kitty are in a big shop.
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