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1、1英语句型转换点拔与训练英语句型转换点拔与训练一、肯定句变否定句的技巧一、肯定句变否定句的技巧1.动词后直接加 not。原句中含有 be 动词(am, is, are, was, were) 和助动词(have, has, had) 和情态动词(can, shall, will, may, should, would, might, had better 等)时，要在动词后直接加 not。如：His mother has already called the police for help. (乌鲁木齐市中考题)His mother _ called the police for help _
2、. (答案：hasnt, yet)2.原句中没有 be 动词，助动词或情态动词时，要在行为动词前加助动词(do, does, did)与 否定副词 not 的缩写形式。另外，还需要将原句子中的 some 改为 any； too 改 either；already 改为 yet。还需要分清 do, have 等是实义动词还是助动词。如：The old man hurt his leg last Wednesday. (西宁市中考题)The old man _ _ his leg last Wednesday. (答案：didnt hurt)3.原句中含有 every, everything, al
3、l, both 等不定代词或 bothand, a lot of 等短语时，与 否定副词 not 连用属部分否定。把这些不定代词变成 neither, none, no one 或把 bothand变 成 neithernor时，才是全部否定。如：Both Joy and Sam like singing Beijing Opera. (新疆中考题)_ Joy _ Sam likes singing Beijing Opera.(答案：Neither, nor)4.在含有宾语从句的主从复合句中，当主句的主语是第一人称，谓语动词是 think 时，如 果要否定后面的宾语从句，习惯上否定主句的谓语
4、动词。如：I think she will come here soon. I dont think she will come here soon.二、复合句与简单句的转换技巧二、复合句与简单句的转换技巧1.含宾语从句的复合句转换为简单句即将宾语从句转换成相应的短语。如：We expected that you would come. 我们希望你来。We expected you to come. 我们希望你来。Now tell me what I should do. 现在告诉我该怎么办。Now tell me what to do. 现在告诉我该怎么办。I remember I once
5、 met her at a party. 我记得在一次晚会上见过他。I remember once meeting her at a party. 我记得在一次晚会上见过他。I ask him what I shall do. 我问他该怎么办。I ask him what to do. 我问他该怎么办。I cant decide whom I should invite. 我不能决定该邀请谁。I cant decide whom to invite. 我不能决定该邀请谁。2.含状语从句的复合句转换成简单句即将状语从句转换成状语短语。如：He cant come because he is il
6、l. 他因病不能来。He cant come because of his illness. 他因病不能来。2Turn off the light before you leave. 离开前请关灯。Turn off the light before leaving. 离开前请关灯。He went home after he finished his work. 他做完工作后就回家了。He went home after finishing his work. 他做完工作后就回家了。He was so angry that he couldnt speak. 他气得话都说不出来。He was t
7、oo angry too speak. 他气得话都说不出来。He studied hard in order that he could pass the exam. 他努力学习以便能考及格。He studied hard in order to pass the exam. 他努力学习以便能考及格。英语句子类型的转换 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： 第一类第一类 改成否定句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
8、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：1. He was late for school yesterday. （黑龙江省泰州市）He_ _late for school yesterday.2. The students of No.2 Middle School have gone for a picnic already. （新疆）The students of No.2 Middle School _ _ gone for a picnic yet. 二、祈使句变否定句一般在其前加
9、dont。如：3. Open the window. （江苏省）_ open the window. 三、实义动词的否定式是在实义动词前加 dont, doesnt, didnt 等。如：4. She does the housework every day. （黑龙江省哈尔滨市）She _ _ the housework every day.5. He returned the book to the library this morning. （重庆市）He _ _ 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 som
10、e 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. （甘肃省兰州市）_ of them is my best friend. 第二类第二类 改为疑问句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
11、也要注意某些词语和人称的变化。如：7. Theres something to eat in the cupboard.（贵州省贵阳市）_ _ _ to eat in the cupboard？8. Kate does morning exercises every day. （山东省济南市）_ Kate _ morning exercises every day？39. Ann returned the book to the library yesterday. （四川省成都市）_ Ann _ the book to the library yesterday？ 二、变选择疑问句时二、变选
12、择疑问句时，如果该句是一般疑问句，则在后面直接加“or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） （新疆）_ John an American _ a Canadian？ 三、变反意疑问句时，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, _ _？（山东省泰安市）12. You will meet your friends at the rai
13、lway station, _ _？（重庆）13. She had nothing for breakfast, _ _？（青海）14. There was no time for the twins to go shopping, _ _？（哈尔滨市） 第三类第三类 单数句与复数句之间的互变单数句与复数句之间的互变转化时，名词和动词的人称和数，人称代词、物主代词、指示代词的人称和数都要作 相应的变化。如：15. That is my book. （浙江省宁波市）_ _ _ _.16. She is his student. （江苏）_ _ _ _. 第四类第四类 变感叹句变感叹句将陈述句变成
14、感叹句，要分以下几步：第一步：在陈述句的谓语动词后将句子划断。如：The boxes arevery heavy.第二步：斜线后的形容词、副词的修饰语要去掉，如上句去掉 very。第三步：若斜线后部分的中心词是形容词、副词，则在斜线后部分的前面加 how。如 果中心词是名词，就加 what。第四步：将陈述句句首的大写改为小写，将感叹句句首改为大写。第五步：将陈述句句末的句号改为感叹号。于是上句应改为：How heavy the boxes are！又如：17. They are happy to see each other.（甘肃省兰州市）_ _ they are to see each o
15、ther！ 第五类第五类 同义转换同义转换指用不同的词汇、短语、句型表示相同或相近的意思。它主要有以下几种变化： 一、用同义词（词组） 、近义词（词组）替换句中的某一部分。如：18. Lin Tao is good at physics. （江苏省盐城市）Lin Tao _ _ _ physics.19. It took him two hours to play with computers last night. （甘肃省兰州市）He _ two hours _ with computers last night. 二、用反义词（词组）或句型改写。如：20. I think art is less important than maths. （浙江省杭州市）I _ _ art _ more important than maths.21. The runner fell behind the others though he did what he could.（
