1、上海中考英语句型转换讲解与练习【考点讲解】 一、肯定句改为否定句 在做此类题时，通常在系动词、助动词和情态动词后加not (n't)。如果句中没有这些词，则根据谓语动词的原形、第三人称单数动词形式或过去式而分别在其前面加do not (don't), does not (doesn't) 或did not (didn't), 并将第三人称单数动词形式或过去式改为原形。如： We can finish the work this afternoon. →We can't finish the wo
2、rk this afternoon. They put the basket under the tree just now. →They didn't put the basket under the tree just now. 注意：1. 当think, believe, suppose等动词后面跟宾语从句时，通常用否定主句谓语动词来达到否定从句谓语动词的目的。如： I think they can come tonight. →I don't think they can come toni
3、ght.2. 当must表示推测，表示“一定；肯定”的含义时，否定句应用can't。如： He must be in the room. →He can't be in the room. 二、陈述句改为疑问句 陈述句改为疑问句一般有三种情况：一是改为一般疑问句，二是改为反意疑问句。如: 1. The students had learned about 1,000 English words by the end of last term. （改为一般疑问句） →Had the studen
4、ts learned about 1,000 English words by the end of last term? 2. The twins have never been to the Summer Palace, have they? （完成反意疑问句） 三、对划线部分提问 对划线部分提问，就是用一个合适的疑问词去替代句中的某一成分，使之成为一个特殊疑问句。当对主语或主语的定语提问时，用陈述句语序。对定语提问时，所修饰的名词应放在疑问词后。对其他成分提问，用“疑问词+一般疑问句语序”
5、。如： 1.Tom will be back in ten days. （对划线部分提问） →Who will be back in ten days? 2. He writes to his father once a month. （对划线部分提问） →How often does he write to his father? 四、同义句改写 1．根据句意改写 主要考查学生对句意的理解和用一个词或一种结构来概括上句的意思的综合能力。如： 1. Li Hua and Zhang Ming are
6、 the same age. Li Hua is _________ _________ _________ Zhang Ming. 【答案】as old / young as。第一句的意思是“李华和张明同岁”，第二句是说“李华和张明年纪一样大”。 2. How many people live in France? _________ _________ the population of France? 【答案】What is。第一句的意思是“法国有多少人?”第二句的意思是“法国的人口有多少
7、?” 3. The runner fell behind the others though he did what he could.The runner _________ to keep up with the others though he _________ his _________. 【答案】failed; tried; best。第一句意思是：虽然这名赛跑选手尽了全力，但还是落在了别人的后面。第二句的意思是：虽然这名赛跑选手尽了全力，但还是跟不上别人。 4. Before tal
8、king, he told me his name and I told him my name . We _________ _________ _________ _________ before talking. 【答案】told each other’s names。第一句意思是：谈话前，他告诉了我他的名字，我也告诉他我的名字。第二句的意思是：谈话前，我们相互告知了对方的名字。 5. She has been away from Shanghai for
