It is believed that 形式主语结构-2025-2026学年高中英语必修一句型易错点精讲（北师大版）

高中必修第一册北师大版 【寒假专版】 B版句型易错点精讲 寒假专版 【B版句型易错点精讲】It is believed that.… 高中·北师大版·必修第一册 句型结构：It is believed that..(形式主语结构) 易错点1：时态不一致 核心知识点： It is believed that..中，主句it is believed为一般现在时表客观事实，从句时态根据语境可灵 活使用（如一般过去时、现在完成时等）。 典型例句对比： 典型错误：It is believed that the Great Wall is built thousands of years ago.（×) 正确表达：It is believed that the Great Wall was built thousands of years ago.(√) 真题链接（北师大版高中必修第一册同步练习）： It is believed that tea to Korea and Japan from China during the 6th and 7th centuries A.brings B.brought C.was brought D.is brought 答案：C 解析：从句中“茶被带到韩国和日本”发生在过去，且表被动，用一般过去时的被动语态。 易错点2：主谓一致错误 核心知识点： tht引导的主语从句中，谓语动词的单复数需根据从句主语的单复数确定。 高中必修第一册北师大版 【寒假专版】 B版句型易错点精讲 典型例句对比： 典型错误：It is believed that the number of students are increasing.(×) 正确表达：It is believed that the number of students is increasing.() 真题链接（北师大版高中必修第一册基础训练）： It is believed that three quarters of the earth's surface covered with water. A.is B.are C.was D.were 答案：A 解析：从句主语“three quarters of the earth's surface”表单数概念，谓语用is。 易错点3：语态错误 核心知识点： It is believed that..表达“被认为”，主语从句中若主语是动作的承受者，需用被动语态。 典型例句对比： 典型错误：It is believed that people speak English all over the world..(×) 正确表达：It is believed that English is spoken all over the world..(√) 例句对比： It is believed that he invented the device..(主动，he是动作发出者) It is believed that the device was invented by him.(被动，device是动作承受者) 易错点4：人称混淆 核心知识点： It is believed that..表“人们普遍认为”（客观语气），I believe that..表个人观点（主观语 气)，不可混用。 典型例句对比： 典型错误：I is believed that he will come tomorrow.(×) 正确表达：It is believed that he will come tomorrow.(√) 2 高中必修第一册北师大版 【寒假专版】 B版句型易错点精讲 真题链接（北师大版高中必修第一册同步测试）： is believed that the first basketball game in history was played in 1891. A.This B.That C.It D.What 答案：C 解析：此处需用it作形式主语，代替that引导的主语从句，构成It is believed that.结构。 句型易错点精准训练 一、单项选择（考查It is believed that..句型及时态、语态、主谓一致） 1.It is believed that the first computer in America in 1946 A.invents B.invented C.was invented D.is invented 2.It is believed that three fifths of the water in this river polluted last year. A.is B.are C.was D.were 3 is believed that the famous singer will give a concert in our city next month. A.This B.It C.That D.What 二、用所给单词的适当形式填空（考查It is believed that.句型中的时态和语态） 3 高中必修第一册北师大版 【寒假专版】 B版句型易错点精讲 1.It is believed that this story. (write)by a young writer many years ago. 2.It is believed that the number of wild animals (increase)now. 3.It is believed that tea (bring)to Europe from China in the 17th century. 三、改正句子中的错误（考查It is believed that..句型的易错点） 1.It is believed that the pyramids in Egypt is built thousands of years ago. 2.I is believed that he will finish the work on time. 3.It is believed that the students in this class studies very hard. 参考答案 I单项选择 1.C2.C3B Ⅱ用所给词的适当形式填空 1.was written 2.is increasing 3.was brought I改正句子中的错误 1.It is believed that the pyramids in Egypt were built thousands of years ago. 2.It is believed that he will finish the work on time. 3.It is believed that the students in this class study very hard.