形式主语结构-2025-2026学年高中英语必修一句型真题直击（北师大版）

高中必修第一册北师大版 【核心句型专练】 D版真题直击 核心考点 【D版句型真题直击】It is believed that.. (形式主语结构)》 高中☐北师大版☐必修第一册 句型结构 It is believed that... 语法功能：避免句子头重脚轻，使句式更平衡。t作形式主语，真正主语是hat引导的从句。 直击真题高效讲 真题1（单项选择口月考真题） that the earliest form of writing dates back to over 5,000 years ago? A.They are believed B.It is believed C.It believes D.People are believed 答案：B 核心知识点 l.结构考点：It is believed that..为形式主语结构，it作形式主语，真正主语是that引导的从句 2.语法功能：避免句子头重脚轻，使句式更平衡。本题中主语从句the earliest form of writing dates back to over5,000 years ago'”较长，故用it作形式主语 3.干扰项排除：A、D选项为主语+被动结构，不符合形式主语句式：C选项为主谓结构，t无法 作believe的主语（逻辑不通） 真题2（句型转换☐期中真题） People believe that the Great Wall is one of the wonders of the world.(用It is believed that.改写句子) 答案：It is believed that the Great Wall is one of the wonders of the world. 核心知识点： l.结构转换考点：原句为主谓宾结构(People believe+宾语从句)，改写为形式主语结构时，需将 宾语从句提升为真正主语，用it作形式主语，谓语动词用被动语态is believed 高中必修第一册北师大版 【核心句型专练】D版真题直击 2.含义不变原则：改写后句子核心含义”长城被认为是世界奇迹之一”与原句一致，仅句式从主动 变为被动的形式主语结构 真题3（用所给词的适当形式填空口期末真题) It is believed that tea (invent)by accident over 4,000 years ago. 答案：was invented 核心知识点： 1.时态与语态考点：从句主语tea与invent为被动关系，需用被动语态：时间状语'over4,000 years ago”表明为一般过去时，故填was invented 2.形式主语结构特征：It is believed that..中，从句时态需根据实际语境判断，不受主句时态（一般 现在时is believed)限制 真题4（完成句子口月考真题） 人们认为人工智能将在未来改变我们的生活方式。 artificial intelligence will change our lifestyle in the future. 答案：It is believed that 核心知识点： l.汉译英考点：中文人们认为.”对应英文形式主语结构It is believed that..,其中it无实际意义， 仅作形式主语，真正主语是后续的that从句 2.固定搭配：”人们认为”是该结构的典型语境，需严格按照It is believed that的顺序填空，注意 that不可省略（引导主语从句时that通常不省略） 真题5（语篇填空☐期末真题片段） It is believed that reading (improve)our vocabulary and critical thinking skills.Many students choose to read for at least 30 minutes every day. 答案：improves 核心知识点： l.主谓一致考点：从句主语reading为动名词，视为单数，谓语动词用第三人称单数形式improves 2.形式主语结构特点：It is believed that.中，从句谓语动词的数由从句主语决定，与形式主语it无 关 真题6（判断改错☐期中真题） 2 高中必修第一册北师大版 【核心句型专练】 D版真题直击 It is believed what the earth goes around the sun.(找出错误并改正) 答案：将what改为that 核心知识点： 1.连接词错误警示：It is believed that..中，真正主语从句需用that引导，that在从句中无实际意义 且不充当成分：wht为连接代词，需在从句中作主语、宾语等成分，本题从句结构完整（主谓宾 齐全)，故用that而非what 真题精准训练 一、 单项选择（考查It is believed that...结构及连接词） y that the first computer was invented in the 20th century? A.They are believed B.It is believed C.It believes D.People are believed 2.It is believed the Internet has changed people's lives greatly. A.that B.what C.how D.why 二、用所给词的适当形式填空（考查从句时态、语态及主谓一致） 1.It is believed that this old temple (build)in the Ming Dynasty. 2.It is believed that regular exercise (keep)us healthy. 3.It is believed that the number of wild animals (increase)in recent years. 三、句型转换（考查结构改写） 1.People believe that mobile phones make communication easier.It is believed that...) 2.It is believed that he will come to the party tomorrow.(改为主动语态：People believe.) 四、完成句子（考查汉译英） 3 高中必修第一册北师大版 【核心句型专练】D版真题直击 1.人们认为这款新产品会很受欢迎 this new product will be very popular. 2.人们相信努力工作能带来成功。 It is believed that hard work success. 五、语篇填空（选自期末真题片段） It is believed that learning a foreign language (open)up new opportunities.Many students think that practicing every day (help)improve their skills.It is also believed that confidence (play)an important role in language learning. 参考答案 一、单项选择 1.B2.A 二、用所给词的适当形式填空 1.was built 2.keeps 3.has increased 三、句型转换 1.It is believed that mobile phones make communication easier. 2.People believe that he will come to the party tomorrow. 四、完成句子 1.It is believed that 2.will bring 五、语篇填空 1.opens 2.helps 3.plays