句型全解02-2025-2026学年高中英语必修一句型全解（外研版）

高中必修第一册外研版 【寒假专版】A版句型全解 寒假专版 【A版句型全解】It is estimated that.. 高中·外研版·必修第一册 基本结构 句型结构：Itis+过去分词+hat从句 I北为形式主语，真正主语是后置的tht从句，该结构常用于表示”据”人们”等含 义，常用的过去分词有estimated,reported,believed,said等。 例句展示： It is estimated that the number of online shoppers will reach 800 million by 2026. It is reported that a new bridge will be built over the river next year. 句型精讲（核心考法） 考法1：从句时态与语态的运用 判断规则+例句对比 规则1：主句It is estimated that.表达客观估计时，从句常用一般现在时（描述普遍事实） 或现在完成时（强调已完成的动作对现在的影响） 例句l:It is estimated that the number of online shoppers in China reaches800 million.(一般现 在时，描述当前数据) 例句2：It is estimated that more than500 species have disappeared in the past century.(现在完成时，强 调过去到现在的结果) 规则2：若从句主语是动作承受者，需用被动语态 例句：It is estimated that this ancient temple was built over2,O00 years ago.(被动语态，temple 是build的承受者) 真题再现(2024外研版必修第一册单元检测) 高中必修第一册外研版 【寒假专版】A版句型全解 It is estimated that the project by the end of next year. A.completes B.will complete C.will be completed D.has completed 答案：C 解析：project与complete是被动关系，”by the end of next year”"提示用将来时，故选将来被 动语态will be completed 考法2：同义句型转换（主动语态改写） 转换规则+例句转换 规则：将形式主语It去掉，用People/Scientists/Experts等作主语，后接estimate that.或esti- mate sth.tobe..结构 例句I:原句It is estimated that there are over 1.5 billion English learners worldwide. 同义句：People estimate that there are over 1.5 billion English learners worldwide. 例句2：原句It is estimated that the population of this city is around5 million. 同义句：Experts estimate the population of this city to be around5 million. 真题再现(2023外研版必修第一册同步练习) It is estimated that the new bridge will cost 100 million yuan.(改为同义句) Scientists that the new bridge will cost 100 million yuan. 答案：estimate 考法3：对从句内容的细节提问 提问规则+例句提问 规则1：对数量提问→用How many/much+名词+is it estimated that.? 例句：原句It is estimated that there are200,000 books in the library. 间句：How many books is it estimated that there are in the library? 规则2：对时间/地点/原因提问→用When/Where/.Why+is it estimated that..? 2 高中必修第一册外研版 【寒假专版】A版句型全解 例句：原句It is estimated that the meeting will be held next Friday, 间句：When is it estimated that the meeting will be held? 真题再现(2024外研版必修第一册期中测试) It is estimated that the temperature will drop to-5 C tomorrow.(对划线部分提间) is it estimated that the temperature will drop to tomorrow? 答案：How low 句型综合训练 训练1：单项选择（考察从句时态与语态） 1.It is estimated that the Earth around the Sun. A.moves B.moved C.will move D.is moving 2.It is estimated that this storybook by many children last year. A.reads B.is read C.was read D.will read 3.It is estimated that the new park in 2025. A.completes B.will complete C.will be completed D.has completed 4.It is estimated that over 1000 trees in the city since 2020. A.plant B.planted C.have planted D.have been planted 5.It is estimated that the population of our town 50,000now. A.is 高中必修第一册外研版 【寒假专版】A版句型全解 B.was C.will be D.has been 训练2：同义句转换（考察主动语态改写） 1.It is estimated that there are 300 students in this school. →People that there are 300 students in this school. 2.It is estimated that the river is 500 meters long. →Scientists the river to be 500 meters long. 3.It is estimated that the meeting will start at 3 p.m. →Experts that the meeting will start at 3 p.m. 4.It is estimated that the mountain is 2000 meters high. →People the mountain to be 2000 meters high 5.It is estimated that the project will take 3 months. →Scientists that the project will take 3 months. 训练3：完成句子（考察细节提问） 1.据估计，图书馆里有5000本书。（对划线部分提问） books is it estimated that there are in the library? 2.据估计，运动会将在下周五举行。（对划线部分提问） is it estimated that the sports meeting will be held? 3.据估计，这台电脑花了他5000元。（对划线部分提问） → is it estimated that the computer cost him? 4.据估计，这个村子有200户人家。（对划线部分提问） families is it estimated that there are in the village? 5.据估计，他们将在上海待两周。（对划线部分提问） is it estimated that they will stay in Shanghai? 训练4：写作高级句式（考察句型翻译与运用） 1.据估计，中国有超过10亿互联网用户。 →It is estimated over 1 billion Internet users in China. 4 高中必修第一册外研版 【寒假专版】 A版句型全解 2.据估计，这座桥将在明年完工。 →It is estimated the bridge completed next year. 3.据估计，这个城市的人口约为200万。 -Experts estimate the population of the city around 2 million. 4.据估计，超过50%的学生每天锻炼。 →It is estimated more than 50%of students every day. 参考答案 I.训练1：单项选择 1.A2.C3.C4.D5.A Ⅱ.训练2：同义句转换 1.estimate 2.estimate 3.estimate 4.estimate 5.estimate II.训练3：完成句子 1.How many 2.When 3.How much 4.How many 5.How long V.训练4：写作高级句式 1.that there are 2.that will be 3.to be 4.that exercise 5