Unit 5主语从句-2025-2026学年高中英语选修一语法考点精讲（人教版）

高中人教版 【选修1】Unit5主语从句 语法精讲 主语从句 Unit5考点全解析 考点精讲 考点一：that引导的主语从句 规则：结构：That+完整陈述句+谓语/系动词(hat无意义，不可省略) 1:That she passed the exam surprised everyone. 真题：he will come to the party is uncertain..【2022XX省高二期末】 A.IfB.That C.Whether D.What(答案：B) 例题2：真题：the earth goes around the sun is a fact..【2021XX市高一联考】 A.What B.That C.Which D.Who(答案：B) 考点二：whether/if引导的主语从句 规则：结构：Whether/If+疑问句（表”是否”，whether可用于句首和介词后，f不可） 1:Whether she will attend the meeting depends on her schedule. 真题：_we can solve the problem remains to be seen.【2023新高考模拟卷】 A.fB.What C.Whether D.That(答案：C) 例题2：真题：It is unknown_the concert will be held next week.【2022XX市高三一模】 A.ifB.that C.whether D.which(答案：C) 考点三：连接代词(what/who/which/.whose)引导的主语从句 规则：结构：连接代词在从句中作主语、宾语、表语或定语，本身有意义 例题l:What he said at the meeting made us confused..(what作said的宾语) 真题：_won the first prize in the competition hasn't been announced yet..【2023XX省高考真题】 A.WhoB.Whom C.What D.Which(答案：A) 例题2：真题：_team will win the match is still a mystery.【2021XX市高三期末】 A.Which B.What C.That D.Whether(答案：A) 考点四：连接副词(when/where/why/how)引导的主语从句 高中人教版 【选修1】 Unit5主语从句 规则：结构：连接副词在从句中作状语，表时间、地点、原因、方式 1:How the accident happened is still under investigation. 真题：we will hold the sports meeting hasn't been decided yet..【2022全国乙卷模拟】 A.henB.That C.What D.If(答案：A) 例题2：真题：he succeeded in the experiment is obvious to everyone.【2023XX市高三二模】 A.WhyB.What C.That D.Which(答案：A) 考点五：t作形式主语的主语从句 规则：结构：It+be+形容词/名词/过去分词+that/whether引导的主语从句（真正主语后置） 常见搭配：It is clear/important/necessary that.;It is a fact/a pity that.;It is said/reported that. 例题1：It is important that we should learn English well. 真题：It is reported_the number of wild tigers is increasing.【2023新高考I卷】 A.which B.what C.that D.if(答案：C) 例题2：真题：It isnecessary_we should take measures to protect the environment.【2022XX省 联考】 A.that B.what C.whether D.how (答案：A) 考点六：主语从句的语序（陈述语序） 规则：结构：连接词+主语+谓语+其他（不可用疑问语序） 例题l:When he will arrive is not clear.（正确)/When will he arrive is not clear..(错误) 真题：the meeting will begin is not known yet.【2021XX市高一期末】 A.When will B.When C.What D.How will(答案：B) 例题2：真题：_she solved the problem surprised all of us.【2022XX市高二质检】 A.How did B.HowC.What did D.What(答案：B) 考点综合训练 一、单项选择 1.the Smiths will move to Paris is still unknown. A.If B.That C.Whether D.What 2.caused the fire in the factory remains a mystery. A.How B.What C.That D.Where 3.It is necessary_we should learn to manage our time wisely. A.that B.what C.if D.whether 高中人教版 【选修1】 Unit5主语从句 4.he solved the math problem in 5 minutes surprised his teacher. A.How did B.How C.What D.What did 5.team will win the championship depends on their performance in the final. A.Which B.What C.That D.If 二、完成句子 1.他什么时候回来还没决定。 hasn't been decided yet. 2.我们需要的是互相理解和支持。 is mutual understanding and support. 3.是否要参加这个项目由你自己决定。 _the project is up to you. 4.据说这款新产品下周将上市。 the new product will be launched next week. 5.她为什么拒绝这个提议仍然不清楚。 the offer is still unclear. 三、短文改错 1.That we will have a test tomorrow are true 2.Whether she will come or not depend on the weather. 3.It is reported what the temperature will drop sharply tonight. 4.When will the meeting start hasn't been announced yet. 5.What he said at the meeting were very encouraging 四、语法填空 -we can reduce air pollution has become a hot topic.Some experts suggestplanting more trees is an effective way._the government will take stricter measures remains to be seen.It is certain_everyone should play a part in protecting the environment.we start now,we can make a difference. 参考答案 3 高中人教版 【选修1】 Unit5主语从句 一、单项选择 1.C2.B3.A4.B5.A 二、完成句子 1.When he will come back 2.What we need 3.Whether to join 4.It is said that 5.Why she refused 三、短文改错 1.are→is 2.depend→depends 3.what→that 4.will the meeting start-the meeting will start 5.were→was 四、语法填空 How that Whether that If