Unit 2名词性从句-2025-2026学年高中英语选修二语法考点精讲（人教版）

高中选修2人教版 【寒假专版】B版考点精讲 寒假专版 名词性从句 语法专项突破 考点精讲 考点一：主语从句的连接词选用 规则：结构：陈述句作主语从句用hat引导(that无意义但不可省略)：特殊疑问句作主语从句 用连接代词(what/who/which/whose)或连接副词(when/where/why/how)引导；一般疑问句作主 语从句用whether引导（不可用f) 例题l:真题：一we will go0 for a picnic tomorrow depends on the weather.【2023X市高二期 末】 A.IfB.Whether C.That D.What(答案：B) 例题2：真题：一caused the accident is still under investigation..【2022X省高中联考】 A.What B.That C.How D.Where (答案：A) 考点二：宾语从句的时态呼应 规则：结构：主句为现在时（一般现在时现在进行时现在完成时），从句可根据实际情况用任意 时态；主句为过去时（一般过去时/过去进行时），从句用过去的相应时态（一般过去时过去进行 时/过去完成时/过去将来时)：从句表示客观真理时用一般现在时 例题1：真题：He told me that he一to Beijing the next week.【202lX市高三一模】 A.will go B.would go C.has gone D.goes(答案：B) 例题2：真题：Our teacher always tells us that practice一perfect..【2023新高考Ⅱ卷模拟】 A.makes B.made C.will make D.would make (答案：A) 考点三：表语从句的连接词及虚拟语气 规则：结构：常用连接词有that(无意义，可省略)、what、when、where、why、how、whether: 当主句主语为suggestion/advice/order/request等名词时，表语从句用(should)+动词原形 例题l:真题：The reason for his absence was._he was ill.【2022X省高考真题】 A.because B.that C.whyD.what(答案：B) 例题2：真题：Our advice is that the work_at once.【2023X市高三质检】 A.started B.starts C.should start D.be started（答案：D) 高中选修2人教版 【寒假专版】 B版考点精讲 考点四：同位语从句的引导词及与定语从句的区别 规则：结构：常跟在fact/news/idea/suggestion/tuth等名词后，用that引导(that无意义，不可省 略，不充当句子成分)；定语从句用that/which引导（充当句子成分，作主语/宾语/表语） 例题1：真题：We heard the news一our team had won the championship.【2022全国乙卷模拟】 A.which B.that C.what D.how（答案：B) 例题2：真题：I have no idea一she will come back.【2021X省高三期末】 A.when B.which C.that D.whose(答案：A) 考点五：名词性从句中的语序 规则：结构：所有名词性从句均用陈述语序（主语在前，谓语在后），即“连接词+主语+谓语” 例题l:真题：Could you please tell me_the nearest post office is?【2023XX市高三联考】 A.what B.howC.where D.when(答案：C) 例题2：真题：No one knows.一the meeting will be held tomorrow..【2022XX省高亡质检】 A.when B.when will C.if will D.that will（答案：A) 考点六：t作形式主语/形式宾语的用法 规则：结构：1.it作形式主语，代替主语从句，常见句式：It+be+adj.m.w.-ed+that从句（主语 从句)：2.it作形式宾语，代替宾语从句，常见结构：主语+谓语+it+adj.m.+that从句（宾语从 句) 例题1：真题：一is known to all that the earth is round.【2021全国甲卷】 A.AsB.What C.That D.t(答案：D) 例题2：真题：He made.一clear that he would not change his mind.【2023XX市高三二模】 A.this B.that C.it D.what (答案：C) 考点综合训练 一、单项选择 1.he will come to the party or not is still unknown. A.If B.Whether C.That D.What 2.She asked me-I had seen her keys. A.that B.what C.if D.which 3.The problem is_we can get enough money for the project. A.that B.how C.whether D.what 4.I have no doubt_he will pass the exam. 2 高中选修2人教版 【寒假专版】B版考点精讲 A.whether B.if C.that D.what 5.He found difficult he would finish the work on time. A.it;that B.it;whether C.that;if D.this;that 6.-the meeting will be held hasn't been decided yet. A.If B.Whether C.That D.What 7.She asked me_I could help her with her homework. A.that B.what C.if D.which 8.The fact is-he has never told a lie A.why B.that C.what D.whether 9.I have no idea_the plane will arrive A.when B.that C.how long D.which 10.It is important_we should learn from each other. A.which B.what C.that D.if 二、完成句子 1.他说他已经完成了作业。 He said that hehis homework 2.我们是否去野餐取决于天气。 -we will go for a picnic depends on the weather. 3.我的建议是我们应该马上出发。 My suggestion is that we__at once. 4.她问我明天是否会去看她。 She asked me_I_go to see her tomorrow. 5.众所周知，努力工作导致成功。 hard work leads to success. 6.他不知道谁偷了他的钱包。 He doesn't know_his wallet 7.我们是否参加聚会取决于时间。 -we will attend the party depends on time. 8.老师建议我们每天练习英语口语。 The teacher suggested that we__spoken English every day. 3 高中选修2人教版 【寒假专版】B版考点精讲 9.问题是我们如何在天黑前到达那里。 The problem is there before dark. 10.众所周知，知识就是力量。 knowledge is power. 三、短文改错 1.I wonder that she will come to the party tomorrow. 2.The reason why he was late was because he missed the bus. 3.It is necessary what we should finish the work on time. 4.My suggestion is that we will start early tomorrow morning. 5.No one knows when will the meeting begin 四、语法填空 It is known to all-learning English well is important.However,many students have trouble in learning it.Some wonder-they can improve their pronunciation.Others ask-they should read English novels.Teachers often suggest-students(should practice every day.-is helpful that we keep a diary in English.What's more,we should remember_confidence is the key to success. 参考答案 一、单项选择 1.B2.C3.B4.C5.B6.B7.C8.B9.A10.C 二、完成句子 1.had finished 2.Whether 3.should start 4.if/whether;would 5.It is known that 6.who stole 7.Whether 8.(should)practice 9.how we can get 10.It isknown that 三、短文改错 1.that→if/whether2.because→that3.what→that 4.will→should(或删除wil)5.will the meeting→the meeting will 4 高中选修2人教版 【寒假专版】B版考点精讲 四、语法填空 1.that 2.how 3.whether 4.that 5.It 6.that 5