Unit 1 Choice and Decision2-2025-2026学年高中英语选修三语法知识点全解(重大版)

2026-02-10
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高中选择性必修第三册重庆大学版 【寒假专版】 A版知识点全解 寒假专版 【专题】名词性从句综合 语法专项突破 考频分析 重庆大学版选择性必修第三册中,Unit 1 Choice and Decision是重点语法模块,考频占语法总量的 15%左右,贯穿试卷核心题型:单项选择(1-2题)、阅读理解(2-3题)、语法填空(1-2题)、书面 表达(核心考察,直接影响篇章逻辑与表达准确性)。在语境理解类题目中,该单元涉及的词汇辨 析、句式结构及逻辑连接往往是解题关键。 考查内容 。名词性从句综合是高中英语语法的重要模块,考频占语法总量的15%左右,主要分布在核心题型 中:阅读理解(长难句分析关键)、完形填空(1-2题)、语法填空(1-2题)、书面表达(复杂句式 构建核心)。在语法填空和书面表达中,连接词的选择、从句语序及时态一致性是考察重点。 知识点一:名词性从句综合 高中对名词性从句综合的考察聚焦三大维度 1.从句类型识别: ·主语从句、宾语从句、表语从句、同位语从句的特征与功能 2.连接词选用: 。that、if/whether、wh-类连接词(what,who,which,when,where,.why,how)的辨析与适用场景 3.语序与时态: ·陈述句语序在从句中的应用 。主句与从句时态的呼应规则 知识点二:非谓语动词 1.动词不定式(t0+动词原形,表目的、将来、未完成) 高中选择性必修第三册重庆大学版 【寒假专版】 A版知识点全解 1.基本用法 。作主语:To learn English well is important.. 。作宾语:She wants to buy a new book. 。作目的状语:He went to the library to read. 2.省略o的情况: 。感官动词(see,hear,watch等)后:I saw her dance. 。使役动词(make,let,have等)后:My mother made me clean the room. 3.常见固定搭配: 。want to do,decide to do,try to do,.plan to do,forget to do(忘记去做) 2.动名词(动词+ing,表主动、进行、抽象概念) 1.基本用法 。作主语:Swimming is good for health, ·作宾语:He enjoys listening to music. ●作定语:a reading room 2.常见固定搭配: enjoy doing,finish doing,practice doing,mind doing,keep doing,be good at doing 3.分词(现在分词doing/过去分词done) 1.现在分词(表主动、进行): 。作定语:a running boy ●作状语:She sat there,reading a newspaper. 2.过去分词(表被动、完成): 。作定语:a broken cup 。作状语:Seen from the top,the city looks beautiful. 3.区别: ·现在分词与逻辑主语是主动关系:The rising sun is beautiful. 。过去分词与逻辑主语是被动关系:The risen sun is warm. 考法精析 考法一:名词性从句的时态与语气规则 2 高中选择性必修第三册重庆大学版 【寒假专版】 A版知识点全解 1.时态一致原则 1.主句为现在/将来时,从句可根据实际情况使用任意时态 例句: -She says(that)she will visit Paris next month -I wonder what he did yesterday. 2.主句为过去时,从句通常用过去相关时态 例句: -He told me that he was watching TV at 8 p.m. -They didn't know if she had finished the work 3.客观真理/事实不受主句时态影响,仍用一般现在时 例句: -The teacher said that the earth goes around the sun. 2.虚拟语气的使用场景 1.表达建议、命令、要求等意义的名词性从句 结构:should+动词原形(should可省略) 例句: -The doctor's suggestion is that he(should)rest for a week. -We insisted that she (should)attend the meeting. 2.wish后的宾语从句 对现在的虚拟:过去时(be动词用were) 例句:I wish I were as tall as you 对过去的虚拟:had+过去分词 例句:She wishes she had studied harder last term. 对将来的虚拟:would/could+动词原形 例句:We wish the rain would stop tomorrow. 3.否定前移的补充规则 1.仅适用于主句主语为第一人称(I/we)的情况 例句:Idon't think he is right. 2.主句谓语为think/believe/suppose/expect等心理活动动词 反例:Idon't know if he will come. 3.反意疑问句的附加疑问部分需与从句一致 例句:We don't believe she can swim,can she? 4.形式主语/宾语的高级句型拓展 3 高中选择性必修第三册重庆大学版 【寒假专版】 A版知识点全解 1.It+be+过去分词+that从句 例句:It is reported that the population is increasing 2.动词+it+形容词+for/of sb.+todo 例句:I find it easy for him to solve the problem. She thinks it kind of you to help her. 考法二:连接词that与what的辨析 核心:根据连接词在从句中是否充当成分及是否有实际意义,区分that和what的用法 真题1(语法填空): -he will come tomorrow is certain. 答案:That 解析:从句he will come tomorrow”结构完整,不缺成分,且无实际意义,需用hat引导主语从句, that在从句中不充当成分。 真题2(单项选择): She always thinks ofshe can do more for others. A that B what C if D whether 答案:B 解析:从句中缺少do的宾语,需用what引导宾语从句,what在从句中作宾语,表示”.的事情”; that不充当成分,if/whether表示”是否”,均不符合语境。 考法三:名词性从句与非谓语动词的综合应用 核心:辨别名词性从句中连接词的选用规则,结合非谓语动词作主语、宾语或状语的用法,掌握从 句与主句的时态呼应及语序要求 真题1(单项选择): -he will attend the meeting tomorrow depends on-the project can be finished on time. A.If;whether B.Whether;if C.Whether;whether D.If;if 答案:C 解析:第一空引导主语从句表示“是否”,只能用whether::第二空作介词on的宾语,同样需用 whether,.if不可用于介词后或引导主语从句。 真题2(语法填空): It is important_(remember)that_you said just now needs_(check)carefully. 答案:to remember what checking 解析:句中it为形式主语,真正主语是不定式短语to remember:第二空引导主语从句并在从句中 作宾语,用what:第三空need后接动名词表被动含义,即needs checking=needs to be checked.。 4 高中选择性必修第三册重庆大学版 【寒假专版】 A版知识点全解 解题小妙招 连接词选看成分,不缺成分用that:缺主宾表用wat,是否含义whether佳:if不可引主从,介词 之后也不用。 语序规则要记牢,陈述语序不含糊:疑问词后接主谓,倒装结构需排除。 时态语气综合看,主句时态引从句;主过从过要一致,客观真理用现一;suggest等表建议,宾从虚 拟should加动原;It is necessary that句型,that不可省。 真题演练 演练一:单项选择 1.the meeting will be held next week is still unknown.All depends on-the project can be completed on time A.If;whether B.That;if C.Whether;whether D.What;that 答案:C 2.The teacher suggested that we-(attend)the lecture on environmental protection.It is necessary-we should learn more about sustainable development. 答案:(should)attend;that 答案区 演练-:1.C2.(should)attend,that 5

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Unit 1 Choice and Decision2-2025-2026学年高中英语选修三语法知识点全解(重大版)
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Unit 1 Choice and Decision2-2025-2026学年高中英语选修三语法知识点全解(重大版)
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