Unit 6 AI and Our Future1-2025-2026学年高中英语选修三语法知识点全解（重大版）

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】Unit6 AI and Our Future 语法专项突破 考频分析 重庆大学版选择性必修第三册中，Unit6 AI and Our Future相关语法是本单元重点语法模块，考频 占该单元语法总量的15%左右，主要分布在阅读理解(1-2题)、语法填空(2-3题)、书面表达（结 合AI主题进行应用，影响内容逻辑性与表达丰富性)。在语境应用类题目中，与AI主题相关的词 汇辨析、复杂句式结构及上下文连贯表达往往是解题关键。 考查内容 。主谓一致（特殊句式）：考频占语法总量的5%左右，主要分布在试卷的核心题型：单项选择1题、 语法填空1题。在语境理解类题目中，特殊句式中的主谓一致关系往往是解题关键。 知识点一：主谓一致（特殊句式） 高中英语对主谓一致（特殊句式）的考察聚焦三大维度 1.特殊主语一致： 。集合名词（如family,team) 。不定代词（如none,all) 。数量短语（如a number of,.the number of)作主语时的主谓一致规则 2.句式结构一致： 。here be句型、倒装句、强调句中主语与谓语的搭配原则 ·插入语对主谓一致的影响 3.语义一致原则： 。以s结尾的学科名词（如physics,news) 。时间/距离/金钱等复数形式表单数概念时的主谓一致用法 1 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 知识点二：情态动词及其被动语态 1.can/could（能力、许可、可能性) 1.时间标志词： 。表示现在能力(can)、过去能力(could) ·表示许可可能性（无固定时间词，根据语境判断） 2.主动语态： 。结构：主语+can/could+动词原形 。例句： 1.I can speak English fluently.(现在能力，can+原形speak) 2.She could swim when she was five..(过去能力，could+原形swim) 3.被动语态： ·结构：主语+can/could be+动词过去分词 。例句： 1.This problem can be solved by him.(can be+solve的过去分词solved) 2.The work could be finished yesterday..(could be+finish的过去分词finished) 2.may/might(许可、可能性) 1.时间标志词： ·表示现在/将来许可(may)、过去许可/较小可能性(might) 2.主动语态： ·结构：主语+may/might+动词原形 。例句： 1.You may leave now.(现在许可，may+原形leave) 2.It might rain tomorrow.(将来可能性，night+-原形rain) 3.被动语态： ·结构：主语+may/might be+动词过去分词 ·例句： 1.The book may be borrowed from the library..(may be+borrow的过去分词borrowed) 2.This task might be completed next week.(might be+complete的过去分词completed) 3.must/have to(必须、义务) 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.时间标志词： ·ust表示主观必须（无时态变化） 。have to表示客观需要（现在have to,过去had to) 2.主动语态： ●结构：主语+must+动词原形/主语+have/has/had to+动词原形 。例句： 1.You must follow the rules..(主观必须，must+原形follow) 2.We had to work late yesterday.(过去客观需要，had to+原形work) 3.被动语态： 。结构：主语+must be+动词过去分词/主语+have/has/had to be+动词过去分词 。例句： 1.The rules must be followed by everyone.(must be+-follow的过去分词followed) 2.This project has to be finished today.(has to be+finish的过去分词finished) 4.should/ought to(建议、责任) 1.时间标志词： ·无固定时间词，多表示现在/将来的建议或责任 2.主动语态 ·结构：主语+should/ought to+动词原形 ·例句： l.You should study hard for the exam.(建议，should+原形study) 2.We ought to help each other.(责任，ought to+-原形help) 3.被动语态： ·结构：主语+should/ought to be+动词过去分词 ·例句： l.More attention should be paid to safety.(should be+pay的过去分词paid) 2.Children ought to be protected well.(ought to be+-protect的过去分词protected) 5.wil/would(意愿、习惯) 1.时间标志词： ·will表示现在意愿/将来习惯 ·would表示过去意愿/过去习惯 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 2.主动语态： ·结构：主语+will/would+动词原形 。例句： 1.I will help you with your English.(现在意愿，will+原形help) 2.He would take a walk after supper..(过去习惯，would+原形take) 3.被动语态： ·结构：主语+will/would be+动词过去分词 ·例句： l.Your question will be answered soon.(will be+-answer的过去分词answered) 2.Letters would be sent by post in the past.(would be+send的过去分词sent) 知识点三：非谓语动词 1.todo(不定式) 1.基础搭配拓展（中考必背）： ·forget to do(忘记要做)→例句：Don't forget to lock the door when you leave, ●remember to do(记得要做)一→例句：Remember to buy some milk on your way home.. 。stop to do(停下来去做)→例句：He stopped to talk to his friend in the street,. 。start to do(开始做)→例句：The baby starts to cry when he sees his mother leave. ·begin to do(开始做)→例句：It begins to rain heavily in the afternoon ·agree to do(同意做)一例句：She agrees to help me with my English. ●refuse to do(拒绝做)一→例句：He refuses to tell me the truth, ●promise to do(承诺做)一→例句：I promise to return the book next week. ●offer to do(主动提出做)→例句：They offer to carry the heavy box for me. 。seem to do(似乎做)→例句：She seems to know the answer 2.特殊结构搭配（中考易错）： 。ask sb.not to do(要求某人不要做)→例句：The teacher asks us not to be late. 。tell sb.not to do(告诉某人不要做)一例句：My father tells me not to play computer games too much. 。would like to do（想要做)→例句：I would like to drink a cup of tea. 2.doing(动名词/现在分词) 1.基础搭配拓展（中考必背)： 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 ·dislike doing(不喜欢做)→例句：She dislikes eating spicy food. ·miss doing(错过做)→例句：I missed watching the football match last night.. ·consider doing(考虑做)→例句：He is considering buying a new bike. ·suggest doing(建议做)→例句：The doctor suggests drinking more water: ·imagine doing（想象做)一→例句：Can you imagine living on the moon? ●allow doing（允许做)→例句：The school allows running in the playground ·forbid doing(禁止做)→例句：Smoking is forbidden in the hospital ·risk doing(冒险做)→例句：He risks climbing the high mountain alone. ·prefer doing(更喜欢做)一→例句：I prefer reading books to watching TV. ·practice doing(练习做)→例句：We practice writing Chinese characters every day. 2.固定短语搭配（中考常考)： ●be busy doing(忙于做)→例句：My mother is busy cooking dinner.. 。feel like doing(想要做)→例句：I feel like eating ice cream now. ·can't help doing(忍不住做)→例句：She can't help laughing when she hears the joke. 3.done(过去分词) 1.基础搭配拓展（中考必背）： ·get done(a被…)→例句：My bike got repaired yesterday. 。have sth.done(让某事被做)→例句：Ihave my hair cut every month. ·see sth.done(看见某事被做)→例句：I saw the window broken by the boy.. ·hear sth.done(听见某事被做)→例句：We heard the song sung in English 。make sth.done(使某事被做)→例句：He made his car washed. 。find sth.done(发现某事被做)→例句：She found her wallet stolen ·keep sth.done(使某事保持被做)一→例句：Keep the door closed. 。leave sth.done(让某事处于被做状态)→例句：He left the work unfinished. 。want sth..done(想要某事被做)→例句：I want my room cleaned, 。need sth.done(需要某事被做)→例句：The house needs painted, 2.固定短语搭配（中考常考)： 。be surprised at(对…感到惊讶)→例句：I was surprised at the news. 。be interested in(对…感兴趣)→例句：She is interested in collecting stamps. 。be excited about(对…感到兴奋)一→例句：We are excited about the coming holiday.. ·be worried about（对…感到担心)→例句：My parents are worried about my study. ●be pleased with(对…感到满意)一例句：The teacher is pleased with our performance. 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 考法精析 考法一：集体名词作主语的主谓一致辨析 核心：根据语境判断集体名词表示整体还是个体概念，确定谓语动词的单复数形式 真题1（语法填空)： The police_(search)for the missing child all day.They haven't found him yet. 答案：are searching 解析：police为集体名词，通常视为复数，根据语境“all day”及“haven't found”可知动作正在进 行，故用are searching。 真题2（单项选择)： The familyhaving dinner when the doorbell rang. A.is B.are C.was D.were 答案：D 解析：family强调家庭成员个体时视为复数，根据“when the doorbell rang”可知主句动作在过去某 个时间点正在进行，用过去进行时，复数主语搭配were。 考法三：非谓语动词、情态动词被动语态与主谓一致的综合应用 核心：结合语境判断非谓语动词形式，运用情态动词被动语态结构，并确保主谓一致规则的正确使 用 真题1（单项选择)： The team_to win the game by their coach,so practicing hard every day-necessary. A.is told is B.are told are C.is told are D.are told is 答案：D 解析：第一空主语“the team”指队员们，表复数概念，与“tel”构成被动关系，用“are told”:第 二空主语“practicing hard every day”为动名词短语作主语，视为单数，be动词用“is”。 真题2（语法填空)： It is important for us_(follow)the rules that_(must keep)by everyone in public. 答案：to follow must be kept 解析：第一空考查非谓语动词，“Itis+形容词+todo”结构中用不定式“to follow”;第二空“ules” 与“keep”是被动关系，情态动词被动语态结构为“must be+过去分词”，故填“must be kept”。 解题小妙招 主谓一致妙招 集体名词作主语，整体单数个体复：分数百分数作主语，关键看o后名词；不定代词作主语，大多 单数记清楚：并列主语近原则，neither nor需关注：非谓作主视为单，动名不定都可以。 6 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 非谓动词妙招 不定代词接宾语，to后原形要牢记：enjoy suggest后接宾，动名词形式莫忘记；分词作定看关系，主 动现分被动过：非谓作主表单数，主谓一致要清晰。 真题演练 演练一：单项选择 1.English songs wellgood for learning pronunciation,and three fifths of our class_interested in it. A.Singing is are B.To sing are is C.Singing are are D.To sing is is 答案：A 演练二：语法填空 1.-(complete)the project on time,the team leader suggested_(divide)the tasks among us.Neither the monitor nor the students_(be)against the idea,because everyone knew that_(finish)the work required cooperation 答案：To complete dividing were finishing 答案区 演练-：1.A 演练二：l.To complete dividing were finishing 7