Unit 5 VR and Our Life2-2025-2026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 【语法专版】 Unit5核心语法解析 语法精讲 【专题】Unit5 VR and Our Life 非谓语动词与情态动词专项突破 考频分析 重庆大学版选择性必修第三册中，Unit5 VR and Our Life相关语法是重点语法模块，考频占语法总 量的15%左右，贯穿试卷核心题型：阅读理解(1-2题)、七选五(1-2题)、语法填空(2-3题)、书 面表达（应用考察，影响内容丰富性与表达准确性）。在信息匹配和情境描述类题目中，VR相关词 汇的运用及句式结构往往是解题关键。 考查内容 ·非谓语动词综合运用：考频占语法总量的15%左右，贯穿试卷多个核心题型：单项选择1-2题、完 形填空2-3题、语法填空23题、书面表达核心考察，直接影响句子表达的丰富性与逻辑性。在语 境理解类题目中，非谓语动词的形式选择、逻辑主语及句法功能往往是解题关键。 知识点一：非谓语动词三大维度 1.形式与句法功能：不定式(todo)、动名词(doing)、分词（现在分词doing过去分词done)在句中 作主语、宾语、定语、状语、宾语补足语的用法辨析 2.固定搭配与语义辨析：接不定式与动名词作宾语的动词/短语（如want to do,enjoy doing)、分词作 状语的主动/被动关系（如surprising/surprised)、不定式与分词作定语的时间关系（如the book to read/the book written by...) 3.语境应用与逻辑关系：结合上下文判断非谓语动词与逻辑主语的主谓/动宾关系，以及非谓语动词 所表示的动作与谓语动词动作的时间先后或伴随关系 知识点二：非谓语动词形式详解 1.动词不定式(to+动词原形，表目的、将来、结果等) 1.基本结构：to+动词原形（否定式：not to+动词原形） 2.功能及例句： 高中选择性必修第三册重庆大学版 【语法专版】 Unit5核心语法解析 。作主语（常用t作形式主语） To learn VR technology is important. It is necessary to master basic computer skills. ●作宾语（接在want,hope,decide等动词后） Many students want to experience VR games. He decided to study VR design in college. ·作目的状语（表“为了…”) We wear special glasses to see 3D images. Scientists work hard to improve VR technology 2.动名词（动词ing形式，表动作或状态） 1.基本结构：动词-ing形式（否定式：not+动词-ing) 2.功能及例句： ·作主语（表示习惯性、经常性动作） Playing VR games for a long time is bad for eyes. Learning about VR applications is interesting 。作宾语（接在enjoy,finish,practice等动词后） She enjoys exploring virtual worlds. They finished developing the VR program last month 。作介词宾语（常见介词：in,on,by,with,without) We can communicate by using VR devices. He succeeded in creating a realistic VR scene. 3.分词（现在分词-ing过去分词-ed) 1.现在分词（主动、进行)： ·作定语（修饰名词，表主动或正在进行的动作) The exciting VR experience attracted many visitors. The scientist developing VR headsets is from China. ·作状语（表伴随或结果） People stood in line,waiting to try the new VR product. The VR system crashed,causing inconvenience to users. 2.过去分词（被动、完成)： ·作定语（修饰名词，表被动或己完成的动作） The improved VR technology was released last year. The students interested in VR attended the lecture. 高中选择性必修第三册重庆大学版 【语法专版】Unit5核心语法解析 。作表语（说明主语的状态） The VR scene looks realistic. I am surprised by the development of VR. 知识点三：情态动词 1.基础含义及用法： 。can(能/会/可以)→I can speak English and Chinese.. 。may(可以/何能)→May I borrow your pen? 。must(必须/一定)→You must finish your homework first. 。should(应该)→We should help each other.. 。will(将要/会)→I will go to the park tomorrow. ·would(将要I愿意)→Would you like some coffee? ·need(需要)→You needn't come so early. 。had better(最好)一You had better go to bed early. 2.否定形式： ●can't(不能/不可能)→He can't swim across the river. 。nustn't(禁止)→You mustn't park here. 。needn't(不必)→You needn't buy me a present, 。shouldn't(不应该)→You shouldr't eat too much junk food. 3.疑问句及回答： ●Can.?→肯定：Yes,.cam.否定：No,..can't. -Can you ride a bike?-Yes,I can. 。Must?→肯定：Yes,must.否定：No,.needn't. -Must I finish it today?-No,you needn't. 。May.?→肯定：Yes,nay.否定：No,can't. -May I open the window?-Yes,you may. 考法精析 考法一：非谓语动词的时态与语态变化 1.不定式的时态与语态： 。一般式(todo/to be done):表示动作与谓语动作同时或之后发生 高中选择性必修第三册重庆大学版 【语法专版】 Unit5核心语法解析 →主动：She hopes to meet you tomorrow. →被动：The work is to be finished by Friday. 。进行式(to be doing):表示动作与谓语动作同时进行 -He seems to be reading in the library. ·完成式(to have done/to have been done):表示动作在谓语动作之前完成 一主动：I'm sorry to have kept you waiting. →被动：The project is reported to have been completed. 2.动名词的时态与语态： 。一般式(doing/being done):表示动作与谓语动作同时或之前发生 →主动：She admitted stealing the money. →被动：He dislikes being interrupted, ·完成式(having done/having been done):表示动作在谓语动作之前完成 →主动：Having finished the task,he left the office. →被动：Having been told the news,she cried. 考法二：非谓语动词作定语辨析 核心：根据被修饰词与非谓语动词的逻辑关系及动作时间，区分不定式、现在分词和过去分词作定 语的用法 真题1（语法填空）： The students_(attend)the meeting tomorrow are from Grade 10. 答案：to attend解析：由时间标志词“tomorrow”可知，attend是将来动作，不定式作定语表将来。 真题2（完形填空）： Look!The girl(sing)on the stage is my best friend. A.sing B.singing C.sung D.to sing 答案：B解析：由“Look!”可知动作正在进行，gil与sing是主动关系，现在分词作定语表主动 进行。 考法三：非谓语动词综合辨析 核心：结合形式句法功能、固定搭配及逻辑关系，判断非谓语动词与逻辑主语的关系及动作时间先 后 真题1（单项选择)： -the VR technology,scientists have made great progress in recent years. A.Developing B.Developed C.To develop D.Develop 答案：A解析：句中develop'”与逻辑主语”scientists”是主动关系，且”开发VR技术”是伴随主 句动作”取得进步”的持续动作，用现在分词作状语表主动进行。 真题2（语法填空)： We are looking forward to_(experience)the new VR game at the exhibition. 4 高中选择性必修第三册重庆大学版 【语法专版】 Unit5核心语法解析 答案：experiencing解析：固定搭配look forward to'”中"to”为介词，后接动名词作宾语。 解题小妙招 非谓语解题妙招 非谓作定看时间，将来用o主动现： 被动完成用过去，现在分词表进行。 作状先判主被动，主动现分被动过： 先后关系看时态，先于谓动用完成： 目的状语不定式，todo结构要牢记： 固定搭配需注意，doing形式常跟及。 真题演练 演练一：单项选择 1.-the project on time,the team worked day and night. A.Finishing B.To finish C.Finished D.Having finished 答案：B 2.The girlunder the tree is my best friend. A.read B.reading C.to read D.reads 答案：B 演练二：语法填空 1.The students_(attend)the meeting tomorrow are from Grade 10. 2.She enjoys_(listen)to music in her free time. 答案区 演练-：1B2.B 演练二：1.to attend2..listening 5