核心时态与语态 完成时态系统讲解-2025-2026学年高考复习高中英语语法知识点全解（沪外版）

高中沪外版 核心时态与语态完成时态系统讲解 语法专版 【专题】完成时态系统讲解 高中英语语法全解 考频分析 沪外版高中核心时态与语态中，完成时态系统讲解是重点语法模块，考频占时态语态总量的30%左 右，贯穿试卷所有核心题型：单项选择2-3题、完形填空2-3题、语法填空1-2题、书面表达核心 考察，直接影响句子时态逻辑与语境准确性。在语境理解类题目中，完成时态的时间标志词、动作 先后关系及语态结合往往是解题关键。 考查内容 。时态构成与标志词：现在完成时(have/has+过去分词)、过去完成时(had+过去分词)、将来完成 时(will have+过去分词)的基本结构，以及与for/since、already/yet、by+过去/将来时间等标志词 的搭配 。语境语义辨析：“已完成”与“未完成”用法（如He has lived here for 10 years.vs.He lived here for l0 years..),过去完成时表“过去的过去”（如When I arrived,the party had ended.),现在完成时与一 般过去时的语境差异 。特殊句型与固定搭配：含sice引导时间状语从句的主从复合句（主句用现在完成时，从句用一般 过去时)，“It is the first time+现在完成时”句型，瞬间动词与延续性动词在完成时态中的转换（如 buy→have,die→be dead) 知识点一：完成时态的构成及用法 1.现在完成时（强调过去动作对现在的影响或持续到现在的状态） 1.基本结构：主语+have/has+过去分词(V-ed) 。肯定句：I have lived here for five years.(我在这里住了五年了。) ·否定句：She hasn't finished her homework yet.(她还没完成作业。) ·疑问句：Have you ever been to Beijing?(你去过北京吗？) 2.时间标志词：already(已经)、yet(还)、just(刚刚)、since(自从)、for(持续…时间)、recently (最近) 高中沪外版 核心时态与语态完成时态系统讲解 2.过去完成时（表示过去某一时间前已完成的动作，强调“过去的过去”） 1.基本结构：主语+had+过去分词(V-ed) 。例句：When I arrived at the station,.the train had already left.(我到达车站时，火车已经开走了。) 2.时间标志词：by the time(到…时候为止)、before(在…之前)、when(当…时候) 3.现在完成进行时（强调动作从过去持续到现在并可能继续下去） 1.基本结构：主语+have/has+been+现在分词(V-ing) ●例句：It has been raining for three hours.(雨已经下了三个小时了。) 2.用法区别：现在完成时强调结果，现在完成进行时强调动作的持续性。如：He has written five letters. (他写了五封信。)/He has been writing letters all morning.(他整个上午都在写信。) 知识点二：完成时态系统讲解 1.现在完成时（过去动作对现在的影响/动作持续到现在) 1.时间标志词：already(已经，肯定句)、yet(还，否定句/疑问句)、for+时间段（如for3 years)、 since+时间点（如since2020)、so far(到目前为止） 2.主动语态： ·结构：主语+have/has+动词过去分词（主语单数/三单用has,复数/第一人称用have) ·例句： l.I have finished my homework already.(第一人称，用have+finished) 2.He has lived here for5 years..(三单主语，用has+-lived) 3.被动语态： 。结构：主语+have/has been+动词过去分词 。例句： l.My homework has been finished by me already.(主语不可数，用has been+-finished) 2.This house has been lived in by him for5 years.(主语单数，用has been+--lived:live是不及物 动词，需加in) 2.过去完成时（过去某个动作之前发生的动作，“过去的过去”) 1.时间标志词：by+过去时间点（如by20l9、by last Friday)、before+过去时句子（如before he left)、 when+一般过去时句子（如When I arrived) 2.主动语态： 2 高中沪外版 核心时态与语态完成时态系统讲解 。结构：主语+had+动词过去分词（无单复数变化，统一用had) 。例句： 1.He had finished his work by 5 p.m.yesterday.(had+finished) 2.They had left before I arrived.(had+left;arrived是一般过去时，“离开”在“到达”之前) 3.被动语态： ·结构：主语+had been+动词过去分词 。例句： 1.His work had been finished by him by 5 p.m.yesterday.(had been+finished) 2.The room had been cleaned by them before I arrived.(had been+cleaned) 3.现在完成进行时（动作从过去开始，持续到现在，仍在进行） 1.时间标志词：since+时间点（如since last year)、for+时间段（如for2 hours)、all day(一整天） 2.主动语态： ·结构：主语+have/has been+动词现在分词(doing)(主语单数/三单用has,复数/第一人称用 have) ●例句： 1.I have been studying English for3 hours.(第一人称，用have been+-studying) 2.She has been waiting for you since9o'clock.（三单主语，用has been+-waiting) 3.被动语态（高中阶段较少涉及，了解基本结构即可）： ●结构：主语+have/has been being+动词过去分词 ·例句：The project has been being worked on by the team for a month..(has been being+worked) 知识点三：完成时态 1.现在完成时 1.基础用法拓展（中考必背）： 。表示过去发生并持续到现在的动作→例句：I have lived in Beijing for 10 years. ·表示过去发生对现在有影响的动作一例句：She has finished her homework,so she can watch TV now. 。表示经历或经验(ever/never)→例句：Have you ever been to Shanghai? ·表示最近完成的动作(just/recently)→例句：He has just called his mother. 。表示从过去到现在的重复动作→例句：We have visited the museum three times. 。“主语+have/has+动词过去分词”结构→例句：They have already eaten dinner 3 高中沪外版 核心时态与语态完成时态系统讲解 。与时间段连用(for/since)→例句：She has studied English since20l8. 。否定形式(haven't/hasn't+过去分词)→例句：I haven't seen him today. 2.标志词辨析（中考易错)： 。already（肯定句)→例句：We have already finished the work. ·yet(否定句/疑问句)→例句：Have you read the book yet? 。ever(疑问句)→例句：Has she ever been abroad? ●never(否定句)→例句：He has never told a lie. 。just(刚刚)→例句：The rain has just stopped. 2.过去完成时 1.基础用法拓展（中考必背)： ·表示“过去的过去”发生的动作一→例句：When I arrived,the party had already started. ·与by+过去时间连用→例句：By2020,she had lived in Paris for5 years. 。宾语从句中体现先后顺序→例句：He said he had seen the movie before. ·“主语+had+动词过去分词”结构→例句：They had left when I called. 。与一般过去时对比一→例句：She told me she had bought a new car.. 2.特殊句式（中考常考)： 。“hardly..when.”(刚…就…)→例句：I had hardly fallen asleep when the phone rang. 。“no sooner..than.”(一…就…）→例句：No sooner had he left than the rain started. ·间接引语中的时态变化→例句：She said,“I have finished my homework.”一She said she had finished her homework. 解题小妙招 情态动词推测妙招 推测先看可能性，must表肯定may might: 否定推测用cant,语境判断是核心： 过去推测加完成，must may might接have done: should have表本应，动作未做后悔迟： 情态完成遇被动，have been done莫忘记： 结合时间和主被，结构用法要牢记。 考法精析 考法一：情态动词表推测 4 高中沪外版 核心时态与语态完成时态系统讲解 核心：根据语境判断可能性程度，选择must/may/might/can't等情态动词表推测 真题1（语法填空）： The ground is all wet.It rained heavily last night.(must/may/might) 答案：must 解析：由“地面全湿”的语境可判断昨晚“一定”下了大雨，表肯定推测且可能性极高，用ust。 真题2（单项选择）： -Is that Lucy at the door? -No,it be her.She has gone to Beijing. Amust B may C can't D should 答案：C 解析：由“她去北京了”可知门口“不可能”是Lucy,表否定推测用can't。 考法二：完成时态与情态动词结合推测过去动作 核心：通过语境判断动作是否已完成或对过去动作进行推测，需结合完成时态结构与情态动词表推 测的用法 真题1（语法填空）： The ground is all wet.It (rain)heavily last night. 答案：must have rained 解析：由“地面全湿”的结果及“last night'”可知，对过去动作进行肯定推测（可能性极高），用 “情态动词+have done”结构；must have done表“一定做过”，rain的过去分词为rained。 真题2（单选题)： She looks upset.You_(tell)her the bad news earlier. A should have told B must have told C can have told D need have told 答案：A 解析：由“她看起来难过”可知，语境表达“本应该做却没做”，用should have done结构，符合 “should have told(本应该告诉)”的含义。 考法三：情态动词+完成时态+被动语态的综合运用 核心：结合语境判断对过去情况的推测或虚拟，掌握“情态动词+have been+过去分词”的被动结 构及用法区别 真题1（单项选择)： The door was locked.He the key at home.He can't enter now. A.must have left B.should have left C.must have been left D.should have been left 答案：A 解析：根据“门是锁着的”及“现在进不去”，推测“他一定把钥匙落在家里了”，表对过去的肯定 推测用“must have done'”;主语“he”是动作“leave”的执行者，无需被动语态，leave的过去分词 为left。 真题2（语法填空）： 高中沪外版 核心时态与语态完成时态系统讲解 The work (finish)by yesterday,but he was ill.He (ask)for a leave. 答案：should have been finished;should have asked 解析：第一空“by yesterday”表过去时间点，“工作本应被完成却未完成”用“should have been+过 去分词”，finish的过去分词为finished:第二空“他本应请假却未请”，主语是执行者，用“should have+动词过去分词”，ask的过去分词为asked。 真题演练 演练一：单项选择试题（共10题） 1.The students their homework for three hours by the time the teacher arrived. Ahave done B had done C were doing Dwill do 2.She in this company for 10 years by next month,but she still loves her job. A will work B has worked C will have worked D had worked 3.-Is Tom in the library now? -No,he be there.I saw him playing basketball on the playground just now. A must B may C can't D should 4.The meeting at 2 p.m.tomorrow,so please arrive on time. A will be held B will be being held C is held Dhas been held 5.You the exam if you had studied harder last week. A must pass B should pass C might have passed D need have passed 6.By the time we get to the airport,the plane for 10 minutes. A will leave B has left C will have left D will be leaving 7.The old building down for safety reasons since last month A is being pulled B has been being pulled C was pulled Dwill be pulled 8.-Who is singing in the next room? -It be Mary.She has a sweet voice. Amust B may C can't D should 9.The project by the team when the manager comes back tomorrow. A will discuss B will be discussed C will be being discussed D has been discussed 10.You me the truth earlier.Now it's too late to fix the problem. A must tell B should have told C might tell D need have told 演练二：填空试题（共10题） 1.The rain (stop)by now,but the ground is still wet..(用“情态动词+have done”结构填空) 2.They (work)on the experiment for five hours when the power went out. 6 高中沪外版 核心时态与语态完成时态系统讲解 3.By this time next year,I (live)in Shanghai for 8 years. 4.The missing keys (find)in the drawer yesterday,but no one is sure..(用“情态动词+have done”结构填空) 5.Look!The kids (play)football on the grass since 3 p.m. 6.The novel (translate)into three languages by the end of last year. 7.You (not park)here.It's a no-parking zone. 8.She (study)English for 12 years before she went abroad. 9.The machine (repair)by engineers at 9 a.m.tomorrow,so we can't use it. 10.He looks exhausted.He (run)for a long time this morning.(用“情态动词+have done”结 构填空) 演练三：语法填空试题（共10空) 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 Last Sunday,I decided to visit my grandparents.When I arrived at their house,I found the door locked. My grandparents_ (go)out,but I wasn't sure where.I waited for 30 minutes,and then I called them.My grandma answered and said they (shop)at the supermarket.She apologized and said they (be back)in 20 minutes. While waiting,I noticed the garden.The flowers (water)carefully-their leaves were fresh andgreen.I thought my grandpa_ (look after)them allmorning.He has always loved gardening. At 10 a.m.,my grandparents finally came back.They (carry)two big bags of groceries."We (buy)so much food because your uncle and aunt_ (visit)us this afternoon,"my grandma explained.I offered to help unpack,but she said,"You (not help)-just rest.We (cook)lunch by the time they arrive." I felt happy to spend the day with my family.It made me realize how much they care about us. 答案区 演练-：1B2.C3.C4B5.C6.C7B8.B9.C10.B 演练二：l.must have stopped2.had been working3.will have lived4.might have been found 5.have been playing 6.had been translated 7.mustn't park 8.had been studying 9.will be being repaired 10.must have been running 演练三：l.must have gone2.were shopping3.would be back4.had been watered5.must have been looking after 7 高中沪外版 核心时态与语态完成时态系统讲解 6.were carrying 7.have bought 8.will visit 9.needn't help 10.will have cooked 8