②语法情态动词与倒装强调-2026-2027学年高二英语上册同步板块专项提升训练

高二上②语法情态动词与倒装强调 第一模块：结构化系统知识梳理 一、核心语法体系 1.情态动词核心用法 情态动词 核心含义 典型语境 高考陷阱 主观义务；对现在/过去肯 mustn't表禁止，不表推 must 必须；一定（肯定推测） 定推测 测否定 能够；可能（疑问/否定推 can't表否定推测；could can 能力；客观可能性 测) 表委婉 may not表“可能不”，非 may 可以；可能 允许；不确定推测 “不可以” 非may的过去式，语气更 might 可能（可能性更小） 委婉请求；极不确定推测 弱 should 应该；竟然 义务；惊讶；按理推断 ought to语气更强 would 将会；过去常常 意愿；过去习惯；虚拟 used toi强调今昔对比 need作实义动词有人称变 need 需要（情态/实义） needn't表不必 化 dare 敢（情态/实义） 疑问/否定 I dare says=我猜想 2.情态动词表推测的三层体系 推测程度 现在/将来 过去 进行 肯定(100%) must do must have done must be doing 可能(50%) may/might do may/might have done may/might be doing can't/couldn't have 否定(0%) can't/couldn't do can't be doing done ★must have done反义疑问句：反义部分用haven't/hasn't(主语一致)。 ★can't have done:对过去的否定推测，"不可能做过”。 ★should/ought to have done:本该做而未做（责备）。 ★needn't have done:本不必做却做了（浪费）。 ★could have done:本来能够做而未做。 3.倒装句分类体系 类型 触发条件 结构公式 例句 方位副词/时间副词/表语置 完全倒装 副词+谓语+主语 Here comes the bus. 首 完全倒装 there/here引导 There be/lie/stand... There stands a tower. 否定词+助动词+主语+谓 部分倒装 否定词置首 Never have I seen it. 语 部分倒装 Only then did he only+状语置首 Only+状+助+主+谓 know. Were/Had/Should+主 部分倒装 虚拟条件句省略if Had I known,I would... +谓 So do I,Neither did 部分倒装 so/neither/nor:置首 So/Neither-+助+主 he. Child as he is,he 部分倒装 as/thoughi让步 表语/状+as+主+谓 knows. Not until-+.+助+主 Not until he came did I 部分倒装 not untilj置首 +谓 leave. Hardly had+主 Hardly had I left when 部分倒装 hardly...when +done+when... it rained. 高频否定词/半否定词置首倒装清单： never,seldom,hardly,scarcely,barely,rarely,little,no sooner,not only,not until,nowhere,in no case,on no account,at no time,under no circumstances 4.强调句核心体系 强调类型 结构公式 关键特征 Itis/was+被强调部分+ t强调句 去掉tis.that句子完整 that/who+其余 not..until强调 It is/was not until...that... that后不倒装 do/does/did强调 do/does/did+动词原形 只强调肯定句谓语 What强调 What...is/was... 强调主语/宾语 倒装强调 否定词置首+部分倒装 强调否定意义 ★t强调句判断法：去掉Itis/was和that/who,剩余成分能组成完整句子→强调句；不能→定语从句/主 语从句。 二、重难点系统梳理 难点1：情态动词+have done全对比 结构 含义 情感色彩 must have done 一定做过 肯定推测 can't/couldn't have done 不可能做过 否定推测 may/might have done 可能做过 不确定推测 should/ought to have done 本该做而未做 责备/遗憾 shouldn't have done 本不该做却做了 责备 needn't have done 本不必做却做了 惋惜（浪费） didn't need to do 不必做（也没做） 客观陈述 could have done 本来能做 遗憾/债备 would have done 本来会做 虚拟假设 might have done 本来可能做 轻微责备 ★needn't have done vs didn't need to do:前者做了但没必要；后者没做，因为没必要。 难点2：倒装句三大易混点 易混点 正确规侧 错误示例 only+主语置首 不倒装 Only he can do it. only+状语置首 倒装 Only then did he know.√ Not only did he come,but also not only...but also 前倒后不倒 he stayed. No sooner had he left than it no sooner...than 前倒(had)后不倒 rained. Hardly had he left when it hardly...when 前倒(had)后不倒 rained. so+adj/adv置首 完全倒装 So fast did he run that... such.that置首 部分倒装 Such was his anger that... 难点3：强调句与定语从句/主语从句辨析 句式 结构 判断方法 例句 It was Tom that broke t强调句 It is/was...that/who... 去掉后句子完整 it. 去掉后不完整；that作成 t定语从句 ltis.that.… It is a book that I like. 分 句式 结构 判断方法 例句 It is certain that he t主语从句 ltis.that.… that引导主语从句 will come. What强调 What...is/was... 强调宾语/生语 What I need is time. 三、高考必考规律汇总 情态动词必考公式： 1.must have done→对过去肯定推测 2.can't have done-→对过去否定推测 3.should have done→本该做而未做 4.needn't have done→本不必做却做了 5.may/might have done→对过去不确定推测 倒装句必考公式： 1.否定词置首→部分倒装（助动词提前） 2.0nly+状语置首→部分倒装 3.虚拟条件省略if→Were/Had/Should提前 4.as/though让步→表语/状语提前 5.so/neither/nor→部分倒装 强调句必考公式： 1.Itis/was+被强调+that/who+其余 2.It is/was not until...that... 3.do/does/did+动词原形 4.What...is/was... 四、易混易错对比表 易混点 核心区别 适用语境 高考扣分点 正确用法 You must go.(主 must vs have must主观；have 义务 混用 观)I have to go. to to客观 (客观) He could swim. can vs be able can现在；be able 能力 时态错 He was able to to to各种时态 escape. It may rain. may vs might might可能性更小 推测 混用 (50%)It might rain.(30%) 易混点 核心区别 适用语境 高考扣分点 正确用法 You needn't have needn't have come.(来了)You done vs didn't 做了Vs没做 过去 混淆 didn't need to need to come.(没来) You should have should have told me.(责备) done vs could 责备Vs遗憾 过去 混淆 You could have have done told me,(遗憾) Never have I.,√ 倒装Vs陈述 否定词置首才倒装 句首 漏倒 Never I have...X It was Tom that... 去掉后完整Vs不完 It强调vs定从 强调 误判 √It is a book 整 that...X 倒装：Not not until倒装vs until..did..;强 倒装后不倒；强调 混用 强调 强调 调：It was not that后不倒 until.that.… 五、题型解题方法论 语法填空解题模型： 1.看空格位置→判断是否倒装/强调 2.看句首词→否定词/only/s0→倒装 3.看tis/was→判断强调句/定从/主从 4.看情态动词→判断推测/虚拟/义务 5.看时间状语→判断have done:结构 短文改错解题模型： 1.情态动词后→动词原形 2.否定词置首→是否倒装 3.tis.that→是否强调句 4.only+状语→是否倒装 5.must/may/can→推测是否合理 书面表达提分模板： 1.强调句：tis.that…→突出观点 2.倒装句：Not only...but also.→增强语气 3.虚拟倒装：Hadl..I would..→高级表达 4.Only+状语倒装：Only in this way can we..→总结句 5.否定词倒装：Never should we..→呼吁句 第二模块：溯源真题训练 1.(基础夯实) He (must)have forgotten his keys,for he can't open the door. 【标准答案】must 2.（基础夯实) (should)have studied harder when I was young,but I didn't. 【标准答案】should 3.(中档提升) Never before such a wonderful performance. A.I have seen B.have I seen C.I saw D.did I see 【标准答案】B 4.（中档提升) It was not until midnight he came back home. A.that B.when C.which D.where 【标准答案】A 5.(中档提升) Only when he failed the exam he realize the importance of hard work. 【标准答案】did 6.(高考拔高) I known your address,I would have written to you. 【标准答案】Had 7.(高考拔高) -I can't find my purse anywhere. -You it in the taxi yesterday. A.must leave B.must have left C.should leave D.should have left 【标准答案】B 8.(高考拔高) Not only interested in music,but also he is good at playing the piano. A.he is B.is he C.he was D.was he 【标准答案】B