虚拟语气经典讲解
虚拟语气公开课全PPT课件
04
虚拟语气的实际应用
在写作中的应用
写作中，虚拟语气可以用来表达假设 、条件、建议、意愿等，使句子更加 生动、有力。例如，“如果我是你， 我会选择这个选项。”
在翻译中的应用
在翻译过程中，虚拟语气可以用来保持原文的语气和情感色彩，使译文更加准确、传神。例如，在翻 译英文的虚拟语气时，可以将其翻译为中文的“要是”、“如果”、“假如”等词，以保持原文的语 气和含义。
虚拟语气在翻译中还可以用来处理一些难以理解的句子或表达方式，使其更加符合目标语言的习惯和 表达方式。例如，在翻译一些复杂的从句或长句时，可以使用虚拟语气来简化句式或突出重点。
虚拟语气公开课全ppt 课件
汇报人：可编辑
2023-12-23
目录 CONTENT
• 虚拟语气概述 • 虚拟语气的基本形式 • 虚拟语气的特殊形式 • 虚拟语气的实际应用 • 虚拟语气常见错误与纠正方法 • 虚拟语气练习与答案解析
01
虚拟语气概述
定义与特点
定义
虚拟语气是表示假设、想象、推 测等非真实情况的语气，常常用 于条件句、祝愿、建议等语境中 。
虚拟语气常见错误与纠 正方法
时态错误
总结词
时态错误是指虚拟语气在时态使用上的不准确，通常表现为混淆了虚拟语气与陈述语气 。
详细描述
在英语中，虚拟语气通常表示与事实相反的情况，如假设、想象、祝愿等，时态的使用 应与事实相反。例如，在"If I were you, I would do it"中，"were"和"would"构成了 虚拟语气，表示与事实相反的情况。如果混淆了虚拟语气和陈述语气，就会造成时态错
(完整版)英语虚拟语气语法归纳总结
（完整版）英语虚拟语气语法归纳总结英语中的虚拟语气是一种表示非事实或想象的语气，用来表达对现实情况的猜测、愿望、要求、建议、命令和反讽等。
虚拟语气主要通过动词的形式和句子的结构来表达。
一、虚拟语气的用法：1.表达建议、要求、命令、禁止：- 主语+动词原形+宾语（动词原形要用动词底形、如be）；- 主语+动词原形+that从句（用于表达建议、命令、禁止，动词原形用“should + 动词原形”或用情态动词）。
例句：- It is important that he be present at the meeting.（建议）- I suggest that he should go to the doctor.（建议）- They insisted that he leave the room immediately.（命令）2.表达愿望、请求、要求：-主语+动词过去式；- 主语+would/could/might + 动词原形；- 主语+动词过去式+宾语+should + 动词原形。
例句：- I wish I could fly.（愿望）- I would appreciate it if you could help me.（请求）3.表示虚拟条件：- If条件从句中的谓语动词用过去完成时，主句用would/should/might/could + have + 过去分词；- If条件从句中的谓语动词用过去时，主句用would/should/could + 动词原形。
例句：- If I had known his phone number, I would have called him.（虚拟条件）- If you had listened to me, we could have finished the project earlier.（虚拟条件）4.表达建议、要求、祝愿：- If only内部称述 + 主语 + 过去式。
高中必备知识点解析虚拟语气的形式与用法
高中必备知识点解析虚拟语气的形式与用法虚拟语气是高中英语必备的语法知识点之一。
它在英语中经常被用于表达假设、愿望、建议、命令和推测等情态，通过使用虚拟语气，可以使语言更加丰富和准确。
本文将深入解析虚拟语气的形式与用法。
一、虚拟语气的形式1. 虚拟语气的一般现在时：用于表示与现在事实相反的情况。
其结构为：主语+动词原形（倒装）。
例如：If I were you, I would study harder.（如果我是你，我会更加努力学习。
）2. 虚拟语气的一般过去时：用于表示与过去事实相反的情况。
其结构为：主语+动词过去式（倒装）。
例如：If I had seen her yesterday, I would have said hello.（如果我昨天见到她，我会问好的。
）3. 虚拟语气的过去完成时：用于表示对过去情况的猜测或不可能发生的情况。
其结构为：主语+动词过去完成式（倒装）。
例如：I wish I had studied harder for the exam.（我希望我为考试努力学习。
）二、虚拟语气的用法1. 表达假设与条件：If I were you, I would travel around the world.（如果我是你，我会环游世界。
）I wish I had a million dollars.（我希望我有一百万美元。
）2. 表达愿望与建议：I wish you would stop smoking.（我希望你戒烟。
）It's important that she arrive on time.（她按时到达很重要。
）3. 表达命令与要求：The teacher ordered that the students be quiet.（老师要求学生们保持安静。
）She insisted that he leave immediately.（她坚持要他立刻离开。
）4. 表达推测与猜测：He looks as if he were sick.（他看起来像是生病了。
虚拟语气经典讲解
5. 虚实结合条件句。 She wasn’t feeling very well. Otherwise she wouldn’t have left the meeting so early. He telephoned me to inform me of your birthday, or I would have known nothing about it.
2）It’s a pity/ no wonder… + that --- 从句中 的动词要用虚拟，表示惊讶，遗憾，惋惜 等感情色彩，即should+动词原形
1.It is a pity that she should refuse to accept the offer. 2. It is no wonder that John should have won the game.
B before 4 o’clock. 1. The teacher demanded that the work _____
A. finished B. be finished C. should finish D. finish
2. --- What did the doctor say about your mother’s illness?
过去 现在
had done
+have done sth
would 助动词 be用 were should 实义动词 do 用 did could might
+ do sth
did / were 将来 should do were to do
would should + do sth could Might
与未来事实相反
高中英语语法讲解——虚拟语气PPT教学课件
1.2.虚拟语气用于宾语从句 1.2.1.句型“…wish that…” 在wish后的that宾语从句中：1.如果表示对现在的愿望，从句谓语要使用过去时: （1）从句谓语动词如果是be，则用were形式。 （2）从句谓语动词如果是行为动词，则用过去时形式。--I wish I were a bird. 但愿我是只鸟儿。--I wish you didn’t talk like that. 但愿你没有那样说。
1.1.6.含蓄条件句
英语中有些句子从形式上看不包含条件从句，但在意义上却是非真实条件句，这类句子称为含蓄条件句，这样的句子可分为三类
1.省略整个条件句 --Such mistakes could have been avoided. (省略了if we had been more careful). 这样的错误本来是能够避免的。 --I should have caught the train. (省略了if I had left a little earlier) 我本应该赶上火车的。
2.如果表示对将来的愿望，从句谓语动词用 “would (could, might )+动词原形” 的形式。 --I wish you would do the favor for me. 但愿你会帮我这个忙。 --I wish I could speak several languages. 但愿我会说好几种语言。
1.1.2.和过去事实相反的非真实条件句
这类非真实条件句表示过去未发生的事情，和过去事实相反。比如：
--If I had left a little earlier ,I would have caught the train. 如果我早一点离开的话，我就会赶上火车了。--The man’s life might have been saved if he had been sent to a better hospital.如果把那个人送到一家更好的医院的话，他也许回被救活的
讲解最清晰最全-虚拟语气PPT课件
这种虚拟语气有两种形式，一种用于表示对现在的假设，另一种用于表示对过去或未来的假 设。例如：“If he were here, he would help us.”（如果他在这儿，他会帮助我们的。）
虚拟语气在从句中的使用
除了在条件状语从句中，虚拟语气还可以用于宾语从句、主语从句等从句中。例如：“I suggest that he go to the party.”（我建议他去参加聚会。）在这个句子中，“go to the party”是虚拟语气，表示主观愿望或建议。
PART 02
虚拟语气的形式和用法
与现在事实相反
总结词
表示与现在实际情况相反的情况。
详细描述
虚拟语气中与现在事实相反的用法通常通过将助动词“would”或“could”与动词 原形组合来实现，表示对现在情况的假设或条件。例如，“If I were you, I would try again.”（如果我是你，我会再试一次。）
语境理解错误
未能准确理解语境，导致虚拟语气 使用不当。
虚拟语气在实际中的应用
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02
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文学创作
在小说、诗歌等文学作品 中，虚拟语气常用于表达 作者对人物、情节的虚构 和想象。
商业沟通
在商业信函、合同等文件 中，虚拟语气常用于表示 礼貌、委婉的语气，以及 表达假设条件下的意愿。
学术论文
在学术论文中，虚拟语气 常用于描述假设情景、推 测结果等，以保持客观和 中立的语气。
与过去事实相反
总结词
表示与过去实际情况相反的情况。
详细描述
虚拟语气中与过去事实相反的用法通常通过将助动词“would have”或“could have”与动词过去分词组合来 实现，表示对过去情况的假设或条件。例如，“If I had known the answer, I would have told you.”（如果我 早知道答案，我早就告诉你了。）
虚拟语气详细讲解ppt课件.ppt
篮球比赛是根据运动队在规定的比赛 时间里 得分多 少来决 定胜负 的，因 此，篮 球比赛 的计时 计分系 统是一 种得分 类型的 系统
1.1 虚拟语气的类别
• 从虚拟语气的形式和内容两方面着眼，可 将其分为三大类：
• be型虚拟语气 • Were型虚拟语气 • 条件虚拟语气
篮球比赛是根据运动队在规定的比赛 时间里 得分多 少来决 定胜负 的，因 此，篮 球比赛 的计时 计分系 统是一 种得分 类型的 系统
place? • 你怎么敢象是这地方的主人似的随意进来？ • I would rather we had dinner now. • 我倒愿意现在就吃饭。
篮球比赛是根据运动队在规定的比赛 时间里 得分多 少来决 定胜负 的，因 此，篮 球比赛 的计时 计分系 统是一 种得分 类型的 系统
篮球比赛是根据运动队在规定的比赛 时间里 得分多 少来决 定胜负 的，因 此，篮 球比赛 的计时 计分系 统是一 种得分 类型的 系统
• Please sit down! • I am a teacher./I am not a teacher./Are you
a teacher? • If I were you, I would do better.
• 简单的简单句
• 六个最基本句型,以及其中包含的六种句子成分(主 谓宾系表补)。
• ①SV(主谓) • ②SVO(主谓宾) • ③SVP(主系表) • ④SVOOC(主谓宾宾补) • ⑤SVIODO(主谓双宾语) • ⑥There be + O (There be)
篮球比赛是根据运动队在规定的比赛 时间里 得分多 少来决 定胜负 的，因 此，篮 球比赛 的计时 计分系 统是一 种得分 类型的 系统
大学英语虚拟语气详解ppt课件
资 金 是 运 动 的价值 ，资金 的价值 是随时 间变化 而变化 的，是 时间的 函数， 随时间 的推移 而增值 ，其增 值的这 部分资 金就是 原有资 金的时 间价值
b. 与过去事实相反的假设
条件从句 过去完成时
主句 should(would)等+have+过去分词
例句: If he had come yesterday, I should/would have told him about it. 含义：He did not come yesterday, so I did not tell him about it. If I had taken your advice, I would not have made such a mistake.
虚拟条件句中的省略：
非真实条件句中的条件从句有时不表达出来，只暗含在副词、介词短 语、上下文或其他方式表示出来，这种句子叫做含蓄条件句，在多数 情况下，条件会暗含在短语中，如without…，but for…等。 例如：But for his help, we would not be happy now.
谓语动词用should+ 动词原形，should可省略。
可用的词有三类
suggested, ordered, required, proposed,
demanded,requested, insisted等
It is
that
important, necessary, natural,
imperative, strange等
资 金 是 运 动 的价值 ，资金 的价值 是随时 间变化 而变化 的，是 时间的 函数， 随时间 的推移 而增值 ，其增 值的这 部分资 金就是 原有资 金的时 间价值
虚拟语气超详细讲解
虚拟语气超详细讲解虚拟语气类型一、(should)+do1、<无论词性，无论其从句，一律用should+do, should可省略>建议advise, suggest, propose,recommendn命令order, command请求ask, demand, require, request坚持insist 敦促urge 希望desire 指示direct**suggest表“暗示”insist表“坚持认为”不用虚拟语气The man insisted that he had never stolen the moneyThe smile on his face suggested that he had passed the examination.I suggested that he __________(stay)where he is.It is suggeated that he __________where he is.My suggestion is that he _________where he is.My suggestion that he ________where he is has been accepted.2、It is/was + 紧急，重要，奇怪/建议，要求，命令(带感情色彩)+that从句①important,natural,strange ,necessary，surprised, crucial, essential,②requested/suggested/desired/pro posed/ recommended/orderedIt is ordered/important that we (should) stay where we are.类型二Were 型虚拟语气基本原则：对现在虚拟：过去时did/were对过去虚拟：过去完成时had done对将来虚拟：过去时did/were to do或者would, might, could ＋动词原形1. if 条件句中的虚拟时间从句谓语形式主句谓语形式将来动词过去式(be用were)should + 动词原形were to + 动词原形would / should / might / could + 动词原形现在动词过去式(be 用were) would / should / might / could + 动词原形过去had +动词过去分词would / should / might / could have + 动词过去分词1.1 与现在事实不一致，其句型为：If +主语＋did ，主语＋should （could, would, 或might ）＋do .If I were you, I would study hard. （可倒装）If it rained, I would not be here now.1.2 与过去事实不一致，句型为：If +主语＋had ＋done ，主语＋should （could, would, 或might ）＋have ＋done. If the doctor had come last night, the boy would have been saved. （可倒装）1.3 将来事实不一致，句型为：If should were to 主语＋＋do ，主语＋should （could ，would, 或might ）＋do. If it should rain tomorrow, we would stay at home.（可倒装）If I were to go to the moon one day, I could see it with my own eyes.（可倒装） If you missed the film to night, you would feel sorry.（混合虚拟）难点：①在条件句中如果出现were, had, should 可省去if ，将主语与这些词倒装 Had the doctor come last night , the boy would havesaved.Were I to go to the moon one day , I would see it with my own eyes.Should it rain tomorrow , we would stay at home.②当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时，被称为“错综时间条件句”，常常表现为if+过去虚拟+主句现在虚拟If you had followed my advice, you would be better now.If you had studied hard before, you would be a college student now.2. wish 后面的宾语从句中与现在愿望不一致: 主语＋did ； I wish I were you.与过去愿望不一致: 主语＋had ＋done ；I wish I had visited the white House when I was in the states.与未来愿望不一致: 主语＋would （could ）＋do 。
虚拟语气讲解版
2. 虚拟语气用于 if only引导的感叹句中
If only 引导的是省略了表示结果的主句的虚拟 语气结构，现已成为惯用法，表达愿望一种不真实的 条件，译成“要是……就好了！” 从句用过去时表示现在没有实现的愿望， 对过去没有实现的或不能实现的愿望，从句就用过去 完成时。
If only I had taken his advice.我要是听他的话就好 了．
等.
I wish it were spring all the year round.
I wish you could go with us.
We wish we had arrived there two hours earlier.
2. would/had rather
would sooner/prefer+object clause 在虚拟语气中的用法表 示希望或婉转的责备。
E.g. 1.I intended I should call on you , but I was busy at that time. 2.I am sorry ,but I really didn’t mean to hurt. 3.I had planned to travel to Canada, but I had something more important to cope with.
I didn’t hear the phone, I must have been sleeping..
五）虚拟语气用于主语从句．
在主语从句中，谓语动词的虚拟语气结构用“ should 十动词原形”的结构，表示惊奇、不相信、惋惜、理应 如此等． 句型：It is /was+ 形容词/过去分词/名词 + that ……
虚拟语气讲解课件
二、虚拟语气用于宾语从句中
Wish 的宾语从句
现在： 过去： 未来：
过去时（were）
过去完成时
would/could/might+V.
I wish I were a bird I wish I hadn’t made such a mistake We wish our parents wouldn’t punish us.
a party for you . a full mark next time,
I ________
____________ ____________ ____________
Were to get
现在事实相反
If I were you, I would give AIDS patient a hug. If I had taken your advice, I wouldn’t have made a mistake. If it rained tomorrow, they wouldn’t go for an outing.
Eg : We met in this room .
陈述语气 Do come to the meeting next Friday .
祈使语气 If I were you , I would study hard .
虚拟语气讲解(整理)
（3）虚拟语气在 在主语从句中
A.在句型 “It is important (necessary, strange, natural) that .... ” 中，that 后面的从句中的谓语动词 用： should + 动词原形
1. 我们有必要出去散散步。 It’s necessary that we should have a walk now.
2.用于表示命令、建议、要求等一类词后面的宾语从句。 insist, order, command, suggest, advise, propose, require, request, demand, desire etc.
We suggested that the meeting (should) be put off.
7. It is of the utmost importance that you ______ here on time. a. be b. shall be c. are to be d. must be
三、虚拟语气在其他从句中
1. It is (high / about ) time that…从句中的谓 语动词用过去式或should＋动词原形，should 不能省略． It is high time that you went / should go to school.
I would rather you told me the truth. I would rather you had gone there last Sunday.
4. as if ( as though) 看起来 常用虚拟形式，即 表示与现在事实相反，用过去式；与过去事实相反 用过去完成式 (had done).
英语虚拟语气讲解课件
A. is going to C. was going to
B. will D. would
3. would rather that
现在： 过去时 过去： 过去完成时 未来： 过去时
I would rather you paid me now. I would rather you had gone, too.
Thank you!
注意：如果表示的事情可能会发生，那 么状语从句中的谓语动词可用陈述语气。
It looks as if you are tired.
When a pencil is partly in a glass of water, it looks as if it __________.
A. breaks C. were broken
A. didn’t go
B. hadn’t done
C. wouldn’t do
D. wasn’t doing
2. as if /though + Clause
现在： did /were(现在) 过去： had done(过去) 将来 : would+动词原形(将来)
She loves the baby as if it were her own son. He speaks as if he had been to the United States.
insist表示“坚持认为，坚持说”时不用虚拟！
His accent suggests he comes from Hunan. I insist that he was wrong.
虚拟语气特殊句型：
1.wish that 2. as if /as though 3.would rather that 4.It’s ( about/high) time that
虚拟语气详细讲解及经典习题 附答案
虚拟语气一、考点聚焦1、虚拟语气用于条件状语从句中（1）表示与现在事实相反的假设，条件状语从句中的谓语动词用“过去式（be动词的过去式用were）”，而主句中的谓语动词用“would / should/ could / might + 动词原形”。
如：If I were a boy, I would join the army.If the had time, she should go with you.（2）表示与过去的事实相反，条件状语从句中的谓语动词用过去完成时，主句中的谓语动词则用“would / should / might / could + have +过去分词”。
如：If he had taken my advice, he would have succeeded in the competition.（3）表示与将来事实相反，条件状语从句中的谓语动词一般过去时或should(were to) + 动词原形，而主句中的谓语动词则用would / should/could might + 动词原形。
如；If it were to rain tomorrow, the football match would be put off.（4）当条件状语从句表示的行为和主句表示的行为所发生的时间不一致时，动词的形式要根据它所表示的时间作相应调整。
如：If they had worked hard, they would be very tired.(从句说的是过去，主句指的是现在)Were I a boy, I would join the army.Had he taken my advice, he would have succeeded.Were it not for the expense, I would go to Britain.2、虚拟语气用于名词性从句（1）虚拟语气在宾语从句中的运用。
英语虚拟语气语法总结
英语虚拟语气语法总结虚拟语气常常使学习英语的人感到困惑。
它需要我们以想象的方式来表达一种与事实不符的情况或假设。
在这篇文章中，我们将对英语虚拟语气进行总结并提供一些实用的例子。
一、虚拟语气的形式和用法虚拟语气的形式主要有：1. 过去式虚拟：用于表示与现在事实相反的情况。
例如："If I were rich, I would buy a yacht."（如果我富有，我会买一艘游艇。
）2. 过去完成式虚拟：用于表示与过去事实相反的情况。
例如："If she had studied harder, she would have passed the exam."（如果她学得更努力，她本来会通过考试的。
）3. 条件句中的虚拟语气：用于表示与现在或将来事实相反的情况。
例如："If I had more time, I would go on a vacation."（如果我有更多时间，我会去度假。
）4. 愿望虚拟语气：用于表示对目前或过去情况的希望、期待。
例如："I wish I were taller."（但事实是我并不高。
）二、虚拟语气的用法详解1. 表示虚拟条件的句子虚拟条件句常常由“if”引导，其中包含一个假设性的陈述。
在这种情况下，我们使用过去时态来表示与现在事实相反的情况。
例如："If Iwere you, I would apologize."（如果我是你，我会道歉。
）这里的“were”是过去式虚拟的一种形式，用来表示与现实情况不符的假设。
2. 表示与过去事实相反的虚拟语气过去完成式虚拟经常出现在假设条件中。
例如："If she had told him the truth, he wouldn't have been angry."（如果她告诉了他真相，他不会生气。
英语的虚拟语气知识点讲解
英语的虚拟语气知识点讲解一、虚拟语气的概念。
虚拟语气是一种特殊的动词形式，表示所说的话不是事实，而是一种假设、愿望、怀疑、推测或与事实相反的情况等。
二、虚拟语气在非真实条件句中的用法。
1. 与现在事实相反。
- 条件从句的谓语动词用一般过去式（be动词一般用were），主句的谓语动词用“should/would/could/might + 动词原形”。
- 例如：If I were you, I would take an umbrella.（实际上我不是你）2. 与过去事实相反。
- 条件从句的谓语动词用“had + 过去分词”，主句的谓语动词用“should/would/could/might+have +过去分词”。
- 例如：If he had taken my advice, he would have passed the exam.（实际上他没听我的建议，也没通过考试）3. 与将来事实相反。
- 条件从句的谓语动词有三种形式：一般过去式、“should+动词原形”、“were to+动词原形”，主句的谓语动词用“should/would/could/might +动词原形”。
- 例如：If it rained/were to rain/should rain tomorrow, we would not go out.三、虚拟语气在宾语从句中的用法。
1. wish后的宾语从句。
- 表示与现在事实相反的愿望，从句谓语动词用一般过去式（be动词用were）。
例如：I wish I were a bird.（实际上我不是鸟）- 表示与过去事实相反的愿望，从句谓语动词用“had+过去分词”。
例如：Iwish I had seen the film yesterday.（实际上昨天没看这部电影）- 表示与将来事实相反的愿望，从句谓语动词用“would/could/might+动词原形”。
例如：I wish I could fly to the moon tomorrow.2. 在表示建议、要求、命令等意义的动词后的宾语从句中（如suggest, advise, demand, require, order等）- 从句谓语动词用“should+动词原形”，should可以省略。
英语虚拟语气最全讲解
C. It is /was 某些动词的过去分词＋that适用于这一句型 的动词的过去分词常用：suggested, requested, proposed, desired, ordered, decided等，如：
It’s requested that Mr.Wang (should) give a performance at the party. It was arranged that they should leave the following week. It has been decided that the meeting should be postponed till next Saturday.
had+过去分词
将来式 should/would/might/could+动词原形 （在主句谓语动词之前发生）
ห้องสมุดไป่ตู้
I wish I were/was as strange as you. 我希望象你一样健壮。 How I wish it was not raining! 现在如果不下雨多好啊。 I wish I remembered the address. 我要是记得地址就好了。 I wish he hadn’t gone. 他要是没去该多好。 He wished you would go and see him. 他愿你去看看他。 Monica wished she hadn’t come. 莫妮卡愿她没来过。
2 虚拟语气在虚拟条件句与结果主句中的谓语动词 形式。 条件句中的 结果主句中的 谓语动词 谓语动词
与现在事实相反 动词过去式 ( be用were) had+过去分词
虚拟语气讲解课件
虚拟语气
虚拟语气在复合句中的应用：
三、错综时间的条件句
即从句与主句的动作发生的时间不同。此时，需要 按时间来确定虚拟形式。如：
I would rather she hadn't done that.(过去)
我宁愿她没做过那事。
虚拟语气
虚拟语气在 在主语从句中
在句型 “It is important (necessary, strange, natural) that .... ” 中，that 后面的从句中的谓语 动词用： should + 动词原形
[例句] 1. It’s necessary that we should have a walk now.
我们有必要出去散散步。 2. It’s natural that she should do so.
她这样做是很自然的。 3. It’s important that we should take good care of
• Do you know the order that you (should) keep watch.
虚拟语气
虚拟语气在 在 as if 从句中
在as if 从句中，常用虚拟形式，即表示与现在事实 相反，用过去式；与过去事实相反用过去完成式 (had done).
一、as if 连接表语从句 she looked as if she were made of ice. 她看起来似乎是冰做的 he looked as if he hadn’t slept for two days.
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名词性从句中的虚拟语气 A、宾语从句中的虚拟语气 在动词 suggest, order, demand, request, desire, insist, require,
decide, determine, advise, recommend, deserve (值得提及) 后
需用 should 型的虚拟语气。 考题点击：
C、表语从句和同位语从句中的虚拟语气
在 suggestion, proposal, idea, plan, order, advice 等名词后面的表语从句、同位语从句中要用虚拟 语气，即（should）+动词原形。 My idea is that we (should) get more people to attend the conference. I make a proposal that we (should) hold a meeting next week.
5. 虚实结合条件句。 She wasn’t feeling very well. Otherwise she wouldn’t have left the meeting so early. He telephoned me to inform me of your birthday, or I would have known nothing about it.
与现在事实相反
3. If I had taken your advice, I wouldn’t have made a mistake.
4. If he had been there, it wouldn’t have happened.
与过去事实相反
5. If it should rain tomorrow, they wouldn’t go for an outing. 6. I think we could do it, if we planned it properly and could borrow the tools. 7. If we were to have three days off , we would enjoy a very happy life.
B before 4 o’clock. 1. The teacher demanded that the work _____
A. finished B. be finished C. should finish D. finish
2. --- What did the doctor say about your mother’s illness?
虚拟语气 + but + 真实语气
名词从句中虚拟语气的用法
1）wish引导的宾语从句 现在： 过去时 (did/were) wish 过去： 过去完成时 (had done) 未来：would/could/might+V.
should
• I wish I were a bird. (现在)
• I wish I hadn’t made such a mistake. (过去)
• We wish our parents wouldn’t punish us.
(未来)
2）主要是表示坚持，命令、要求、建议的 虚拟语气。 一个坚持：insist 两个命令：order, command 三个建议：advise, suggest, propose 四个要求：demand , require, request, desire 这些动词后面的宾语从句要使用虚拟语气 用法。即从句中的动词 使用should + 动词原 形，或者将should省略。
+ do sth
did / were 将来 should do were to do
would should + do sth could Might
1. If I had HIV, I would know because I would feel sick.
2. If I were you, I would give AIDS patient a hug.
C --- He suggested that she _____ an operation at once.
A. must have
B. had
C.主语从句中的虚拟语气
基本句型： a. It is suggested, ordered, proposed, required, demanded, requested, insisted； + (should) do b. It is important, necessary, natural, desirable, strange, advisable, imperative… c. It is a pity, a shame, no wonder
考题点击： D the examination? 1. Is it necessary that he _____ A. takes B. has to take C. must take D. take 2. It is strange that he _____ B you this. A. would tell B. should tell C. had told D. has told
真实语气 + otherwise/or + 虚拟语气
I should have returned the book last week, but I was so busy that I forgot to do so. He could have done the work well, but he was so careless.
4. 含蓄虚拟条件句：
without和but for 构成虚拟。(but for要不是)
• Without sunlight, people’s life would be different from today. • But for your help, I wouldn’t have finished the work. •But for water, it would be impossible to live in the desert.
2）It’s a pity/ no wonder… + that --- 从句中 的动词要用虚拟，表示惊讶，遗憾，惋惜 等感情色彩，即should+动词原形
1.It is a pity that she should refuse to accept the offer. 2. It is no wonder that John should have won the game.
2、条件句中虚拟语气的倒装；
假设条件虚拟倒装。 条件从句中含有 should，were， had 三个助动词并且放在句首时， 可以把if省略。 If I were you, I would give it up. Were I you, I would give it up. If I had had time, I would have run round that lake again. Had I had time, I would have run round that lake again. If there should be a flood, what should we do? Shoul there be a flood, what should we do?
• 我们建议Tom去休息一下。 • 他坚决要求我到场。 • 国王命令囚犯明天要实施死刑。 • 他们要求我们派他们去那儿工作。 We suggested that Tom (should) have a rest.
He insisted that I (should) be present. The king ordered that the prisoners (should) be killed the next day. They requested that we (should) send them to work there.
虚拟语气讲解 课件
虚拟语气定义
1.英语动词有三种语气， 陈述语气， 祈使语气和虚拟语气. 2. 定义：用来表示说的话不是事实， 或者是不可能发生或可能性比较小的 情况，而是一种愿望，建议，假设的 语气叫虚拟语气。
虚拟语气的考点 1、一般条件句中虚拟语气的用法； 2、条件句中虚拟语气的倒装；
3、名词性从句中虚拟语气的用法；
4、状语从句中虚拟语气的用法；
5、几种特殊结构中虚拟语气用法；
6、虚拟语气与陈述语气的判定。
一般条件句中虚拟语气的用法
1.一般条件句中的虚拟语气
时 间
If 条件句
主 句
would should could might
过去 现在
had done
+have done sth
would 助动词 be用 were should 实义动词 do 用 did could might
3. 混合(时间错综)型虚拟语气： 假设条件从句谓语动词发生的时间与主句 所假设的谓语动词不一致，叫做错综条件 虚拟语气。主句和从句的谓语动词要依照 假设的时间而定。 If the weather had been finer, the crops would be growing still better. If you had followed the teacher’s advice, you wouldn’t be in the hospital.
与未来事实相反
1.If I were you, I ____ C buy the house right now. A. won’t B. don’t C. wouldn’t D. can’t 2. _____more careful, his ship would not have B sunk. A. If the captain were B. If the captain had been C. Should the captain be D. If the captain would have been 3. If he A ___ me tomorrow, I would let him know A. should call B. should not have been able C. were not able D. are not able