虚拟语气之if引导的虚拟条件句
had worked If I ____________(work)hard in Senior High, wouldn’t be I______________(not be)a miserable teacher now.
（2）虚拟条件句的省略：if虚拟条件句中若含有
were,had或should，可把if省掉，并把were,had或should
提到句首。
If you had come earlier, you would have met him. Had you come earlier, you would have met him.
If you were to fall ill, I would be worried. Were you to fall ill, I would be worried. If you should need anything, you could call me. Should you need anything , you could call me.
ห้องสมุดไป่ตู้
if条件句中虚拟的特殊情况： 从句说的是过去， 主句说的是现在
如果他昨晚没有熬夜，他现在就不会如此疲 倦。（stay up） • If he had not stayed up last night, he would not be so sleepy now.
（1）错综虚拟句：当虚拟条件句所表示的与主句表示的时间不一 致时，主从句根据各自所发生的时间选用虚拟语气形式。 If you had taken my advice yesterday, you would be much better now.
cry If Iwere _____ alone, I would __________ ________. and if I were ______ with you, I'd be home and dry. and if I go insane, Will you still let me join in with the game?
Let’s put it into use.
------ A conversation about a
love story
Tom
Peter
Tom: Hi, Peter. Why do you look upset. What’s wrong? Peter: Jane refused to marry me. had accepted (accept ) me yesterday, I If she ____________ ________________(be) the happiest man. would have been were (be) you, I Tom: Cheer up, Peter! If I ______ ____________(send ) her another bunch of roses right would send now. Peter: Oh, yes! That’s a good idea! Tom: May you succeed! marry Peter: Oh, Jane, please marry me!If you should ___________ _________________________(marry)me tomorrow, you / were to marry/married ___________(do) what you like. could do
were swan(天鹅), I'd be gone. If I _____a If I were _____ a train, I'd be late. were a good man, And if I _____ I'd talk with you more often than I do. were to sleep, Icould If I _____ _____ _____. dream were afraid, I could If I _____ ______ _____. hide If I go insane, please don't put your wires in my brain.
表示将来情况的虚拟
美人鱼的故事
were as If Jackie Chan ______
表示现在情 况的虚拟
tall as Yao Ming, he would play __________basketball in NBA. (be, play )
表示将来情况的虚拟
should give/were to give/gave • If the God ________________________me another would tell the girl : I love you! (give,tell) chance，I___________
• • • • • • • •
If I _____the moon, I'd be cool. If I _____ a rule, I ________ _________. If I _____ a good man, I'd understand the spaces between friends. If I _____ alone, I __________ ________. and if I ______ with you, I'd be home and dry. and if I go insane, Will you still let me join in with the game?
(3)含蓄虚拟句：有些假设的条件不通过条件从句表现出来， 而是暗含在上下文或with, without; or,otherwise,but for等引出的 短语中。
卖火柴的小女孩
should become/were to become/became If I __________________________________a would be happiest human being tomorrow, I __________the girl in the world.(become,be)
were not to have/should not have/didn’t have If I___________________________(not have)an exam would have gone tomorrow morning, I______________(go)shopping
had got If I _________two rabbits yesterday, I ______________another big meal. (get,have) could have had
表示现在情况的虚拟
sold If I ________a match today, I could go ________home now.(sell,go)
1. bring ... back to life 2. get out of control 3. as far as we know 4. as follows 5. break down 6. knock out 7. rely on 8. vice versa 9. v. absorb 10.v. accompany 11.v. analyse 12.v. arise 13.n. biodiversity 14.n. breed 15.n. code 16.adj. compulsory
• If I were Tom, I would refuse. • Were I Tom, I would refuse. • If she should be interested,I will phone her. • Should she be interested,I will phone her. • If I had known you were coming,I would have met you at the airport. • Had I known you were coming,I would have met you at the airport.
should give/were to give/gave If the God ________________________me another chance，I___________ the girl : I would tell love you! were as tall as Yao Ming, he If Jackie Chan ______ would play __________basketball in NBA. should become If I ______________a human being tomorrow, I __________the happiest girl in the world. would be sold If I ___________a match today, I could go ____________________home now. had got If I _________two rabbits yesterday, I ______________another big meal. could have had
If I _____a swan(天鹅), I'd be gone. If I _____ a train, I'd be late. And if I _____ a good man, I'd talk with you more often than I do.
if虚拟语气的用法归纳
if虚拟语气的用法归纳IF虚拟语气是英语中的一种重要语法现象，主要用于表示与现实相反的假设、愿望、建议等。
它分为两种形式：if条件句和if非条件句。
以下是对IF虚拟语气用法的详细介绍：一、if条件句1. 表示与现在事实相反的假设：If + 主语+ 过去时态，主语+ would/could/might/should + 动词原形。
例如：If I were you, I would go to the party.（如果我处在你的位置，我会去参加派对。
）2. 表示与过去事实相反的假设：If + 主语+ had done，主语+ would/could/might/should + have done。
例如：If he had come to the meeting, he would have known the plan.（如果他参加了会议，他就会知道这个计划。
）二、if非条件句1. 表示建议、劝告：主语+ should/would/might/ought to + 动词原形。
例如：You should go to the party.（你应该去参加派对。
）2. 表示愿望：主语+ could/would/might + 动词原形。
例如：I wish I were a bird.（我希望我是一只鸟。
）3. 表示假设：If + 主语+ 动词过去式，主语+ would/could/might + 动词原形。
例如：If I had time, I would go to the park.（如果我有时间，我会去公园。
）三、if虚拟语气的特殊结构1. 省略if，将were、had、should等词置于主语之前：主语+ were/had/should + 动词原形。
例如：She were here, she would meet him.（如果她在这里，她会见到他。
）2. 使用倒装结构：were/had/should + 主语+ 动词原形。
虚拟语气句型
虚拟语气一、if 引导的虚拟条件句（表示与事实相反的假设）：现在：If+主语+过去式/were ，主语+should/would/could/might+动词原形过去：If+主语+had+过去分词，主语+should/would/could/might+have+过去分词过去式/were将来：If+主语+ should + 动词原形， 主语+should/would/could/might +动词原形were to + 动词原形另外：有些词，如：or ／otherwise （否则）；without （没有）；but for （要不是……）等，表示一个隐含的条件，所用的虚拟语气与if 引导的虚拟条件句结构相同注意：if 引导的虚拟条件句中，谓语部分含有were ／had ／should ，可将引导词if 省略，并将were ／had ／should 提到句首。
二、wish 之后接的宾语从句（表示不可能实现的愿望）：过去式/were （现在）Wish +（that ） had + 过去分词 （过去）would/could/might +动词原形 （将来）三、as if/as though 常与seem/look/appear 等动词连用，表示“看起来似乎……好象……”；以及if only 表示“要是……该多好啊”所用的虚拟语气结构与wish 结构相同；四、虚拟语气在名词从句中的运用：1、表示“命令”、“建议”、“要求”、“坚持”等词后所带的名词从句用虚拟语气，结构都是：（should ） + 动词原形，其中should 可以省略。
记忆口诀：insist2、动词 order +（that ）+ 主语+ （should ）+ 动词原形advise/suggest/recommend （宾语从句）require一坚持：insist 二命令：order ／command 三建议：advise ／suggest ／recommend 四要求：demand ／require ／request ／ask3、名词：advice/suggestion/order /request之后接表语从句或同位语从句，谓语部分也是用（should）+ 动词原形；4、在主语从句中：It is suggested/required/ordered/…that + 主语+ （should）+ 动词原形；It is important/strange/necessary/…that + 主语+ （should）+ 动词原形；过去式（现在／将来）五、would rather + sb. +had + 过去分词（过去）六、It is (high) time that + 主语+ 过去式鱼儿，在水中串上串下，吐着顽皮的泡泡；鸟儿从荷叶上空飞过，想亲吻荷花姑娘的芳泽。
虚拟语气
C If the parents ______at the hospital earlier after the accident, the child would have been saved.
A. arrives C. had arrived B. arrive D. has arrived
I didn’t see your sister at the meeting. If she __________, she would have met my brother. D
A. didn’t go C. wouldn’t do B. hadn’t done D. wasn’t doing
-----He is a brave man. -----Yes, I wish I _________his courage. B
A. have B. had C. will have D. would have Tom can take his car apart and put it back D together again. I certainly wish he _____me how to. A. teaches B. will teach C. has taught D. would teach
The picture exhibition bored me to death. I wish I ___________to it. A A. hadn’t gone C. didn’t go B. haven’t gone D. could not have gone
B How I wish I __________that! Everybody present was angry with me.
if的虚拟语气的用法例句
if的虚拟语气的用法例句一、if的虚拟语气简介虚拟语气是英语中一种特殊的语法现象，常用于表示假设情况、与实际情况相反的条件或无法实现的愿望等。
if引导的条件句中，根据其所表示的条件类型和时间性质，使用不同形式的虚拟语气。
二、与现在事实相反的虚拟语气1. 假设条件：如果+动词过去式（be动词用were）例句：If I were a bird, I would fly high in the sky.2. 假设条件：如果+动词过去完成时（had + 过去分词）例句：If he had studied harder, he would have passed the exam.三、与现在事实相反但可能实现的虚拟语气1. 假设条件：如果+动词过去式（be动词用were）结果：主将从现例句：If it rained tomorrow, I would stay at home.2. 假设条件：如果+动词过去完成时（had + 过去分词）结果：主将从现完成例句：If he had invited me, I would have gone to the party.四、与过去事实相反的虚拟语气1. 假设条件：如果+主语+had + 动词过去分词结果：主语+would/could/might + have + 过去分词例句：If I had known the truth, I would have made a different decision.2. 假设条件：如果+主语+had not +过去分词形式，结果也用一般过去时态例句：If we hadn't missed the train, we would have arrived on time.五、与将来事实相反的虚拟语气1. 假设条件：如果+动词过去式（be动词用were）结果：主将从现（应该+动词原形）例句：If they were here, they would help us.2. 假设条件：如果+should/were to/might/could/would + 动词原形结果：主将从现（应该+动词原形）例句：If he should call, please ask him to wait.六、虚拟语气中常用的连词和引导短语1. if: 引导条件状语从句，表示假设情况。
if 条件句虚拟语气
if 条件句虚拟语气虚拟语气是英语语法中的一种特殊语气，用来表示与事实相反或假设的情况。
在if条件句中，虚拟语气通常用来表达非真实的、假设的情况。
本文将列举10个以if条件句虚拟语气为主题的例子，并对其进行详细解释。
1. If I were rich, I would travel around the world.如果我很富有，我会环游世界。
解释：这个句子中的虚拟语气表达了对现实情况的假设，暗示说我并不富有，因此无法实现环游世界的愿望。
2. If I had studied harder, I would have passed the exam.如果我学得更努力，我就能通过考试了。
解释：这个句子中的虚拟语气表示对过去情况的假设，暗示说我没有努力学习，所以没有通过考试。
3. If I had a time machine, I would go back to the past and change some things.如果我有一台时间机器，我会回到过去改变一些事情。
解释：这个句子中的虚拟语气表达了对现实情况的假设，暗示说我没有时间机器，因此无法改变过去的事情。
4. If I were the president, I would make education free for all.如果我是总统，我会让教育对所有人免费。
解释：这个句子中的虚拟语气表达了对现实情况的假设，暗示说我并不是总统，所以无法实现让教育免费的目标。
5. If it didn't rain tomorrow, we could go hiking.如果明天不下雨，我们可以去远足。
解释：这个句子中的虚拟语气表达了对未来情况的假设，暗示说明天可能会下雨，所以无法去远足。
6. If I had known you were coming, I would have prepared a meal for you.如果我知道你要来，我会为你准备一顿饭。
虚拟语气if的用法
虚拟语气if的用法虚拟语气是英语中一个重要的语法现象，通过使用if引导的虚拟条件句来表达假设、愿望、建议或者表示与现实相反的情况。
以下是虚拟语气if的几种常见用法：1. 表达假设和假设的结果：使用虚拟语气if来表达假设和假设的结果，通常形如“If + 主语+ 动词过去式，主语 + would/could/might/could have + 动词过去分词”。
例句1: If I were rich, I would travel around the world.（假如我很有钱，我会环游世界。
）例句2: If it had rained, we could have stayed at home.（如果下雨的话，我们本来可以待在家里。
）2. 表达愿望：使用虚拟语气if来表达愿望，通常形如“If only + 主语 + 动词过去式”。
例句：If only I could speak fluent French.（要是我能流利地说法语就好了。
）3. 表达建议：使用虚拟语气if来表达建议，通常形如“If I were you, I would + 动词原形”。
例句：If I were you, I would take a break and relax.（如果我是你，我会休息放松一下。
）4. 表达对现在和过去不可能实现的条件：使用虚拟语气if来表达对现在和过去不可能实现的条件，通常形如“If + 主语 + had/could + 动词原形”。
例句1: If I had wings, I could fly in the sky.（如果我有翅膀，我就能在天空中飞翔。
）例句2: If I could play the piano, I would perform at the concert.（如果我会弹钢琴，我将会在音乐会上表演。
）总结起来，虚拟语气if的用法包括表达假设和假设的结果、愿望、建议以及对现在和过去不可能实现的条件。
if引导虚拟语气条件句PPT课件
06
总结与回顾
回顾if引导虚拟语气条件句的用法
虚拟语气在条件句中的用法
在条件句中，使用虚拟语气表示与实际情况相反的情况，或者表 示假设、猜测等。
虚拟语气的形式
虚拟语气有多种形式，包括与现在事实相反、与过去事实相反、与 将来事实相反等。
虚拟语气的时态
虚拟语气与时态有关，需要根据实际情况选择适当的时态。
况，主句用would+have+过 去分词的形式。
翻译题
01
02
03
中文
如果我知道这个消息，我 早就告诉你了。
英文
If I had known the news, I would have told you long ago.
解释
从句表示与过去事实相反 的情况，主句用 would+have+过去分词 的形式。
题目
If he _______ the money, he _______ able to buy a car.
had had; would be
答案
解释
从句表示与过去事实相反的情况，主句用would+______ rained last night,
the ground would be wet this morning.
表示与事实相反的情况
总结词
与事实相反的情况是指条件句中的假设与现实情况相 反，主句使用虚拟语气表示与实际情况的差异。
详细描述
在英语中，当if引导的条件句表示与事实相反的情况时， 主句通常使用虚拟语气。这种用法常用于表示某种假设 的情况并未实现，而是与现实情况相反。例如，“If I were you, I would not make that mistake again.” （如果我是你，我不会再犯那个错误了。）这句话表示 的是假设自己是对方，但实际上并不是，提醒对方不要 犯同样的错误。
if 的虚拟语气的用法
if 的虚拟语气的用法在英语中，虚拟语气是一种表达假设、愿望、建议等非现实情况的语法结构。
其中，if 引导的虚拟条件句是最常见和重要的虚拟语气形式之一。
if 从句中使用了虚拟语气，而主句则会采用一个相应的情态动词来表示可能性、不可能性或者必然性。
本文将详细介绍 if 的虚拟语气用法，并以具体案例进行说明。
一、表示现在或未来的条件1. 表示对现在事实的怀疑：如果 if 引导的条件从句与现实相反，则主句常使用与过去时间相关的情态动词（could, would, might），尽管从句所描述的情况是目前存在或未来发生的。
例子：If I were rich, I would travel around the world. （I'm not rich now, and maybe I won't be in the future, but this is just a hypothetical situation.）2. 表示对将来事件的假设：如果 if 引导条件从句描述某种假设，主句通常会采用与未来相关的情态动词（will, shall）。
例子：If it rains tomorrow, we will stay at home. （We don't know if it will rain tomorrow or not, so this is just a hypothetical situation.）二、表示过去的条件1. 表示对过去情况的虚拟：如果 if 引导条件从句描述了过去某个时间的事实情况，但与事实相反，那么主句通常会使用与过去相关的情态动词（could have, would have, might have）。
例子：If she had studied harder, she could have passed the exam. （She didn't study hard enough, so she failed the exam. This is a hypothetical situation that didn't happen in reality.）2. 表示无法改变的过去情况：如果 if 引导条件从句表达了对以往事件的遗憾、怀念或不同寻常反事实假设，主句通常会使用与过去相关的情态动词（could/would/should/might + 过去完成时）。
if引导的虚拟条件句
▪ If you could bear the loneliness, you might succeed.
与将来事实相反(推测将来)：if 条件句中用过去时， 或 should/were to+ 动 词 原 形 ， 主 句 用 would (should/could/might)+动词原形。
与过去事实相反：if 条件句中用过去完成时，主句用 would（should/could/might）+have+过去分词。
If引导虚拟条件句中的谓语动词变化
与将来事实相反时从句中的三种 谓语v变形：
▪ 如果她在这里，她也同意的。 ▪ If she were here, she would agree too.
to put off the match.
▪ He must have had an accident, or he
then____.
▪ [A]would have been here [B]should be
here
▪ [C]had to be here
[D]would be
there
▪ →Were she here, she would agree too. ▪ 假若明天下雨，我们只好推迟这场比赛。 ▪ If it should rain tomorrow, we should have to
put off the match. ▪ →Should it rain tomorrow, we should have
虚拟语气 -------- if 引导的虚பைடு நூலகம்条件句
if条件句虚拟语气
有关英语if条件句虚拟语气用法
if的虚拟语气用法：
1、现在时:当if引导的虚拟语气表示与现在事实相反时，主句谓语用could、would、shoul d或mi ght加动词原形，条件从句中的谓语用过去式。
2、过去时:当if引导的虚拟语气表示与过去事实相反时，主句谓语用could、would、shoul d或mi ght加have再加动词原形，
3、将来时:当if引导的虚拟语气表示与将来事实相反时，主句谓语用could、would、shoul d或mi ght加动词原形，条件从句中的谓语用过去式。
虚拟语气中，表条件的状语从句的if可以省略，但主语必须与动词易位（也就是倒装）：
If it were not for his illness, he could do better.
=Were it not for his illness, he could do better.
如果不是因为他生病，他可以做得更好。
If he had money, he would buy that villa.
= Had he money, he would buy that villa.
对将来情况的虚拟：
主句：主语＋would/should/might/could＋动词原形从句：should＋动词原形/were to＋动词原形。
对现在情况的虚拟：
主句：主语＋would/should/might/could＋动词原形从句：动词过去式
对过去情况的虚拟：
主句：主语＋would/should/might/could have＋动词过去分词从句：had＋动词过去分词。