if引导的虚拟语气PPT课件
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虚拟语气在if句的用法PPT幻灯片
8
If you had worked hard ,you would have passed the exam .
9
If they had had enough rain last year, they would have gained good harvest.
10
If he had driven more carefully yesterday, he would not have had the car accident .
13
If it were/ should be fine tomorrow , I would go to see him.
14
One years later ,maybe you will be in University
If I should visit/ were to visit/ visited my alma
11
Discover2
1.If you had worked hard ,you would have passed the exam . 2.If they had had enough rain last year, they would have gained good harvest. 3.If he had driven more carefully yesterday, he would not have had the car accident.
2
These show your good wishes or dreams. It is evident that they are not real or they can’t come true
表示说话人的愿望、假设、猜测或 建议，而不表示客观存在的事实。
If you had worked hard ,you would have passed the exam .
9
If they had had enough rain last year, they would have gained good harvest.
10
If he had driven more carefully yesterday, he would not have had the car accident .
13
If it were/ should be fine tomorrow , I would go to see him.
14
One years later ,maybe you will be in University
If I should visit/ were to visit/ visited my alma
11
Discover2
1.If you had worked hard ,you would have passed the exam . 2.If they had had enough rain last year, they would have gained good harvest. 3.If he had driven more carefully yesterday, he would not have had the car accident.
2
These show your good wishes or dreams. It is evident that they are not real or they can’t come true
表示说话人的愿望、假设、猜测或 建议，而不表示客观存在的事实。
《if的虚拟条件句》课件
首先，需要识别出真实条件句中的时间状语，如过去、现在或将来，这决定了虚拟语气的时态。然后，将真实条 件句的主语和谓语进行相应的转换，使用虚拟语气形式。例如，真实条件句“If he were here, he would help.”可以转换为“If he were here, he would help.”（如果他在这里，他会帮忙。）
虚拟语气结合使用，以增强表达的语气。
例子
03
He talked as if he had been there. （他说得好像他去过那里
一样。）
as though引导的虚拟条件句
总结词
表示“好像”或“似乎”
详细描述
as though 与 as if 相似，用于表示一种不太可能发生的情况或 虚构的情境，通常与虚拟语气结合使用。
与过去事实相反的虚拟条件句
总结词
表示与过去事实相反的情况，假 设条件与结果关系。
详细描述
使用“if+had+过去分词+主语， 主语 +would/could/might/should+ have+过去分词”的结构，表示 与过去实际情况相反的假设条件 。
与将来事实相反的虚拟条件句
总结词
表示与将来事实相反的情况，假设条件与结果关系。
《if的虚拟条件句》ppt课件
目录
• 虚拟条件句的定义和分类 • if虚拟条件句的形式和用法 • if虚拟条件句的时态 • if虚拟条件句的从句谓语形式 • if虚拟条件句的特殊用法 • if虚拟条件句与真实条件句的转
换
01
虚拟条件句的定义和分类
虚拟条件句的定义
01
虚拟条件句是一种特殊的条件句 ，表示假设或非真实的情况，与 现实情况相反。
虚拟语气结合使用，以增强表达的语气。
例子
03
He talked as if he had been there. （他说得好像他去过那里
一样。）
as though引导的虚拟条件句
总结词
表示“好像”或“似乎”
详细描述
as though 与 as if 相似，用于表示一种不太可能发生的情况或 虚构的情境，通常与虚拟语气结合使用。
与过去事实相反的虚拟条件句
总结词
表示与过去事实相反的情况，假 设条件与结果关系。
详细描述
使用“if+had+过去分词+主语， 主语 +would/could/might/should+ have+过去分词”的结构，表示 与过去实际情况相反的假设条件 。
与将来事实相反的虚拟条件句
总结词
表示与将来事实相反的情况，假设条件与结果关系。
《if的虚拟条件句》ppt课件
目录
• 虚拟条件句的定义和分类 • if虚拟条件句的形式和用法 • if虚拟条件句的时态 • if虚拟条件句的从句谓语形式 • if虚拟条件句的特殊用法 • if虚拟条件句与真实条件句的转
换
01
虚拟条件句的定义和分类
虚拟条件句的定义
01
虚拟条件句是一种特殊的条件句 ，表示假设或非真实的情况，与 现实情况相反。
if引导的虚拟语气ppt课件
2. If I were you ,I wouldn't be so proud.
二、与过去事实相反
1.If he had taken my advice, he would not have made such a mistake.
2.If I had got there earlier, I would have met her.
5.Had I known about the computer program, a huge amount of time and energy_____.
A. would have been saved B. had been saved C. will be saved D. was saved
2._____,the forest fire would have been discovered much earlier.
A. But for their care B. If they were careful C. Without their care D. If they had been more careful
If引导的虚拟条件句，即非真实条件句，表示条件 句所表示的条件根本不可能实现或实现的可能性很 小。根据动作发生时间的不同，含有非真实条件句 的复合句的主从句的谓语动词采用不同的表达方式。 具体分为三种情况：
时间
从句
主句
与现在事实相反
过去式 （be 通常用were）
should would could might
4.—The weather has been very hot and dry. —Yes. If it had rained even a drop, things would be much better now! And my vegetables____.
二、与过去事实相反
1.If he had taken my advice, he would not have made such a mistake.
2.If I had got there earlier, I would have met her.
5.Had I known about the computer program, a huge amount of time and energy_____.
A. would have been saved B. had been saved C. will be saved D. was saved
2._____,the forest fire would have been discovered much earlier.
A. But for their care B. If they were careful C. Without their care D. If they had been more careful
If引导的虚拟条件句，即非真实条件句，表示条件 句所表示的条件根本不可能实现或实现的可能性很 小。根据动作发生时间的不同，含有非真实条件句 的复合句的主从句的谓语动词采用不同的表达方式。 具体分为三种情况：
时间
从句
主句
与现在事实相反
过去式 （be 通常用were）
should would could might
4.—The weather has been very hot and dry. —Yes. If it had rained even a drop, things would be much better now! And my vegetables____.
if 虚拟语气的用法PPT课件
This is the factoryt_h_a_t/_w_h__ic_hmy father visited . • October 1 is a day t_h_a_t_/w__h_i_chwe will never
forget. • October 1 is a day _w_h_e_n_the People’s
Learning Is To Achieve A Certain Goal And Work Hard, Is A Process To Overcome Various Difficulties For A Goal
gave.
及物动词
practice
This is the reason_t_h_a_t/_w_h__ic_h_ he gave me. This is the reason_w_h_y_ he was late.
This is the factory _w__h_e_re__my father worked.
that has lightened my pathway a while. ④ Come and sit by my side if you love me, ⑤ Do not hasted to bid me adieu, ⑥ But (just) remember the Red River Valley, ⑦ And the one that (who) has loved you so
Republic of China was founded.
Enjoy a folk from Canada, and then find out lines that include attributive clause .
Red River Valley ① From this valley they say you are going, ② I will miss your sweet face and sweet smile, ③ For I know you are taking the sunshine
forget. • October 1 is a day _w_h_e_n_the People’s
Learning Is To Achieve A Certain Goal And Work Hard, Is A Process To Overcome Various Difficulties For A Goal
gave.
及物动词
practice
This is the reason_t_h_a_t/_w_h__ic_h_ he gave me. This is the reason_w_h_y_ he was late.
This is the factory _w__h_e_re__my father worked.
that has lightened my pathway a while. ④ Come and sit by my side if you love me, ⑤ Do not hasted to bid me adieu, ⑥ But (just) remember the Red River Valley, ⑦ And the one that (who) has loved you so
Republic of China was founded.
Enjoy a folk from Canada, and then find out lines that include attributive clause .
Red River Valley ① From this valley they say you are going, ② I will miss your sweet face and sweet smile, ③ For I know you are taking the sunshine
if条件句中虚拟语气用法PPT课件
与将来事实相反的虚拟语气
表示与将来实际情况相反的情况，使用“would+动词原形”的形 式。
虚拟语气的使用场景
表达假设或虚构的情况
文学作品中的表达
当需要表达与实际情况相反的情况时， 可以使用虚拟语气来强调这种假设或 虚构的情境。
在文学作品中，虚拟语气常常被用来 表达作者对人物、情节或情感的虚构 和想象。
03 if条件句中虚拟语气的用 法
表示与事实相反的情况
1 2
结构
if+虚拟语气+主句
例子
If I were you, I would take the job. (如果我是 你，我就会接受这份工作。)
3
解释
此句表示“如果我是你”，但实际上“我不是 你”，所以使用虚拟语气。
表示主观愿望和假设
01
语气一致性
在if条件句中，虚拟语气的语气要保 持一致，即主句和从句的语气要相呼 应。
例如，在表示与现在事实相反的虚拟 语气中，主句和从句都应使用一般过 去时（would+动词原形），表示假设 的情况。
语境理解
在使用if条件句中的虚拟语气时，要充分理解语境，根据上下文判断是否需要使 用虚拟语气。
例如，在描述与将来事实相反的虚拟语气时，需要根据上下文判断是否需要使用 将来完成时（would+have+过去分词），表示与将来事实相反的情况。
if条件句中虚拟语气用法ppt课件
contents
目录
• 虚拟语气简介 • if条件句中虚拟语气的形式 • if条件句中虚拟语气的用法 • if条件句中虚拟语气的注意事项 • 练习与巩固
01 虚拟语气简介
定义与特点
定义
虚拟语气是一种特殊的动词形式 ，用来表示与实际情况相反的情 况或者假设的情况。
表示与将来实际情况相反的情况，使用“would+动词原形”的形 式。
虚拟语气的使用场景
表达假设或虚构的情况
文学作品中的表达
当需要表达与实际情况相反的情况时， 可以使用虚拟语气来强调这种假设或 虚构的情境。
在文学作品中，虚拟语气常常被用来 表达作者对人物、情节或情感的虚构 和想象。
03 if条件句中虚拟语气的用 法
表示与事实相反的情况
1 2
结构
if+虚拟语气+主句
例子
If I were you, I would take the job. (如果我是 你，我就会接受这份工作。)
3
解释
此句表示“如果我是你”，但实际上“我不是 你”，所以使用虚拟语气。
表示主观愿望和假设
01
语气一致性
在if条件句中，虚拟语气的语气要保 持一致，即主句和从句的语气要相呼 应。
例如，在表示与现在事实相反的虚拟 语气中，主句和从句都应使用一般过 去时（would+动词原形），表示假设 的情况。
语境理解
在使用if条件句中的虚拟语气时，要充分理解语境，根据上下文判断是否需要使 用虚拟语气。
例如，在描述与将来事实相反的虚拟语气时，需要根据上下文判断是否需要使用 将来完成时（would+have+过去分词），表示与将来事实相反的情况。
if条件句中虚拟语气用法ppt课件
contents
目录
• 虚拟语气简介 • if条件句中虚拟语气的形式 • if条件句中虚拟语气的用法 • if条件句中虚拟语气的注意事项 • 练习与巩固
01 虚拟语气简介
定义与特点
定义
虚拟语气是一种特殊的动词形式 ，用来表示与实际情况相反的情 况或者假设的情况。
高中英语if引导的虚拟语气公开课优质获奖课件
Situation3
If we should turn into common people some day, we would live with each other.ary future
If 从句的谓语形式 主句的谓语形式
future
1.should+do
2. did（were） 3. were to do
hands.
Unreal present
☆If we should turn into ordinary people some day, we would live happily with each other.
Imaginary future
Situation1
If I had not pulled the sword out at first, I wouldn’t have fallen in love with her.
★If I _h_a_d_t_r_e_a_su__re_d_ (treasure) her at that time, I _w_o_u_l_d_n_o_t__h_a_v_e_t_a_k_e_n___ (take) so much pain.
▲_H__a_d__I treasured her at that time, I would not have taken so much pain. （如果if虚拟条件句中的谓语部分有had，通常省略if而将 had提到句首变成倒装句）
If 从句的谓语形式 主句的谓语形式
present did（were） would/could/
should/might +do
Classic movie line 2
if条件句中虚拟语气课件PPT课件
学习心得体会
通过本课的学习，我深入了解了虚拟 语气的使用规则和应用场景，对英语 语法有了更深入的认识。
本课的学习不仅提高了我的英语水平， 也让我对英语语法产生了更浓厚的兴 趣。
在学习过程中，我遇到了一些困难， 但通过不断练习和总结，我逐渐掌握 了虚拟语气的使用技巧。
在未来的学习中，我将继续深入探索 虚拟语气在不同语境中的应用型
01
与现在事实相反的虚拟语气
表示与当前实际情况相反的情况，使用过去时态来表示。例如：“If I
were you, I would choose the latter option.”
02
与过去事实相反的虚拟语气
表示与过去实际情况相反的情况，使用过去完成时态来表示。例如：
“If I had known the answer, I would have told you earlier.”
03
与将来事实相反的虚拟语气
表示与将来实际情况相反的情况，使用过去时态或过去完成时态来表示
。例如：“If I were to do it again, I would make different
choices.”
03 if条件句中虚拟语气的用 法
表示与现在事实相反的情况
总结词
使用would+动词原形
填空题
• 题目：If he _____ the right answer, he would have won the game.
填空题
答案
01
had given
解析
02
从句与过去事实相反，表示与过去事实相反的情况，从句用“
过去完成时”。
题目
03
If she _____ more attention in class, she would have
if虚拟语态PPT课件
Key:D
第31页/共35页
Kitty talks as if she ______ on the spot. A. is B. were C. has been D. be
Key: B
第32页/共35页
Subjunctive
Mood
用在状语从句中 （一）
说明
例句
虚拟语气用在由as if 或 as though 引导的比较 方式状语从句中，其谓语 动词形式与 wish 后的宾 语从句中的谓语动词形式 相同
当虚拟条件句含有were, had, should时，可以省略if，而把were, had, should 移到主语之前，即用倒装句
第13页/共35页
If sb were sth/sb，Sb would do sth. If I were you，I would not do like that. Were I you，I would not do like that.
第14页/共35页
If sb were sth/sb，Sb would do sth. If I were you ,I would ask our teacher for advice. Were I you ,I would ask our teacher for advice.
第15页/共35页
第33页/共35页
二. 虚拟语气在as if (as though)等引导的从 句中.
They look as if they were real brothers. 他们俩看起来好像真的是亲兄弟一样。
第22页/共35页
2.表示过去的事实相反，谓语动词用过去 完成式。例如： He talks as if he had really been there. 他说得好象他当时真的在那里一样。 He talked as if nothing had happened. 他说得好像什么事情也没有发生过。
第31页/共35页
Kitty talks as if she ______ on the spot. A. is B. were C. has been D. be
Key: B
第32页/共35页
Subjunctive
Mood
用在状语从句中 （一）
说明
例句
虚拟语气用在由as if 或 as though 引导的比较 方式状语从句中，其谓语 动词形式与 wish 后的宾 语从句中的谓语动词形式 相同
当虚拟条件句含有were, had, should时，可以省略if，而把were, had, should 移到主语之前，即用倒装句
第13页/共35页
If sb were sth/sb，Sb would do sth. If I were you，I would not do like that. Were I you，I would not do like that.
第14页/共35页
If sb were sth/sb，Sb would do sth. If I were you ,I would ask our teacher for advice. Were I you ,I would ask our teacher for advice.
第15页/共35页
第33页/共35页
二. 虚拟语气在as if (as though)等引导的从 句中.
They look as if they were real brothers. 他们俩看起来好像真的是亲兄弟一样。
第22页/共35页
2.表示过去的事实相反，谓语动词用过去 完成式。例如： He talks as if he had really been there. 他说得好象他当时真的在那里一样。 He talked as if nothing had happened. 他说得好像什么事情也没有发生过。
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+动词原形
与过去事实相反
had+过去分词
should would could +have+过去分词 might
与将来事实相反
① 过去式（be 通常 用were）
② should+动词原形 ③ were to+动词原形
should would could might
.
+动词原形
7
一、与现在事实相反
1. If I knew his telephone number, I would tell you .
A. wouldn’t die
B. didn’t dieC. hadn’t Nhomakorabeadied
D. wouldn’t have d. ied
13
5.Had I known about the computer program, a huge amount of time and energy_____.
A. would have been saved
.
5
If引导的虚拟条件句，即非真实条件句，表示条 件句所表示的条件根本不可能实现或实现的可 能性很小。根据动作发生时间的不同，含有非 真实条件句的复合句的主从句的谓语动词采用 不同的表达方式。具体分为三种情况：
.
6
时间
从句
主句
与现在事实相反
过去式 （be 通常用were）
should would could might
真实条件句和 虚拟条件句
.
1
.
2
1.表示客观事实或真理
If you freeze water, it turns to ice. If you eat a lot of chocolate, you put on weight.
从句
主句
if+一般现在时，一般现在时
.
3
2.表示将来可能发生的事 If he fails in the exam, he will let his parents down. You will certainly succeed if you keep on trying.
A. But for their care B. If they were careful C. Without their care D. If they had been more careful
.
12
4.—The weather has been very hot and dry. —Yes. If it had rained even a drop, things would be much better now! And my vegetables____.
.
9
三、与将来的事实相反
1.If there were a heavy snow next Sunday, we would not go skating.
2.If she should come, I would tell her about the matter.
.
10
1. The printer is of good quality.
B. had been saved
C. will be saved
D. was saved
.
14
6.If we ____ the other road, we might have arrived here in time for the meeting.
A. take B. had taken C. took D. have taken
If it _____break down within
the first year , we would repair
it at our expense.
A. would
B. should
C. could
D. might
.
11
2._____,the forest fire would have been discovered much earlier.
从句
主句（陈述句）
if+一般现在时，一般将来时（will+动词原形）
.
4
3.给某人提建议或命令某人做某事 If you feel sleepy, go to bed. If you want to know how it works, read the
instructions.
从句
主句
if+一般现在时，祈使句
.
15
(2)单句改错
①He wouldn’t feel so cold if he was indoors. was→were
②If we had started earlier, we couldn’t had missed the
first bus. ③If he had time, he will come.
第二个had→have had→has
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16
Thank you !
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17
2. If I were you ,I wouldn't be so proud.
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8
二、与过去事实相反
1.If he had taken my advice, he would not have made such a mistake.
2.If I had got there earlier, I would have met her.