IF条件句中的虚拟语气(微课)课件
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If引导的虚拟语气(共13张PPT)
2. 对过去的虚拟 if条件句中的谓语动词
主句的谓语动词
had done
should/ would/ could/ might + have done
If I had known that yesterday, I would/ could/ should/ might have told you.
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, ask)
这类虚拟语气由“should+动词原形”构成，
3. If I _h_a_d_m__e_t ____ (meet) you yesterday,
wew_o_u__ld__h_a_v_e_g_o_n_e (go) to the concert
together.
对过去假设
1. If I ____ a map, I would lend it to you.
earth?
对现在假设
2. What _w_o_u_l_d_h_a_p_p_e_n__(happen) if you
_w_e_r_e_t_o_g_e_t_u_p_/_g_o_t_u_p_/_s_h_o_u_l_d__g_et_u__p____
(get up) too late tomorrow? 对将来假设
1. The teacher suggested that we (should)
have a rest. 宾语从句
主语从句
2. It is suggested that he (should) come to
英语语法If型虚拟语气PPT课件
第7页/共34页
make the right decision. If he hadn't given up then, he would have got worse injured.
After Liu dropped out of the race, China’s Internet was filled with comments that ranged from sympathy to suspicion. It is hard to imagine how much Liu suffered. Luckily, he didn't lose heart. “I never quit easily,” he said," I believe I will come back.” Yes, he made it. If he hadn't been so determined, he wouldn't have succeeded again.
与现在sk事y实.
相反的假设
1. did 2. were
would,should,could,might ＋V.(原)
第11页/共34页
虚拟语气
Case1: If型虚拟条件句
1. If I succeeded in passing the test tomorrow, I would be very happy.
第14页/共34页
She had her teeth pulled out because she ate too much candy.
If she hadn’t eaten so much candy, she wouldn’t have had her teeth pulled out.
make the right decision. If he hadn't given up then, he would have got worse injured.
After Liu dropped out of the race, China’s Internet was filled with comments that ranged from sympathy to suspicion. It is hard to imagine how much Liu suffered. Luckily, he didn't lose heart. “I never quit easily,” he said," I believe I will come back.” Yes, he made it. If he hadn't been so determined, he wouldn't have succeeded again.
与现在sk事y实.
相反的假设
1. did 2. were
would,should,could,might ＋V.(原)
第11页/共34页
虚拟语气
Case1: If型虚拟条件句
1. If I succeeded in passing the test tomorrow, I would be very happy.
第14页/共34页
She had her teeth pulled out because she ate too much candy.
If she hadn’t eaten so much candy, she wouldn’t have had her teeth pulled out.
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。
if虚拟语态PPT课件
Key:D
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Kitty talks as if she ______ on the spot. A. is B. were C. has been D. be
Key: B
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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
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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
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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。
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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。
《if引导的虚拟条件》公开课课件ppt-优秀课件
3、表示与将来事实可能相反的假设和结果
If I won the lottery one day, I would buy an expensFra bibliotekve car.
If Tom came, If Tom should come, If Tom were to come,
what should we say to him?
If条件从句 从句的谓语形式 主句的谓语形式
表示与现在 事实相反的 情况
过去式 (did/were）
would/could/ might/should +动词原形
2.表示与过去事实相反的假设或结果
如果他早起，他就不会上学迟到。
If he __h_a_d_g_o_t_u_p____ early,
he ___w_ou_l_d_n_o_t _h_av_e_b_e_e_n late for school.（与过去事实相反）
If条件从句 从句的谓语形式
主句的谓语形式
表示与将来 1.过去式（were）
事实相反的 2.should+动词原形
情况
3.were to+动词原形
should/would/
could/might +动词原形
If条件从 从句谓语形式 句
主句谓语形式
表与现在 事实
相反的情况 did (were)
would/could/should/ might + do
If I had a lot of money,
I would buy an amusement park.
Today is rainy and I have to stay at home.
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。
虚拟语气-完整版PPT课件
= Our suggestion is that you (should) be there on time
= It is our suggestion that you (should) be there on time.
= It is suggested that you (should) be there on time.
2.If I had had time, I would have stayed there. Had I had time,
3.If it should rain/If it were to rain tomorrow, I would stay at home. Should it rain tomorrow, Were it to rain tomorrow
3）. 错综时间条件句： If you had followed the doctor’s advice, you would feel better now.
条件从句谓语与主句谓语发生时间不一致时，被称为 错综时间条件句。此时主句和从句的谓语动词要依照 假设的时间而定。
If he _h_a_d__s_p_e_n_t(spend) more time practicing speaking English before, he _w_o_u_l_d_b_e____(be) able to speak it better now.
你该离开了。
should do
It’s high time( that )you left.
It’s high time( that) you should leave.
我们该下课了。 It’s time that we had a break. It’s time that we should have a break.
= It is our suggestion that you (should) be there on time.
= It is suggested that you (should) be there on time.
2.If I had had time, I would have stayed there. Had I had time,
3.If it should rain/If it were to rain tomorrow, I would stay at home. Should it rain tomorrow, Were it to rain tomorrow
3）. 错综时间条件句： If you had followed the doctor’s advice, you would feel better now.
条件从句谓语与主句谓语发生时间不一致时，被称为 错综时间条件句。此时主句和从句的谓语动词要依照 假设的时间而定。
If he _h_a_d__s_p_e_n_t(spend) more time practicing speaking English before, he _w_o_u_l_d_b_e____(be) able to speak it better now.
你该离开了。
should do
It’s high time( that )you left.
It’s high time( that) you should leave.
我们该下课了。 It’s time that we had a break. It’s time that we should have a break.
IF条件句中虚拟语气(微课)PPT课件
03 if条件句中虚拟语气的用 法
表示与事实相反的情况
结构
与现在事实相反，从句用“if+主 语+动词过去式”，主句用 “would+动词原形”。
举例
If I were you, I would choose to study abroad.（如果我是你，我 会选择出国留学。）
表示假设条件
结构
假设条件句可以用“if+主语+动词过 去式+其他”，表示在假设条件下可 能发生的情况。
虚拟语气与其他从句的区别
虚拟语气在if条件句中的用法与其他从句有所不同，需要注 意区分。
例如，与if条件状语从句相比，虚拟语气在表达与事实相 反的情况时，主句和从句的谓语动词形式会有所不同；与 if时间状语从句相比，虚拟语气更加注重假设和想象，而 非真实的时间顺序。
05 if条件句中虚拟语气的练 习与巩固
在主句和从句中，时态的一致性是虚 拟语气的基本要求，否则会导致语法 错误或语义混淆。
主从句时态对应关系
在if条件句中，虚拟语气的主句和从句时态有一定的对应关系 。
如果主句是虚拟现在时，从句通常也是虚拟现在时；如果主 句是虚拟过去时，从句通常也是虚拟过去时；如果主句是虚 拟将来时，从句通常也是虚拟将来时。
02 if条件句中虚拟语气的形 式
与现在事实相反的虚拟语气
总结词
表示与现在事实相反的情况，通常使用动词的过去式。
详细描述
在if条件句中，当表示与现在事实相反的情况时，从句使用动词的过去式（be动词 用were），主句使用would+动词原形。例如，“If I were you, I would choose to study abroad.”（如果我是你，我会选择出国留学。）
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should /
were to might do/should
do/v-ed
动词原形
have done
动词原形
Imagine if you could change your sex, what would you do? Form a report using the “if” subjunctive mood.
STAR
The Subjunctive Mood In If Clauses
虚拟语气在if条件句中的用法
吉水二中 刘慧颖
If I were a boy
If I were a boy I think I could understand How it feels to love a girl I swear I'd be a better man
The Subjunctive Mood In If--clauses
01
Contrary to the present
02
Contrary to the past
03
Contrary to the future
如果我是一只鸟
If I were a bird, I would have two wings; If I had two wings, I would fly high in the sky;
THANK YOU
If Jack hadn't been on the Titanic, he wouldn't have met Rose.
If 从句的谓语形式
主句的谓语形式
had (not)+ done
would/could/should/might (not) + have done
If Jack hadn't met( not meet) Rose, they wouldn't have fall(ennot fall) in love with each other.
If 从句的谓语ቤተ መጻሕፍቲ ባይዱ式
主句的谓语形式
动词过去式 （be 一律用were）
would/could/should/might （not）+ 动词原形
---Mom, if I were (be) you, I wouldn't (not ask)
my son to study at weekends. ask ---Unfortunately, you are not.
If I have/had
(have) a million pound then,
I
would buy
(buy) whatever I want.
If 从句的谓语形 式
主句的谓语形式
动词过去式 与现在 （be → were） 事实相反
would /
could/
与过去 事实相反
与将来事实 相反
had done
If 从句的谓语形式
Were to do/should do/v-ed
主句的谓语形式
Would/should/could/might do
If the doomsday were to come/should come/came, I would love you still.
were to have/should
I‘d listen to her
By beyonce
What is subjunctive mood？
Subjunctive mood is a special form of verbs.
They refer to a wish that can't be true. (指的是一些不能实现的愿望)