经典英语语法：虚拟语气.ppt
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高中英语语法之虚拟语气(ppt课件3份)
If I won the lottery, I would/ could/ should/ might …
If I won the lottery, I could travel around the world.
If I were a boy, I would/ could/ should/ might…
(2) If you had____f_o_ll_o_wed_____(follow)my advice, you wo___u_ld__o_v_e_r_c_o_me___
(overcome) all the difficulties now.
(3) If the weather had____been_____(be) finer, the crops would be growing
？
• He walks as if he were drunk.
• If only I were a bird!
what if...
要是...怎么办
If only...
要是...就好了
as if/ though... 好像...
• If only we had followed your advice!
什么是虚拟语气？
假如我是一个男孩, 我就能明白爱上一个女孩是多么美妙。
英语动词的三种语气： 祈使语气、 陈述语气和虚拟语气 虚拟语气：表示说话人所说的话不是事实，而是一种假设、愿望
、 怀疑或推测。
是不是if引导的条件句都要用虚拟语气？
什么时候用虚拟语气？
√ × √
？
？
？
什么时候用虚拟语气？
当if引导的条件句的事情发生的可能性_极___小____ ，就用虚拟语气； 当if引导的条件句的事情发生的可能性_较____大___， 不用虚拟语气。
If I won the lottery, I could travel around the world.
If I were a boy, I would/ could/ should/ might…
(2) If you had____f_o_ll_o_wed_____(follow)my advice, you wo___u_ld__o_v_e_r_c_o_me___
(overcome) all the difficulties now.
(3) If the weather had____been_____(be) finer, the crops would be growing
？
• He walks as if he were drunk.
• If only I were a bird!
what if...
要是...怎么办
If only...
要是...就好了
as if/ though... 好像...
• If only we had followed your advice!
什么是虚拟语气？
假如我是一个男孩, 我就能明白爱上一个女孩是多么美妙。
英语动词的三种语气： 祈使语气、 陈述语气和虚拟语气 虚拟语气：表示说话人所说的话不是事实，而是一种假设、愿望
、 怀疑或推测。
是不是if引导的条件句都要用虚拟语气？
什么时候用虚拟语气？
√ × √
？
？
？
什么时候用虚拟语气？
当if引导的条件句的事情发生的可能性_极___小____ ，就用虚拟语气； 当if引导的条件句的事情发生的可能性_较____大___， 不用虚拟语气。
虚拟语气讲解课件ppt.ppt
虚拟语气
虚拟语气在：在宾语从句中
[例句]
1. I wish she would be on my side. 我希望她能站在我一边。
2. I wish I were 10 years younger. 我但愿自己能年轻十岁。
3. I wish (that) you would get a good job. 我希望你能找到一个好职业。
• He insisted that he was right. 他坚称他是正确的。
认识到了贫困户贫困的根本原因，才 能开始 对症下 药，然 后药到 病除。 近年来 国家对 扶贫工 作高度 重视， 已经展 开了“ 精准扶 贫”项 目
虚拟语气
虚拟语气在：在宾语从句中
• 在would (had) rather(宁愿) 引导的宾语从句中
[例句] • It’s necessary that we should have a walk now.
我们有必要出去散散步。
• It’s natural that she should do so. 她这样做是很自然的。
1. It’s important that we should take good care of the patient. 重要的是我们要照顾好病人。
一、在条件从句中 (叫虚拟条件句)，表示与事实相反 的条件。分三种情况(以 do 为例)：
认识到了贫困户贫困的根本原因，才 能开始 对症下 药，然 后药到 病除。 近年来 国家对 扶贫工 作高度 重视， 已经展 开了“ 精准扶 贫”项 目
虚拟语气
虚拟语气在 在条件从句中
[例句]
• If you had come a few minutes earlier, you would have met him.
高中英语高考高考英语语法总复习课件：虚拟语气 (共82张PPT)
【例11】 When a pencil is parted in a glass of water, it looks as if it _____(break)_. 【例12】 Eliza remembers everything exactly as if it ______ (happen)yesterday.
主句 would/should/could/might
If he didn’t come tomorrow, we would put off the meeting.
主过将从过， 主过将完从过完 would do/did would have done/had done
【例1】 If we ______ (take)the other road, we might have arrived here in time for the meeting.
【例13】 Look at the terrible situation I am in! If only I ______ (follow)your advice. 知识扩展：follow/take sb's advice
【例13】 Look at the terrible situation I am in! If only I had followed (follow)your advice. 知识扩展：follow/take sb's advice
做题时注意：动词的形式根据它所表示的时间作出相应的调整
一分为二，先找时间再判断时态。
【例4】
If we ______ （book）a table earlier, we couldn’t be standing here in a queue.
英语语法专题：虚拟语气课件(20张ppt)
背景知识:
语气:谓语动词的一种形式,表示说话人的态度和意图.
分类:陈述语气(现实,符合事实)
祈使语气(说话人的建议,请求,命令,邀请)
虚拟语气(动作或状态不是事实,或者是不可能发生的情况,
而是说话人的一种愿望,建议,命令,假设或推测)
e.g. I am a student, so I study hard. 陈述
注2:错综时间条件句
如果虚拟条件主句和从句的动作发生的时间不一致,主句和从句的
谓语动词要根据各自所指的不同时间选择适当的动词形式, 如:
If I were you, I would not have missed the film last
night.
(现在----过去)
If they had started in the early morning, they would arrive in half
“If I could… ,I would…. ” or
“If I were …,I would….”
二. 虚拟语气在名词性从句中的用法 (主，宾，表，同位）
1.宾语从句 a. wish+宾语从句，表示很难实现的愿望
现在 过去 将来
过去式（be动词用were)
过去完成时，或could/would +have done could/would +动词原形
A. was worried
B. should be worried.
4. The teacher insisted Tom ______ to Lily, but Tom insisted
3. If you had come yesterday, you would have met him.
语气:谓语动词的一种形式,表示说话人的态度和意图.
分类:陈述语气(现实,符合事实)
祈使语气(说话人的建议,请求,命令,邀请)
虚拟语气(动作或状态不是事实,或者是不可能发生的情况,
而是说话人的一种愿望,建议,命令,假设或推测)
e.g. I am a student, so I study hard. 陈述
注2:错综时间条件句
如果虚拟条件主句和从句的动作发生的时间不一致,主句和从句的
谓语动词要根据各自所指的不同时间选择适当的动词形式, 如:
If I were you, I would not have missed the film last
night.
(现在----过去)
If they had started in the early morning, they would arrive in half
“If I could… ,I would…. ” or
“If I were …,I would….”
二. 虚拟语气在名词性从句中的用法 (主，宾，表，同位）
1.宾语从句 a. wish+宾语从句，表示很难实现的愿望
现在 过去 将来
过去式（be动词用were)
过去完成时，或could/would +have done could/would +动词原形
A. was worried
B. should be worried.
4. The teacher insisted Tom ______ to Lily, but Tom insisted
3. If you had come yesterday, you would have met him.
高中英语语法讲解——虚拟语气(共49张PPT)
ቤተ መጻሕፍቲ ባይዱ
与现在 从 句 did,were, V-ed 事实相反 主 句 would(should,could,might)+v.
与过去 事实相反
从 句 had+V-ed/been 主 句 would(should,could, might)
+ have+v-ed
对未来的 从 句 were to/should+ v 虚拟推测 主 句 would(should,could,might)+v.
--I don’t think he should have done the favor for you. 我觉得他是不会帮你忙的。
1.3. 虚拟语气用于主语从句
1.3.1.
句型
1.表达虚拟语气的主语从句的一般形式为：
It is/was +引起虚拟语气的形容词或过去分 词+含虚拟语气的主语从句
但愿你没有那样说。
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。
1.2.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.
与现在 从 句 did,were, V-ed 事实相反 主 句 would(should,could,might)+v.
与过去 事实相反
从 句 had+V-ed/been 主 句 would(should,could, might)
+ have+v-ed
对未来的 从 句 were to/should+ v 虚拟推测 主 句 would(should,could,might)+v.
--I don’t think he should have done the favor for you. 我觉得他是不会帮你忙的。
1.3. 虚拟语气用于主语从句
1.3.1.
句型
1.表达虚拟语气的主语从句的一般形式为：
It is/was +引起虚拟语气的形容词或过去分 词+含虚拟语气的主语从句
但愿你没有那样说。
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。
1.2.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.
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
虚拟语气-(共51张)PPT课件
A. Were B. should C. would D. will
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If you had followed my advice, you would be
able to finish the work now. 如果你当时听了我的话，现在就能完成这份 工作了。 （从句说明过去，主句说明现在。）
时 间 If 条件句
主句
过去
现在
将来
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一、一般条件句中的虚拟语气
时 间 If 条件句
主句
过去
had done
would should could might
+have done sth
现在
would
助动词 be用 were should 实义动词 do 用 did could
might
+ do sth
Without your help, we D____ such rapid progress.
A. couldn’t make B. wouldn’t make
C. will not have made D. wouldn’t have made
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名词性从句中的虚拟句
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宾语从句中的虚拟语气
句式一：wish后面宾语从句中的虚拟语气，表示
与事实相反的愿望。其表达形式一般是将从句的谓
语动词退后一个时态。例如:
1)与现在事实相反 : wish + (that)+did(were)
I wish I were as healthy as you.
A.could take B.would take
C.will have taken D.would- have taken
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.
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C. avoid using D. avoided using
【分析】 该题有两个考点，一是
propose后的宾语从句要用虚拟语气动
词形式，二是avoid一词后要用动名词
作宾语。故选C。
..。..
7
例3 Had you not helped me with my English, I to pass the final examination.
A. might fail B. might have failed
C. shall fail D. would fail
【分析】 当if从句中有were, should和
had等词时，可以省略if， 同时把were,
should, had放到主语前面形式倒装。从句
中的had…not helped表明该句是与过去事
It has been decided that the sports meet(should)be put off till next month.
..。..
10
高中学生掌握一门外语很有必要。
It is necessary that a high school student should master a foreign language.
去完成式表示与过去事实相反 。
..。..
3
（3） 在表示提议、要求、命令、决定等 动词如suggest, decide, require, request, demand, propose, insist, order等）后的宾语从句中谓语动词常用 “should+动词原形”。Should常被省略。
与将来 事实相反
过去式/should + 动词原形/ were to+动词原形
..。..
would (should, could, might) +动词原形
2
2、虚拟语气在宾语从句中的用法
（1）在动词wish后的宾语从句中，表示与现 在或过去的事实相反，或对将来的主观愿望， 从句通常省略连词that。
2. I wish I __h_a_d_m__e_t___(meet)him yesterday.
3. I wish it __w_o_u__ld__b_e_(be) fine tomorrow.
4. He ordered the work ( _sh__o_u_ld__)_b_e__st_a_r_t_ed__ (start) at once.
例: It is desired that we(should) get
everything ready by tonight.
..。..
9
他那样说话，令人吃惊。
It is strange that he(should) say so. 真遗憾，你失去了这么好的机会。 It is a pity that you(should) miss a good chance. 已经决定了把运动会推迟至下个月。
我的想法是在接受前仔细想想。
My idea is that we should think it over before accepting it.
【分析】 通过if从句中谓语动词“I
were”可判断出，该句是与现在事实相
反的虚拟条件句。主句用“would+动词
原形”。故选答案D。
..。..
6
例2 The doctor proposed that my
brothห้องสมุดไป่ตู้r
his right hand.(97)
A.avoid to use B. should avoid to use
The Subjunctive Mood
虚拟语气
Revision :
..。..
1
形式情况 与过去事 实相反
与现在事 实相反
条件从句
had+动词过去 分词
过去式(be用 were)
主句
would(should, could,might)+ have +动词过 去分词
would(should, could,might)+ 动词原形
1）表示对现在情况的虚拟：从句动词用过去 式或过去进行式（be动词一般用were）。
2）表示对过去情况的虚拟：从句动词常用 “had＋过去分词”或 “would, could, might +have done” 。
（2） 在主语＋would rather ＋that 宾语从
句中，从句谓语用过去式表示现在或将来，用过
5. I’d rather you _s_t_a_y_e_d___(stay) at home all day today.
..。..
5
D、试题详解
例1 、If I were you, I
to
the cinema with her.(96)
A. went
B. have been
C. had been D. would go
实相反的假设，因此要选B。
..。..
8
虚拟语气在主语从句中的用法
① It is desired （suggested requested, ordered, demanded…) + that…; ② It is strange (necessary, possible, important, surprising,natural…) +that…; ③ It is a pity ( no wonder…) + that… 等结构后的主语从句中的谓语动词用should +动词原形，should常被省略。
..。..
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虚拟语气在表语从句和同位语从 句的用法
在suggestion, proposal, order, idea, news, request,advice, demand, plan 等名词后面的表语 从句中的谓语动词用should+动词 原形，should常省略。
..。..
12
例 My suggestion is that we (should) do the experiment again.
一个坚持（insist）,两个命令（order, command）,三个建议（ suggest, advise, propose）,四个要求 （ ask,demand request, require）
..。..
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Revision :
1. He is not a pilot, but he wishes he _w_e_r_e__ (be).