高考英语虚拟语气(23张ppt)

考题点击：
1.I went to bed early last night,but I wish I B so. A. didn’t do B. hadn’t done C.haven’t done D. couldn’t do 2.How I wish every family ____a B large house with a beautiful garden. A.has B.had C.will had D.had had 3. The teacher ordered that students_______. B A. mustn’t smoke B. not smoke C. smoked D. had smoked D before 4.The teacher demanded that the work _____ 4 o’clock. A. finished B. finish C. should finish D. be finished
考题点击：
1. Is it necessary that he _____ D the examination? A. takes B. has to take C. must take D. take B you this. 2. It is strange that he _____ A. would tell B. should tell C. had told D. has told B in the 3.It was ordered that no smoking ____ library. A. should allow B. be allowed C. will be allowed D. is allowed
I was ill that day. Otherwise, I would have taken part in the sports meet.
He telephoned to inform me of your birthday, or I would have known nothing about it .
三、主语从句中的虚拟语气
四、表语从句、同位语从句中的虚拟语气 五、几种特殊的虚拟语气
一、非真实条件句所表的假设则是不可能或不大可能发生或实 现的， 句中的条件从句与结果主句皆用虚拟语气。
if条件从句的谓语形式
与现在 事实相 反 与过去 事实相 反 与将来 事实相 反 If 主语＋did（be用were）
形容词:important, necessary, natural, right,proper,
funny, strange, surprising…
It is necessary that we (should ) have a walk now. It's important that we (should) take good care of the patient. 3. It be+名词（ a pity/a shame/ no wonder） that… + (should)+动词原形+…
注意: suggest表 暗示表明 时 insist表坚持认为，坚 持说时不用虚拟语气
He ordered that the students (should) wash the clothes every week by themselves. The doctor suggested that she (should) have an operation at once.
D such rapid progress. 2.Without your help, we ____ A. couldn’t make B. wouldn’t make C. will not have made D. wouldn’t have made
C yet, otherwise he would have phoned me 3.Jack ____ A. mustn’t have arrived B. shouldn’t have arrived C. can’t have arrived D. needn’t have arrived
A. asked … would know B. had asked … would have known
C. asked him … know D. had asked … would know
注意4.
含蓄虚拟条件句
有时为了表达的需要，在虚拟语气中并不总是出 现if引导的条件句，而通过其他代替条件句。
问句中用的是虚拟语气，主句用 would have called, 从句 中与过去相反的动词形式为 had done；答句中表示的是 真实的情况，所以该用陈述语气。
注意2.虚拟倒装句
1.Were it (=If it were) not for their help,we couldn’t have got over the difficulties. 2.Had I (=If I had) known about it,I would have told you.
高三语法复习
虚拟语气
Subjunctive Mood
一、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。
一、非真实条件句中的虚拟语气 二、宾语从句中的虚拟语气
1). If only he could come! (他要能来就好了) = How I wish he could come! 2). If only I had known the answer! (我要早知答案 就好了.)=How I wish I had known the answer! 比较if only与only if （只有） I wake up only if the alarm clock rings. 只有闹钟响了，我才会醒。 If only the alarm clock had rung. C quietly as the doctor instructed, he would If only he ___ not suffer so much now. A. lies B. lay C. had lain D. should lie
(lie 躺，lay, lain)
2. 在某些动词后的宾语从句中需用should+动词 原形的虚拟语气形式。“should”可以省略。 常见的动词有:一个坚持insist; 两个命令order, command ; 三条建议suggest , advise, propose; 四项要求demand, request, require, desire;
I wish I_______ (be) as tall as you. were had studied (study) harder before. I wish I __________ I wish it would rain (rain) tomorrow
If only +从句!=How I wish+从句! 要是就好了
二、宾语从句中的虚拟语气
1.“wish +宾语从句” “if only +句子” 用在虚拟语气中, 表不能实现的愿望
wish + 1一般过去式
宾语从句
（表“现在的假设”) 2. would/could do (表“将来的假设”) 3. had done 或would/could have done （表“过去的假设”)
C as far as the river bank?ห้องสมุดไป่ตู้What would have happened, _____
注意3.错综条件句
(主从句描述的时间不一致）
hadn’t bought If you _____________ (not buy) the ticket last week, how would _______ you go now? If I were ____ (be) you, I would _________________(take) his have taken advice then. D what to do now. If you _____ him yesterday, you _____
三、主语从句中的虚拟语气 基本句型： 1. It be+过去分词+that…+(should)+动词原形+… 过去分词：suggested, requested, ordered, proposed…
It is required that nobody (should) smoke here. It’s suggested that everybody (should) buy a dictionary. 2. It be+形容词+that…+(should)+动词原形+…
3.Should anyone (=If anyone should )call, please take
a message.
(01 上海) A. Bob had walked farther C. had Bob walked farther B. if Bob should walk farther D. if Bob walked farther
But for your help, I would not have succeeded.
Without you help, I wouldn’t have achieved so much.
D much longer time. I went by plane; otherwise I ____ A.could take B.would take C.will have taken D.would have taken
主句的谓语形式
主语＋ should/would/could/ might do
If 主语＋had +动词过去分词 主语＋ should/would/could/ might have done If 主语＋did（be用were） 主语＋ ＋should＋动词原形 should/would/could/ ＋were to＋动词原形 might do
注意1、陈述语气与虚拟语气
典型例题
1) The volleyball match will be put off if it _____. B
A.
will rain
B. rains
C. rained
D. is rained
该句为陈述语气，因为主句用的是 will be put off。真实 条件句主句为将来时，从句用一般现在时代将来时。
2) --- Would you have called her up _____ A possible?
--- Yes, but I _____ busy doing my homework. A. had it been … was B. if it was … were C. if it had been … had been D. if it were … would be
考题点击： B 1. I am not free today. If I ___free today , I __ and visit some of my friends . A. am will go B. were , would go C. shall be D. be , must go A here last Saturday, he __ me from 2. If my lawyer ___ going . A. had been , would have prevented B. had been, would prevent C. were, would prevent D. were, would have prevented 3.If I were to see Tom, what ___ C you ___ me to tell him? A. are ,going to ask B. do , ask C. would , ask D. did, ask