1、热点考点回顾。
一）1.语气概述语气是动词的又一种形式，通过说话人所说的话体现出说话人对某一个动作或状态所持的态度和看法。英语中有三种语气：
陈述语气——用来陈述事实，广泛用于陈述句和疑问句中。现行中学英语教材中，绝大部分句子均属陈述句语气，句中谓语动词有各种时态和语态变化。
祈使语气——用来提出请求、要求、发出命令等，只用于祈使句。
虚拟语气——用于表达一种假设情况、主观愿望、请求建议等，即所说内容与事实相反，或者实现的可能性极小，或者是假想虑拟的情况。
练习）判断下列各句属于哪种语气。
①on the way up, i am busy taking pictures.
②nike, fetch me some news*****s.
③what if i were you?
④don’t forget to turn off the light.
⑤he always takes his wife seriously.
⑥i wish i would fly to the moon.
2.条件句中条件句指主从复合句中的条件状语从句，分为真实条件句和非真实条件句两种。真实条件句表示所叙述的内容是事实，或者完全可能成为现实，句子中的谓语动词用陈述语气；非真实条件句表示所叙述的内容与事实相反或实现的可能性极小，句子中的谓语动词用虚拟语气。
（练习）判断下列各句属于哪种条件句。
①if he doesn’t hurry, he miss the bus.
②if i were you, i would accept his offer.
③if i h**e time, i will come.
④if you hadn’t come to his school, i wouldn’t h**e known you.
真实条件句真实条件句用于陈述语气，假设的情况可能发生，其中 if 是如果的意思。时态关系。
句型： 条件从句主句。
一般现在时shall/will + 动词原形。
if he comes, he will bring his violin.
典型例题。the volleyball match will be put off if it __
rain b. rains c. rained d. is rained
注意：1) 在真实条件句中，主句不能用be going to表示将来，该用shall, will.
(错) if you le**e now, you are never going to regret it.
(对) if you le**e now, you will never regret it.
2) 表示真理时，主句谓语动词便不用shall (will) +动词原形，而直接用一般现在时的动词形式。
二）非真实条件句中虚拟语气的几种情况。
a.同现在事实相反的假设条件从句用过去时态，如果是be动词时一律用。
were 主句用should( would) +动词原形。
if he were free, he would help us.
要是他有空的话，它会帮助我们的。
if he studied at this school, he would know you well.
如果他在这所学校学习的话，它会对你很熟悉。
注意：当从句的主语为第三人称单数时，谓语动词若是系动词be时，只能用were。如：
if i were you, i would try my best to grasp the chance.
要是我是你的话，我要尽力抓住这次机会。
b.表示于过去事实相反的假设条件从句用过去完成时（had done），主句用should(would) h**e+ done
if i had seen the film, i would h**e told you about it.
我如果看过这场电影，我会把电影内容告诉你了。
if i had got there earlier, i would h**e met mr. li.
如果我早点到那儿，我就会会到了李先生。
c.表示对将来事实相反的假想条件从句用一般过去时，should+ 动词原形或were to do 主句用would/should+ 动词原形。
if he should go to qing hua university, he would make full use of his time.
如果他要上清华大学的话，他就会充分利用他的时间了。
if he were to come here, he would tell us about it.
如果他要来的话，他会通知我们一声。
典型例题 what would h**e happened if youher child?
a. hadn’t helped b. couldn’t help c. wouldn’t help d. didn’t help
d.混合条件句主句与从句的动作发生在不同的时间，这时主从句谓语动词的虚拟语气形式因时间不同而不同，这叫做混合条件句。
if you had asked him yesterday, you would know what to do now.
(从句与过去事实相反，主句与现在事实相反。)
if it had rained last night (过去), it would be very cold today (现在).
if i had worked hard at school, i would be an engineer, too.
如果我在学校学习刻苦的话，我现在也会使工程师了。
if he knew her, he would h**e greeted her.
要是他认识她的话，他肯定会去问候她了。
典型例题 how i wish i had studied harder when i was in school!
if you had, you __work into late every day nowadays.
a. don’t b. wouldn’t c. didn’t d. won’t
if iwith her last summer, iwith her now.
a. worked…am getting on very well b. had worked…would get on very well
c. had worked…would h**e got on very well d. had worked…will get on very well
条件从句的省略虚拟条件句的从句部分如果含有were, should, 或had, 可将if省略，再把were, should或had 移到从句句首，实行倒装。
should he agree to go there, we would send him there.
要是他答应去的话，我们就派他去。
were she here, she would agree with us.
如果她在这儿的话，她会同意我们的。
had he learnt about computers, we would h**e hired him to work here.
如果她懂一些电脑知识的话，我们会已经聘用他来这里工作了。
注意：在虚拟语气的从句中，动词'be'的过去时态一律用"were"，不用was.
if i were you, i would go to look for him.
如果我是你，就会去找他。
if he were here, everything would be all right.
如果他在这儿，一切都会好的。
典型例题 __to do the work, i should do it some other day.
a. if were i b. i were c. were i d. was i
your address，i would h**e written to you.
a. did i know b. were i to know c. had i known d. if i should know
三）在宾语从句中的虚拟语气。
1．英语中，如：advise, ask, demand, desire, decide, insist(坚决要求) ,order, propose, request, suggest(建议) 表示请求、要求、命令或建议等意义的动词所接的宾语从句一般用虚拟语气，起虚拟语气的结构为：(should) +原形动词。
如：the teacher advised that we should make good use of every minute here.
老师劝我们要好好地利用在这儿的每一分钟。
the party asked that we should serve the people with our heart and soul.
党要求我们要全心全意地为人民服务。
注意： 如suggest, insist不表示"建议" 或"坚持要某人做某事时"，即它们用于其本意"暗示、表明"、"坚持认为"时，宾语从句用陈述语气。
the guard at gate insisted that everybody obey the rules.
判断改错：(错)you pale face suggests that you (should) be ill.
(对)your pale face suggests that you are ill.
(错)i insisted that you ( should) be wrong.
(对)i insisted that you were wrong.
典型例题 he suggested that the meetingput off.
a. not be b. should not c. wouldn’t d. be not
2. believe, expect, suspect, think, imagine等动词的否定句或疑问句中的宾语从句常用虚拟语气。其虚拟语气的结构为：
should + 原形动词。
can you believe that he should kill a tiger?
你能相信他竟杀死了一只老虎？
can you imagine that he should take the first place in the long jump contest? 你能想象得到他在跳远比赛中竟获得了第一名？
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