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1、(文末附答案)高中英语虚拟语气笔记重点大全单项选择题(经典例题高频考点-名师出品必属精品)1、一 If I my dog run out in the street, it wouldnt have been injured by the car.Dont blame yourself any more. Owning a pet is a tough job.A . hadnt letB . didnt letC . wouldnt letD . wouldnt have let2、Our teacher recommends that we as attentive as possible
2、 when we visit the museum.A . areB . shall beC . ought to beD . be3、 一What a pity! You missed my birthday party.Terribly sorry!my uncle not visited me unexpectedly.A . ShouldB . WouldC . HadD . Did4、The manager demanded that the workers the task ahead of schedule.A . accomplishingB . accomplishedC .
3、 accomplishD . to accomplishIf it rain tomorrow, I should not drive my car.A . were toB . willC . wouIdD . is toHis suggestion to see the exhibition interested every one of us.A . that we goB . which we should goC . that we would goD . when we should go7、If she generous as she makes out $ she would
4、have donated more money in the catastrophe.A . had beenB . wereC . didnt survivedD . wouldnt survive68、She remembered everything in childhood they had just happened.A . as ifB . so long asC . even ifD . now that 69、Had it not been for your practical advice, we such great achievements.A . would makeB
5、 . wouldn, t have madeC . didn1 t makeD . hadn* t made70、The guard of the meeting insisted that everybody the rules.A . obeysB . would obeyC . will obeyD . obey10(文末附答案)高中英语虚拟语气_030参考答案1、答案:A解析:考查虚拟语气。句意:如果我没有让我的狗在街上跑,它就不会被汽车撞伤了。别再自责了。养宠物 是一项艰巨的工作。根据下文it wouldnt have been injured by the car可知表示与过去事实
6、相反的情况。其句 型为“if +主语+动词的过去完成时,主语+would / could / should / might + have +动词的过去分词”。故 选Ao小提示:if引导虚拟语气.表示与现在事实相反的情况,其句型为“if+主语+动词的过去式(be动词用were),主语+would / could / might / should + 动词原形 o 如:If the weather were fine, we would go to Shanghai.如果天气好,我们就去上海。(事实上天气不好)If they had time, they would / could / might
7、 go with me.如果他们有时间,他们就会(可能)和我一起去。1) .表示与过去事实相反的情况。其句型为“if +主语+动词的过去完成式,主语+would/could/should/ might + have +动词的过去分词”。如:If I had taken his advice, I shouldnt / wouldnt / couldnt have made such a mistake.如果我按照他的建议去做,我一定不会(不可能)犯这样的错误。3),表示与将来事实可能相反的假设和结果,其句型为“if +主语+动词的过去式/ should +动词原形/ were to +动词原形
8、,主语+would / could / might / should +动词原形 o如:The glass would break if you dropped it.杯子摔下来会打破的。(事实上没有摔下来)If it should rain, the crops would / could / might be saved,假如天下雨,庄稼就一定(有可能)会得救。112、答案:D解析:考查虚拟语气。句意:老师建议我们参观博物馆时,要尽可能地专心。根据句子分析可知,recommend表“建议”,后跟宾语从句,从句中谓语动词应用”(should)+do”,应选D。3、答案:C解析:考查虚拟语气。
9、句意:真可惜!你错过了我的生日聚会。非常抱歉!要是我叔叔没有突然来看我,(我就不会错过你的生日聚会了)。根据语境该句补充完整为:my uncle not visited unexpectedly, I wouldn1 t have missed your birthday party.该句表示对过去事情的虚拟,条件句局部应用had done形式。在 虚拟条件句中,从句中有助动词had时,可将if省略,had提前,故C选项正确。4、答案:C解析:考查虚拟语气。句意:经理要求工人们提前完成任务。动词demand意为:要求,其宾语从句的谓语动词由 ”(should)+动词原形”构成,其中should
10、可省略,应选C项。5、答案:A解析:考查虚拟语气。句意:如果明天下雨,我应该不会开我的车。分析句子结构可知,本句考查if引导的虚拟语气, 根据tomorrow判断此处是与将来事实相反,故用were to/should + do,应选A项。6、答案:A解析:12 考查同位语从句和虚拟语气。句意:他提议去看美术展,这使我们每个人都很感兴趣。分析句子可知“to see the exhibition为同位语从句,补充说明主语suggestion,故用that引导。此处suggestion译为“建议”,其 后从句使用虚拟语气,结构为:主+should do, should可以省略。应选A项。7、答案:B
11、解析:考查虚拟语气。从句首的if (如果)与主句的would have done (早就做)可判断此题考查虚拟语气,并且根 据主句时态可以判断是与现在事实相反的假设,所以if从句用一般过去式,be动词要用were。虚拟语气中,be动词的一般过去时只能用were不能用was,应选B。小提示:If条件句引导的虚拟语气,一般有三种形式。与现在事实相反:If +主语+did(be用were),主语+would/should/might/could+动词原形。与过去事实相反:If +主语+had done,主语+would/should/might/could + have doneo 与将来事实相反:
12、If + 主语+were to do/should do,主语+would/should/might/could+动词原形。虚拟语气做题方法是在正常时态上往前推一个时态,用往前推了时态 表达虚拟的不真实性。只要学生记住我们上边列出的这三种形式,做题是轻而易举的。8、答案:A解析:考查虚拟语气。句意:如果今天出发,他周五就可以到达那所大学,这样就可以确保他的演讲。根据He would get to the university by Friday判断此处考查与现在事实相反的虚拟语气,从句应用一般过去时,即if he were to leave,又从句中有were时可省略if将其提到句首,即wer
13、e he to leave,应选A项。小提示:此题考查非真实条件状语从句中虚拟语气的省略13If引导的虚拟条件状语从句中,如有were,的d(助动词),should时可省略if,再提前were, had, should。例如:1) .If I were you, I would choose to stay at home. Were I you, I would choose to stay at home.2) .If it should snow tomorrow, I would make a snowman. Should it snow tomorrow, I would make
14、 asnowman.3) . If you had followed my advice, you would be better now. Had you followed my advice, you would be better now.9、答案:C解析:考查虚拟语气中省略if的倒装。句意为:如果雨停了的话,庄稼将会得救。根据语可知,本句是对将来情况的 假设,因此从句的谓语动词可用should +动词原形。如If条件句中如有were,should或had时,可把if省略, 并把were,should或had提到主语的前面,使用倒装语序。因此此句可用“should +动词原形”。从句为省
15、略 if将should提前构成的倒装。应选A。小提示:If虚拟条件句:虚拟语气是说话人为表达一种假设,或一种主观愿望,即认为动词所表示的动作或状态并非真实或 仅是主观设想时所用的动词形式.与过去事实相反的:if从句用主语+had done,主句:主语+would/could/might/have doneIf you had got up earlier, you could have caught the train,如果你早一点起床, 就会赶上火车的。与现在事实相反的:if从句用主语+did/were,主句主语+would/could/might doIf I had time now,
16、I would study French,如果我现在有时间,我会学习法语的。与将来事实相反的if从句用主语+一般过去时/were to do /should do,主句用主语+should /would/could do14If 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If she knew English,she would not ask me for help,如果她懂英语的话,她不会找我帮助的。If it should be fine tomorrow,! would go shopping.如果明
17、天天气好,我就去买东(4)lf虚拟条件句的倒装形式,省略连词if。英语中,如果虚拟条件从句中有助动词或情态动词were, had或should,可以把if省略,把而把 were, had, should放到主语之前,构成主谓倒装。Had you asked me, I would have told you. (=lf you had asked me,)如果你问我,我会告诉你。Were he to come here(=lf he were to come here), he would tell us about it.如果他来这里,他会告诉我们这件事。Should it be fine
18、tomorrow(=lf it should be fine tomorrow) ,1 would go shopping.如果明天天气好,我就去购物。10、答案:D解析:考查虚拟语气。句意:没有他那鼓舞人心的经历,法拉第就不会发现电磁感应。根据题干中的without可知本 句是含蓄条件句,相当于if引导的虚拟条件从句,所以其主句的谓语动词那么用相应的形式。根据语境Without his inspiring experiences “没有他那鼓舞人心的经历”,可知是对过去情况的否认虚拟,所以主句的谓语动词 需用 would/could/might/should have done。应选 Do1
19、L答案:A解析:考查虚拟语气。句意:老师要求他每天早上上交家庭作业。requests后面的宾语从句要用虚拟语气,谓语动词15用(should) +动词原形。应选A项。12、答案:C解析:考查虚拟语气。句意:我本来可以早一点来,但我真不知道他正在等我。由“butldidn,t know he waswaiting for me.*1可知,“我”事实上并没有早点来,因此可推知第一句应该是一个虚拟语气的句子。因为讲 述的是过去的事情,所以句子应借助于“would+have+过去分词”的形式。本句可以理解为:I would have come sooner if I had known that he
20、 was waiting for me.应选 Co小提示: 此题考查虚拟语气。解答此类题目首先根据上下文语境找到隐藏的条件,转换成if条件句中的虚拟语气来理解, 然后判断是对哪种情况的虚拟,从而来确定谓语动词的形式。由“but I didrT t know he was waiting forme, 我”事实上并没有早点来,因此可推知第一句应该是一个虚拟语气的句子。因为讲述的是过去的事情, 所以句子应借助于“would+have+过去分词”的形式。本句可以理解为:I would have come sooner if I had known that he was waiting for me
21、,应选 Co 13、答案:C解析:考查虚拟语气。句意:她说如果她没有忘记我今天到的话,她会派车来接我的。分析句子成分可知,she would have sent a car for me that I was arriving today为宾语从句,该宾语从句中用虚拟语气,根据句意,该句与过去事实相反,从句 that I was arriving today中应用过去完成时,该空处可填uif it hadn5 tslipped her mindn o再有,虚拟条件从句中的谓语动词如果是had, should, were的话,可以省略连词if,且 用倒装,故该句还可表述为had it not s
22、lipped her mind,选项C符合题意,应选C。14、答案:D16解析: 考查虚拟语气。句意:那时我本想给你写信的,但我不知道你住在哪里。根据后文but IdidT t know where you lived可知“我”并没有写信,短语would have done “本应该做但实际没有做”,表示对过去事实的假设。应选Do15、答案:C解析:考查虚拟语气。句意:8点了?节目已经开始了!我多么希望我现在就在那里!wish后的宾语从句中,表示与事实 相反或不大可能实现的愿望,所以用虚拟语气。对将来发生的事情表示祝愿或愿望:主语+ wish +从句主语+ would(could, might
23、)+动词原形。应选 Co16、答案:B解析:考查虚拟语气。句意:如果去年圣诞节Amy没有勇气许下这样一个简单的愿望不要因为残疾而被嘲笑,她现在仍然会感到孤独。根据last Christmas”判断此处是与过去事实相反的一种假设,应该用过去完成时,故B项正确。17、答案:C解析:考查连词词义辨析。句意:他表现得很自然,好像什么事都没有发生似的。A.even if即使;B.only if只有;C.as if似乎;D.not that并不是说。根据“nothing had happened to him”使用了过去完成时可推断,是虚拟语 气,只有as if引导的从句使用虚拟语气且符合题意。应选C。小
24、提示:18、答案:A17解析: 考查虚拟语气。句意:奇怪的是,这位著名的名人也落入了许多前明星被捕的陷阱。It is strange that sb. (should) d。sth.是固定句型,意为“某人做某事很奇怪”,should可省略,因此空格处用动词原形fall,应选A。19、答案:C解析:考查虚拟语气的倒装。句意:要不是这些年的水体污染急剧增加,很多温水域中的珊瑚礁就不会灭绝。此处为 错综时间虚拟,主句用would not be表示对现在虚拟,从句动作accumulate发生在过去,对过去的虚拟故应 用haddone形式,且当虚拟条件句中含有were, had, should, cou
25、ld等动词时,可以将if省略,然后将 were, had, should, could等词移至句首。应选C。20、答案:D解析:考查虚拟语气。句意:主席的建议是应该制定新的规那么。分析句子可知,the new rule局部为suggestion的同 位语从句,解释说明suggestion的具体内容,从句谓语局部用should的虚拟语气,should可以省略,综述选 Do21、答案:C解析:考查虚拟语气。句意:一-真可惜!你错过了我的生日聚会!-非常抱歉,亲爱的。相信我,如果我有时间的 话,我会参加的。could have afforded the time表示未曾实现的能力:即表示过去本来有能
26、力可以做某事的, 但实际上没有那样去做,通常译为“本来可以” “本来能力。所以本句表示我本可以抽出时间去参加生日聚会, 但是我没有。would + have+donen虚拟语气,表示对过去事情的假设,意思是“本来会做”。在本句中表示本 来会参加的,但实际上没有参加。应选C项。1822、答案:D解析:考查虚拟语气。句意:如果我有一千万美元,我会周游世界。分析句子可知表示对现在情况的虚拟语气,if从 句用一般过去时,主句用would+动词原形。应选D。23、答案:A解析:考查虚拟语气。句意:如果我早知道,我就不会这样做了。此处与过去的事实相反,故答案为A。小提示:If引导的虚拟语气:1) .表示与
27、现在事实相反的情况从句:lf+主语+动词一般过去时(Be 动词用 were)主句:主语 + should/would/might/could+do : If I were you, I would take an umbrella.如果我是你,我会带把伞。(事实:我不可能是你)2) .表示与过去事实相反的情况从句:lf+主语+had+done 主句:主语+should/would/might/could+have done : If I had got there earlier, I should/would have met her.如果我早到那儿,我就会见到她。(事实:去晚了)3) .表
28、示与将来事实相反从句:if+主语+were to doif+主语+should+doif+主语+动词一般过去式(be动词用were)主句:主语 +should/would/might/could+do:lf he should come here tomorrow, I would talk to him.如果他明天来这JL的话, 我就跟他谈谈。(事实:来的可能性很小,不可能)24、答案:A19C . would beD . was8、He would get to the university by Friday today, which can ensure him of his spee
29、ch.A . were he to leaveB . if he had leftC . did he to leaveD . had he left9、the rain stop, the crops would be saved.A . WillB . WouldC . ShouIdD . Had10、Without his inspiring experiences, Faraday electromagnetic induction.A . discoveredB . hadnt discoveredC . have discoveredD . wouldnt have discove
30、red11、The teacher requests he in homework every morning.A . handB . to handC . handsD . handed12、I sooner, but I didn t know he was waiting for me.A . would comeB . had comeC . would have comeD . was coming13、She said she would have sent a car for me that I was arriving today.A . if it didn, t slip
31、her mindB . if it weren1 t to slip her mindC . had it not slipped her mindD . shouldn t it slipped her mind14、I to you at that time, but I didn* t know where you lived.A . had writtenB . wroteC . would writeD . would have written解析: 考查虚拟语气。句意:如果他以前多花些时间练习英语口语,现在就能说得好多了。结合语境,此处为错综时间条件句,根据before可知,if引
32、导的条件状语从句表示与过去事实相反,使用与过去事实相反的虚拟语气,谓语动词使用过去完成时,主句中的时间状语是now,使用与现在事实相反的虚拟语气,谓语动词使用would/should/might/could+动词原形。应选 Ao 25、答案:D考查虚拟语气。句意:在过去,如果像我这样的人没有通过考试考上大学,他就没有机会获得学位。根据“Inthe past, if someone like me had failed to get into university through the college exam 可知, 此处表示与过去 事实相反的假设,从句谓语用had+过去分词,主句谓语用wo
33、uld/could/should/might+过去分词,故D项正确。26、答案:C考查虚拟语气。句意:要不是他坚持到底的决心,他就不会成为一流的网球选手。but for表示“要不是、倘假设 没有”,需要用虚拟语气,属于隐含虚拟条件句,根据uhis determination to stick it outn可知此处表示对过 去情况的虚拟,主句谓语用would(not)+have done,故C项正确。27、答案:D解析: 考查虚拟语气。句意:如果县政府从一开始就履行自己的职责而不是过分着眼于短期利益,那么这座化工厂的爆炸本来是可以防止的。分析句子可知,本句是对过去事情的虚拟,if引导的条件句用
34、过去完成时,if省略, 句子彳到装, 所以主句是 had the county authorities, aiming too much at short-term interests, performed theirduties from the beginning,从句是 could have been。故 D 选项正确。20小提示:if虚拟条件句和对应主句的动词形式列表:条件从句的谓语动词形 式主句谓语动词形式与过去事实相 反的假设had donewould/could/might/should have done与现在事实相 反的假设过去时(was - were)would/could
35、/might/should do与将来事实相 反的假设过去时(was一were); should do ; were to dowould/could/might/should do分析句子可知,本句是对过去事情的虚拟,if弓I导的条件句用过去完成时,if省略,句子倒装,所以主句是had the county authorities, aiming too much at short-term interests, performed their duties from the beginning, 从句是could have been。故D选项正确。28、答案:B解析:考查虚拟语气。句意:孩
36、子们在哪里?校车就要离开了。我希望他们没有迟到。Wish后的宾语从句, 使用虚拟语气,根据前一句可知,“孩子们在哪里”是表达现在的事情,因此推断“孩子们不要迟到”是与现 在事实相反的虚拟语气,谓语动词用一般过去时。应选B。29、答案:C解析:考查虚拟语气。句意:我很抱歉。要不是我病了,我会来帮你一把的。从句为省略if的局部倒装结构,由主句 中的would have come以及句意可知,这里是对过去情况的假设,因此从句要用过去完成时。如If条件句中如 有were,should或had时,可把if省略,并把were,should或had提到主语的前面,使用倒装语序。因此if从 句中省略了 if,
37、就要had提到it之前,C符合题意。有人可能会误选D,但时态错了,如果选D,答案应为if ithad not been。应选 C 项。2130、答案:C解析:考查虚拟语气。句意:一Tina昨晚没有吃药,是吗?没有,但我希望她吃了。分析句子可知,wish之后 的宾语从句要用虚拟语气,结合语境可知,此处是与昨晚的事相反,即与过去事实相反,应用过去完成时had done,原句中省略了 taken,应选C项。31、答案:D解析:考查表语从句。句意:地震发生的时候,好像世界末日到了。A. that连接词,无意义;B. as正如,像一样; C. if是否;D. as if似乎,好像。分析句子可知,此处引导
38、一个表语从句,根据句意可知,从句使用虚拟语气, 所以应用as if引导该从句,应选D项。32、答案:A解析:考查虚拟语气。句意:如果发现有人携带毒品,将会受到严厉的惩罚,从几年的监禁到死刑不等。因为与将来 事实相反,所以从句用if +主语+ should + do。此处为省略if的虚拟语气的倒装,从句should a person be caught carrying drugs = if a person should be caught carrying drugso 应选 Ao小提示:虚拟语气的倒装:当虚拟条件句中含有were, had, should, could等动词时,可以将if省
39、略,然后将were, had, should, could等词移至句首。此题分析为考查虚拟语气后,先判断与将来事实相反,且主句在前,从 句在后。从句为省略if的虚拟语气的倒装,从句should a person be caught carrying drugs = if a person should be caught carrying drugs,从而选出正确的答案。22解析: 考查倒装句。A项考查虚拟语气。but for his help是含蓄条件句,表示与过去事实相反的虚拟语气,主句用 would have done,故A项正确;B项是定语从句。which指代house,从句中作介词o
40、f的宾语,指物,用关系 代词 which,故 B 项正确;D 项是强调句型,去掉 it isthat,句子 at this moment he made the most important decision in his life.是完整的句子,故 D 项正确。C 项 Not until the result turned out to be so serious 置句首,主 句用倒装句,that改为助动词did,故C项错误。应选C。34、答案:B解析:考查固定搭配。句意:如果林肯还活着的话,他的战后政策也许很可能会给他带来有损他名望的批评。might as well意为“也可以,倒不如”,
41、might well意为“有可能”,根据句意,故排除A、C项错误;根据If Lincoln had lived是虚拟语气,意为“如果林肯还活着,表示与过去事实相反的虚拟语气,主句使用了 would have+ 过去分词虚拟语气,故B正确。35、答案:A解析:考查虚拟语气。句意:要求在一切安定下来之前不要告诉任何人最后的决定。request意为“请求”,当其后 接宾语为从句(宾语从句)时,从句谓语常用“(should) +动词原形”的结构。should可省略。应选A项。36、答案:D解析:考查虚拟语气。句意:一位环保人士指出,如果没有人收拾垃圾,街道很快就会变脏,老鼠的数量就会增加, 疾病就会传
42、播。根据would判断此处是与将来事实相反的虚拟语气,从句用were to do,故D项正确。小提示:23 虚拟语气是英语语法中的一大难点,注意在if非真实条件句中,主句和从句谓语动词有以下三种形式:表示与 现在事实相反,从句用过去式(be用were),主句用would (should, could) +动词原形;表示与过去事实相 反,从句用had+过去分词,主句用would (should, could) +have+过去分词;表示与将来事实相反,从句用 过去式(should/were to+动词原形),主句用would (should, could) +动词原形。37、答案:C解析:考查虚
43、拟语气和固定短语。句意:我们的老师坚持在上课前把值得注意的关键词划出来。分析句子,本句中用 到了 “insist + that从句”,此结构中“insist”为“坚持”讲时,宾语从句要用should+动词原形的虚拟语气, should可以省略;假设为“坚持说”,宾语从句要用陈述语气;根据句意可知,此处为“坚持”含义,所以从句 要用动词原形;另在从句中,从句主语“the key words”后用到了形容词短语作定语,固定短语pay attention to “注意”,所以attention后要跟上介词to ;结合句意,words和underline为动宾关系,所以underline要用被动语态,
44、综上可知,空白处应填to should be underlined,因为should可以省略,应选C。38、答案:D解析:考查虚拟语气。句意:我强烈建议给他再试一次的机会。recommend后的宾语从句用虚拟语气,谓语动词用 should+动词原形,should可以省略,且谓语动词give与主语和是被动关系,应选D。39、答案:C解析:考查虚拟语气。句意:他极力主张她星期一去游览长城。urge表示“极力主张,强烈要求”时,后跟从句需用 虚拟语气,结构为should +动词原形,其中should可省略。应选C。小提示:24urge的用法归纳和词义辨析 urge的用法:urge的用法1 : urg
45、e的基本意思是“力劝” “敦促”,指外部或内部的影响或压力激励某人到达明确的目的。 引申可表示“强烈要求”等。urge的用法2 : urge可以接名词、动名词或that从句作宾语,从句中的谓语动词多用虚拟式。有时也可接由动 词不定式充当补足语的复合宾语。urge的用法3 : urge还可用作名词,意为“强烈的愿望”。例如:He has an urge to become a film star.他非常希望成为电影明星。urge的词汇辨析:induce, persuade, urge, convince, counsel, coax 这些动词均有“劝说,劝导,劝诱”之意。induce指用讲道理来
46、使某人做某事。persuade普通用词,指通过劝说、感情交流等而使对方做劝说者所希望的事。urge语气强,指不断地热情地规劝诱导。convince指凭行动、事实或言语使他人从思想感情上信服。counsel较正式用词,指对一些较重大事情所提出的劝告。有时也用于非正式场合,但仍强调严肃的一面。coax指用好话善意或耐心劝诱、哄骗某人做某事。40、答案:C解析:考查虚拟语气。句意:他无法抽出一些时间来度假,有时他宁愿自己没有在深圳开办这样的机构。would rather+从旬结构意为“宁愿在该结构中,从句需用虚拟语气,表示现在或将来的愿望时,从句的谓语动25 词需用一般过去时;表示过去的愿望时,从句
47、的谓语动词需用过去完成时。根据句意可知,此处表示的是现在 的一个愿望,故应选C。41、答案:B解析:考查虚拟语气。句意:弗兰克史密斯先生确实是最好的朋友和老师。”-“当然!当我回顾他的所作所 为时,我不确定我是否会在他的位置上做同样的事。”分析语境,可知此处为与过去事实相反的虚拟语气,我 无法确定我在他的位置上时是否会做同样的事。应选B项。42、答案:B解析:考查虚拟语气。句意:着火的要求之一是将材料加热到燃烧温度。A. is heated被加热;B. be heated被加热;C. would be heated将被加热;D. do heat确实加热。句中requirement表示“要求”,
48、后接表语从句时,从句 应用虚拟语气,即从句谓语使用“should+动词原形”,其中should可以省略,heat与主语the material之间 是被动关系,应用被动语态(should) be heatedo应选B项。43、答案:D解析:考查虚拟语气。句意:我真希望我参加了我姐姐的婚礼,但我上周末去纽约出差了。用wish表示对过去事情 的遗憾。其句子结构为:宾语从句的谓语用过去完成时或could+现在完成时,应选D。小提示:动词wish后宾语从句中的虚拟语气.用wish表示现在的祝愿和报歉。其句子结构为:宾语从句的谓语be用were(was),实义动词用过去式。例:I wish they were at home this26time.1) .用wish表示对过去事情的遗憾。其句子结构为:宾语从句的谓语用过去完成时或could+现在完成时。例:I wish I hadnt hurt him so much.2) .用wish表示对将来事情