2.宾语从句 虚拟语气常用在表示要求、建议、命令或愿望的动词后的宾语从句中。 常见的宾语从句中需用“should+动词原形”的动词有: 一个坚持:insist 两个命令:order,command 三个建议:suggest,advise,propose 四个要求:demand,require,ask,desire ①在suggest(建议), order(命令), propose(建议), insist(坚持要做), command (命令),request(要求),advise(建议)等动词后的宾语从句中,谓语动词用 should + 动词原形 (美国英语常省略should)。 The examination instructor asked that the students (should) not use a calculator. 考官要求学生不要使用计算器。 The workers demanded that their wages (should) be raised by 10 percent. 工人们要求增加百分之十的工资。 They requested that he (should) sing a song. 他们要求他唱一首歌。 比较: 动词suggest和insist后面的宾语从句,应根据不同情况选用陈述语气或虚拟语气。 suggest作“建议”解时,用虚拟语气,作“使想起、暗示”解时,用陈述语气。 His silence suggested that he agreed with my decision.他的沉默暗示他赞同我的决定。(暗示) He suggested that I (should) stick to my decision.他建议我坚持自己的决定。(建议) insist作“坚决要求”解时,用虚拟语气,作“坚持认为”解时,用陈述语气。 He insists that doing morning exercises does good to people's health. 他坚持认为做早操对健康有益。(强调) He insists that he (should) do morning exercises every day.他坚持每天都要做早操。(要求) ②在动词wish后的宾语从句中用虚拟语气,表示不可能实现的愿望。 一般过去时weredid 表示目前不可能实现的愿望 I wish I were a bird. 但愿我是一只小鸟。 I wish I knew the answer.我要是知道答案就好了。 过去完成时 had done 表示过去不可能实现的愿望 I wish she had taken my advice.那时她要是接受我的建议就好了。 I wish that I had seen her yesterday.真希望我昨天见过她。 过去将来时 wouldcould do表示将来没有把握或不可能实现的愿望 I wish you would stay an hour longer. 我希望你再呆一个小时。 I wish it could stop raining.但愿雨能停。 提示: 由于wish和hope的汉语意思差不多,在使用上往往容易出错。wish一般表示“希望”、“但愿”,表示不可能实现的愿望,后接从句时要用虚拟语气;hope表示“希望”,指可以实现的希望,后接从句时用陈述语气。 The students hope that their football team will win the game. 学生们希望他们的足球队获胜。 (可能实现) I wish I could see him now. 我希望现在就能看到他。(不可能实现)
3.表语从句和同位语从句中的虚拟语气 在表示建议、劝告、命令等含义的名词后的表语从句和同位语从句中,谓语动词要用“should + 动词原形”结构。 My advice is that you (should) practise speaking English as often as possible.我的建议是你尽可能经常地练习说英语。 The demand is that the composition (should) be written on one side only. 按照要求作文必须单面誊写。 It is my desire that all the members of the family (should) gather once a year. 我的愿望是所有家庭成员一年团圆一次。 The suggestion that education (should) be reformed is reasonable. 教育要改革的建议是合理的。 必背: 表示建议、劝告、命令等含义的名词常见的有 advice 建议 demand 要求 desire 愿望 decision 决定 idea 意见 motion 提议 order 命令 proposal 提议 requirement 要求 request 请求 regulation 规章 suggestion 建议B.状语从句中的虚拟语气
①方式状语从句 由as if 或as though引导的状语从句可以用陈述语气表示可能符合事实的情况,也可以用虚拟语气表示与事实不符或与事实相反的情况。 a. 表示与现在事实不相符,用一般过去时 The teacher treats the pupil as if he were her own child. 这位老师对待这位学生就像自己的亲生孩子一样。(这位学生并不是她的亲生孩子) b. 表示与过去事实不相符,用过去完成时 I felt as though we had known each other for years. 我感觉我们好像认识多年了。(其实并没有认识多年) c. 表示与将来事实不相符,用would might could It looks as if it might rain. 天看上去好像要下雨。(不大可能下雨) 对比: He looks as if he is young. 看样子他好像很年轻。(他就是年轻) He looks as if he were young. 看样子他好像很年轻。(实际上他不年轻) ②目的状语从句 a. 由in case, lest, for fear that引导的目的状语从句,动词用“should + 动词原形”结构,表示忧虑或目的。 Please remind me of it again tomorrow in case I (should) forget. 请你明天再提醒我这件事,以免我忘记。 She emphasized it again and again, lest he (should) forget. 她一再强调这一点免得他忘记。 We had a meeting and talked the matter over face to face for fear that there should be any misunderstanding. 我们开了一个会,面对面谈了这件事,以免发生任何误会. b. 在in order that和so that引导的目的状语从句中,往往用can(could)或may(might)。 I shall write down your telephone number so that I may not forget. 我要把你的电话号码记下来,以免忘记。 They worked harder than usual in order that they could finish the work ahead of time. 为了能提前完成工作,他们比往常更加努力。 We will tell you the truth so that you can judge for yourself. 我把真实情况告诉你,使你能自己作出判断。
③让步状语从句 让步状语从句指事实时,从句谓语动词用陈述语气。若从句内容表示现在和将来的假设情况,从句谓语动词用虚拟语气。 Though he (should) fail, there would still be hope. 即使他失败了,仍有一线希望。 I should say the same thing even if he were here. 即使他在这里,我还是要这么说。 Whether he (should) succeed or fail, we shall have to do our part. 不管他成功还是失败,我们还是要做好自己的事。 However hard it might rain rains, we shall go there together. 不管雨下得多么大,今晚我们还是要去那里。 No matter what his social position (might) be, a man is equal in the eye of the law. 一个人不论其社会地位如何,在法律面前都是平等的。
C.定语从句中的虚拟语气 在It is (high) time (that) ...结构中,定语从句的谓语动词用过去式,表示“到某人该做某事的时间了”。 It is time that the children went to bed. 到孩子们睡觉的时间了。 It is high time that we began the meeting. 正是我们开会的时间了。
四、其他句型中的虚拟语气
A. If only...... If only位于句首引起的感叹句用虚拟语气,动词用一般过去时表示目前的愿望,用过去完成时表示过去的愿望,用would或could表示将来。 If only he knew the answer. 他要是知道答案就好了。(用过去时表示现在) If only I could speak several foreign languages!我要是能讲几种外语就好了!(用wouldcould表示将来) If only you had told me the truth before. 要是你以前告诉我真相就好了。(用过去完成时表示过去) 注意:if only和wish的用法相同,表示的意愿也基本相同。 If only it would rain. 但愿天能下点儿雨!= How I wish it would rain. If only I had known her earlier! 要是我早点儿认识她就好了!= I wish I had known her earlier. B.would rather would rather, would prefer, would sooner 等后接从句,表示“宁愿”,动词用过去时表示当时和将来的情况,用过去完成时表示过去的情况。 I would rather you left today. 我宁可你今天走。 I would prefer he didn't stay here too long. 我倒希望他不要在这儿呆得太久。 I would rather I hadn't seen that film yesterday. 我宁愿昨天没有看那场电影。 提示: would rather 主要有两种用法。 1.后接不带to的不定式 I'd rather play tennis than swim. 我宁愿打网球,也不愿游泳。 I'd rather not go to the movies. 我宁愿不去看电影。 Which would you rather have, tea or coffee 你喜欢喝茶,还是咖啡 2.后接不用连词的that从句 I'd rather you went home now. 我希望你现在就回家。 I would rather my daughter attended a public school. 我希望我的女儿能上公立学校。
C.表示愿望的感叹句 在表示祝愿的感叹句中,用动词原形,表示愿望。 Long live the People's Republic of China! 中华人民共和国万岁! May you be happy! 祝您快乐! God bless you! 上帝保佑你! Success attend you! 祝你成功! The Lord save us! 愿主救我们!D.情态动词用于虚拟语气 部分情态动词的过去形式(could, might, should, would),可以用于非真实条件句以及其他结构中表示虚拟语气。
1.表示想像或猜测 If I could speak French, I would teach you. 如果我会说法语,我就能教你。(我不会,所以不能教你) If you phoned him right now, you might get the matter settled. 如果你现在给他打电话,你就可以把问题解决了。 There could be something wrong with the tape recorder. 这台录音机可能出毛病了。 He might have said so. 他可能这样说过。 Could he have done such a foolish thing 他会做这样的傻事吗?
2.表示委婉或客气 虚拟语气(could, would, might + 动词原形)可使说话者的口气变得委婉客气。 You could answer this email for me. 你可以替我回这个电子邮件。 Could you leave me your telephone number and address 你能将电话号码和地址留给我吗? Would you mind opening the window 劳驾把窗子打开,好吗? You might as well put off the discussion till next week. 你们不妨把讨论推迟到下个星期。
比较: would lide to do 愿意,想要 would lide to have done 本来想 I would like (to have) a word with you.我想和你谈一谈。(现在想) I would like to have talked with you.我原本想和你谈一谈的。(没有谈成)
3.表示惋惜或责备 Given more time, we could have done better. 如果给我们更多时间,我们能够干得更好些。(我们并没有得到更多的时间) You could have got up a little earlier! 你完全可以早点儿起来!(实际上没有早起) It was cold yesterday. I should have worn a heavy coat. 昨天很冷,我该穿件厚外套的。(但我没穿) This wall shouldn't have been pained blue. 这墙不应该漆成蓝色。(但已漆了) 提示: 当代英语一个显著的变化就是虚拟语气的使用越来越少,许多该用虚拟语气的地方都用陈述语气代替。 He suggested that I went to the hospital at once. 他建议我们立刻去医院。(原应用should go) We shall write down the address lest we forget. 我们要把地址记下来,以免忘记。(原应用should forget) Imagine you are an astronaut. 设想你是个宇航员。(原应用were)
给妈妈的一封信
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