名校版英语经典句型考点解析 状语从句中的虚拟语气用法.docx
《名校版英语经典句型考点解析 状语从句中的虚拟语气用法.docx》由会员分享,可在线阅读,更多相关《名校版英语经典句型考点解析 状语从句中的虚拟语气用法.docx(14页珍藏版)》请在得力文库 - 分享文档赚钱的网站上搜索。
1、名校版英语经典句型考点解析状语从句中的虚拟语气用法1)由as if, as though引导的方式状语从句由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)表示现在情况的虚拟用过去时。You look as though you slept badly.你好像没睡好觉。He looks as if he were young.看样子他好像很年轻。(表示不年轻 了)试比拟:He looks as if he is young.看样子他好像很年轻。(他就是年轻)The teacher treats the p
2、upil 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。Susan is walking slowly, as if she looked tired.苏珊走得很慢,好 像她很累似的。If they had studiedhard, they could do it easily now.(这里从句动 作发生在过去,主句动作发生在现在) 如果他们以前努力学习的话,现在干得就会容易些了。在一些含有虚拟语气的句子中,如果主句与从句的谓语表示不同的时间, 虚拟语气可有不同形式,即主句与从句各自按自己的时间构成虚拟形式。 例如:If I had
3、met him before, I could recognize him.要是我以前遇见过他, 我就能认出他了。(从句表示与过去事实相反,主句表示与现在或将来事实相反)If we were driving at a speed of 100 Li an hour, we would have arrived there 2 hours ago.如果我们的行车速度每小时100里,两小 时以前我们就会到达那里了。(从句与现在事实相反,主句与过去事实相反)c.含蓄虚拟条件句有时虚拟条件并不通过if从句表示出来而是通过介词短潦otherwise , or, without, but for等)、上下
4、文或其他地方表示出来,是一种含蓄 的虚拟条件句。But for air and water, there would be no life on the earth.要是没有空气和水,地球上就没有生命。With your help, we might finish the plan earlier.要是有你的帮助,我们就可以早些完成计划。开条件状语从句中虚拟语气规律:与现在事实相反的虚拟条件句If +主语+动词过去式;主语+ would, should, could, might+原形 动词(be的过去式用were)If I feared death, I wouldnt be a commu
5、nist.(刘胡兰说)怕死就不做共产党员。If there were no air, we couldnt live.如果没有空气,我们就不能生活。与过去事实相反的虚拟条件句构成If +主语+动词过去完成式;主语+ would, should, could, might+have +过去分词例如:If you had come a few minutes earlier, you would have met him.如果你早来几分钟,你就会碰上他。If there had been no air in the tube, the result of the experiment would
6、have been more accurate.如果试管中没有空气,实验结果就会更精确。与将来事实相反的虚拟条件句构成If + 主语 + should + 原形动词;主语+would,should,could,might 或 were+不定式+原形动词例如:If he were to come tomorrow, things would be easier.假如他明天会来,事情就容易办了。If the sand should be broken up, it would give out much energy.如果沙子能被分解,它会释放出大量的能量。注:在表示与将来事实相反的虚拟条件句中,
7、从句中的should有时可 以省略。如:If he make the design, he might do it in some other way.要是他来搞这个设计,他可能用另外的方法设计。实战分析:If it did , it would open up its diversity program z now focused narrowly on race and gender, and look for reporters who differ broadly by outlook , values , education , and class.如果它能注意这个问题的话,它就会拓
8、展其雇员多样化工程,而目前的 工程只单纯考虑招收不同种族和性别的员工,去雇佣那些在世界观、价 值观、教育背景及社会阶层方面各不相同的记者。解析:这是一个含有条件状语从句的复合句。If it did是条件状语从句。 主句中主语是it ;谓语动词有两个,分别是would open up和look for这是一个与现在事实相反的虚拟语气,从句用一般过去时,主 句用would+动词原形open up和look for.1. need have done 一般只有于疑问句中,很少看见用于肯定句(小编没有看见过,遗憾)没有看见过,遗憾);含义为:真的必须吗?非不可吗?含有不必那样做的意思,如:Need y
9、ou have paid so much?你当时真的必须要付那么多钱吗?Need they have sold the farm?他们那时非得把农场卖掉不可吗?2. neednt have done就是表示本没有必要做某事而做了,而且现在 觉得没有必要去,含有责备、遗憾等含义;如:There was plenty of time.She needn t have hurried.(高考真题)时间比拟充裕,她本来不必那么赶。I neednt have taken my overcoat.我本来不必取我的夕卜套。They needn*t have come here.他们本来不必来这儿。You n
10、eedn1 t have hurried.你当时实在不必那么匆忙。She needn7 t have come in person,a letter would have been enough.她本不必亲自来,写封信来就足够了。“You neednt have said that/7 my wife answered.你本来不必说那件事。“我的妻子回答道。(新概念2.L41)I needn7 t have gone to the office.我昨天本来不必去办公室的。(暗含去了办公室)3 .比拟一下:Ididn t need to go there yesterday.=I didn, t
11、 have to go there yesterday.我昨天不必去那儿。(仅仅说明昨天不必去那儿,至于到底去了或没有 去,无所谓。)I needn7 t have gone there yesterday. 我昨天本来不必去那儿的。(说明昨天去了那儿,而且现在觉得没有必 要去,含有责备、遗憾等含义。)He treats me as if I were a stranger.他那样对待我,好像我是陌生 人似的。Why is he looking at me as though he knew me?他为彳十么那样看 我?像是认识我似的。My elder sister talks to me a
12、s though she were my mother or my aunt.我姐姐与我谈话时,口气就像我妈妈或阿姨一样。I can remember our wedding as if it were yesterday.我们的婚礼我记忆犹新,就像昨天一样。b)表示过去情况的虚拟用过去完成时。I felt as if my heart had stopped.我觉得好像我的心都不跳了。I felt as though we had known each other for years.我感觉我们好 像认识多年了。She felt as if every drop of emotion had
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 名校版英语经典句型考点解析 状语从句中的虚拟语气用法 名校 英语 经典 句型 考点 解析 状语 从句 中的 虚拟 语气 用法
限制150内