1. 与现在事实相反的虚拟： Show If + did / were + ..., ... would/ should/ could/ might + do （动词原形） If I were you, I would go abroad at once. (I am not you.) If he knew it now, he could help me. (He doesn't know it now.) 2. 与过去事实相反的虚拟： If + had done + ..., ... would (might) have done ... If I had known your telephone number yesterday, I would have phoned you. (I didn't know your telephone number.) If you had come here a little earlier just now, you might have met her. (You didn't come here earlier.) 3. 与将来事实相反的虚拟： (1) If + should + v., ... would + v. （可能性很小）（译作“万一”） If it should rain tomorrow, you could stay at home. If I should fail, what should Ido? (2) If + did / were to + v ..., would + v. （完全不可能） If the sun were to rise in the west, I would lend you the money. If you finished it in 3 minutes, I would give you my car. 4. 特殊重点 ［简单联想记忆］： ● 下列动词后的“宾语从句”中需要用虚拟形式，即should + 动词原形，shoud在美国英语中要省略（TOEFL语法考点）。此类常见的动词有：order, ask, decide, demand, require, recommend, suggest（建议）, insist（坚决要求）, advise, etc. He suggested that we (should) help them with English. The teacher ordered that the homework (should) be finished within half an hour. ● 下列名词后的同位语从句中要用“should + 动词原形”（should可省去）的虚拟。此类常见的名词有：suggestion, order, request, demand, importance, proposal. He made a suggestion that we (should) have a fancy dress party. I think it is a thing of importance that it (should) be done soon. ● It is / was important / necessary / natural / essential / advisable / strange / surprising, ect. + that +主语+ should + v. It is strange that you should say such a thing. It was important that you should tell me all the information. ● wish后的宾语从句中，as if 后的状语从句中，须用下列的虚拟形式： 主 + wish+ (that) + 主 + did / were（指现在） had done（指过去） would+ v.（指将来） I wish that I met my uncle now. I wish I had met my uncle yesterday. I wish I could meet my uncle tomorrow. ● It is (high) time that ... + did / were ... It is time that you went to bed. ● would rather that ... + did / were ... I would rather that you were not here now. ● would sooner that ... + did / were ... I would sooner that you got up earlier. I would sooner that you were not my brother. 虚拟条件句的三种基本类型作者：Hayden整理 来源：互联网 2017-12-23 13:39 虚拟条件句的三种基本类型：与现在事实相反、与过去事实相反、与将来事实相反。今天，小编就来给大家讲解一下虚拟条件句的相关语法，一起来看看吧！
怎么样，看完了这篇小编精心为大家准备的文章，有没有感觉收获满满呢？喜欢就赶快收藏起来吧~ 最後更新日期： 2022 年 10 月 31 日 But that 是從屬連接詞，意為「要不是」或「若非」，引出副詞子句。若為現在事實用現在式，後接表相反於現在的主要子句；若為過去事實則用過去式，後接表相反於過去的主要子句。
與現在事實相反假設語氣But that S V, S＋should (would, could, might)＋V… ＝But for the fact that S V, S＋should (would, could, might)＋V… ＝But for N, S＋should (would, could, might)＋V… ＝Without N, S＋should (would, could, might)＋V… ＝If it were not for N, S＋should (would, could, might)＋V… ＝Were it not for N, S＋should (would, could, might)＋V… If it were not for global warming, we wouldn’t suffer so many disasters. (若不是地球暖化，我們就不會招受許多災難) 事實是→現在地球暖化，我們招受許多災難。 與過去事實相反假設語氣But that S V-ed, S＋should (would, could, might)＋have V-en… ＝But for the fact that S V-ed, S＋should (would, could, might)＋have V-en… ＝But for N, S＋should (would, could, might)＋have V-en… ＝Without N, S＋should (would, could, might)＋have V-en… ＝If it had not been for N, S＋should (would, could, might)＋have V-en… ＝Had it not been for N, S＋should (would, could, might)＋have V-en… But for your help, I wouldn’t have been able to finish my work on time. Without your help, I wouldn’t have been able to finish my work on time. (若不是你的幫忙，我無法準時完成我的工作。) →有你的幫忙，工作已經完成 If you had ridden motorcycle carefully, you wouldn’t have had the car accident. (要是你小心地騎車，你就不會發生車禍) 事實是→你沒有小心騎車，你已經發生車禍。 句中有與現在事實相反及過去事實相反同時出現的句子 If it had not been for the natural disaster , I could be swimming or fishing in the mountains brooks now. (要不是天災發生，我現在就能在山中小溪裡游泳或釣魚) 事實是→天災已經發生，現在沒有在山中玩。 →此句為從屬子句與過去事實相反，主要子句主現在事實先反的句子。 How I wish (that) natural disaster would never happen again, so that people could live a happy and peaceful life. (我多麼希望天災不再發生，以至於人們可以過快樂與平靜的生活) →希望的事情與現在事實相反，人們也無法過快樂與平靜的生活，兩句皆為與現在式時先反。 總結:句子沒有一定要使用過去式+過去完成式，或現在式+過去式的句型，需看說話者所說出的話，與現在或過去先反，而做時態變化。 只要事件非事實，時態皆要往後退一個時態。 現在事件→過去式 If I were you→我現在不是你，因此與現在事實相反，使用過去式Be動詞，were 為假設語氣中固定用法，不分人稱。 過去事件→過去完成式 I would have helped Mary.→我過去沒有幫助Mary，與過去事實相反。 If I were you, I would have helped Mary. 與現在事實相反假設語氣If only+主詞+過去式 意謂「但願，真希望，要是…就好了」。 If only I had another choice.(要是我有其他選擇就好了。) If only I were rich.(要是我有錢就好了。) 與未來事實相反假設語氣If only+主詞+would+原形動詞If only I would take a trip to Japan.(要是我能去日本旅遊就好了。) 與過去事實相反 意謂「要是…該有多好，要是…就好了」 If only+主詞+過去完成式If only I had helped the elder.(要是我能幫助那位老人就好了。) It is (high/about) time (that) + S + 假設語氣V… （該是做 ~ 事的時候了）對現在提出虛擬—例：It’s time that you had a haircut. （你該理髮了。） 該是同學為即將到來的考試認真讀書的時候了。 It is high time that the students studied hard for the coming exam. 國中文法: 該….是做什麼的時候了 It’s time for N. =It’s time for sb. to VR. It’s time for bed. =It’s time to go to bed. =It’s time for you to go to bed. if假設語氣文法練習題( )1.He promises to go with them tonight if ________ . (A) the weather clears up (B) the weather would clear up (C) he didn’t have to work (D) he will have no class ( )2. If blood _______ from the stomach right after a meal, digestion of food will be hampered. (A) has been transferred (B) were transferred (C) will be transferred (D)is transferred ( )3. If the issues are addressed, then we____summon the party organs to change our position.(A) had to (B) have to (C) will have to (D) should have to ( )4. ______, you will find that people respect you more.(A) If you did learn to keep your mouth shut(B) If you can to learn to keep your mouth shut(C) If you learn to keep your mouth shut(D) If you might learn to keep your mouth shut Ans： ADCC ( )5. If I had more money, I ______designer stuff, but it’s too expensive.(A) will buy (B) would buy (C) had bought (D) would have bought ( )6.________ been diverted, they would have arrived early.(A) Had the plane not (B) Hasn’t the plane(C) The plane had not (D) The plane not had ( )7. All of the candy by the little boy if his mother hadn’t stopped him. (A) would be eaten (B) will be eaten (C) is eaten (D) would have been eaten ( )8.The weather has been nice all week; it is high time _______. (A) of going on a hike (B) to have gone on a hike (C) we went on a hike (D) we will go on a hike ( )9.What if that camera_______a computer database with Atta’s picture in it? [特三103] (A) being linked to (B) has been linked to (C) had been linked to (D) was linked to ( )10.If I had had enough money last year, I ______to visit Morocco, Libya, and Egypt.[特三99] (A) will (B) would (C) would have gone (D) would have been ( ) 11. If it ________for the kind old lady, the boy would have starved to death. (A) were not (B) had not been (C) had not being (D) has not been ( )12.There is a real possibility that these animals could be frightened, ______ a sudden loud noise.(A) being there (B) should there be (C) there was (D) there having been ( ) 13. I _______ great now if I had studied hard several hours ago.(A)feel (B) am feeling (C) would feel (D) will be feeling ( )14.The ground ______wet now, if it hadn’t rained last night.(A) weren’t (B) wouldn’t have been(C) wouldn’t be (D) won’t be ( )15. I wish I _______ , but I’m sorry that I can’t.(A) could help (B) could have helped(C) might help (D) were help Ans：Ans： 1.A 2. D3. C4. C 5.B 6.A( If the plane had not been) 7.D 8.C 9.C (「What if 句型」表示「如果…（會怎麼樣？）；要是…（你覺得如何？）」假設語氣用於過去並未發生的事件時，動詞時態須使用過去完成式。) 10.C 11. B 12. B 13.C 14.C 15.A( I were able to help) If 假設語氣文法 wish不可能實現的願望與hope之差別 |
與現在事實相反should
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