GrammarTheSubjunctiveMood1英語動詞有三種語氣，陳述語氣，祈使語氣和虛擬語氣2定義：用來表示說的話不是事實，或者是不可能發(fā)生或可能性比較小的情況，而是一種愿望，建議，假設(shè)的語氣叫虛擬語氣。一、虛擬語氣定義2）在條件句中的應(yīng)用

條件句可分為兩類，一類為真實條件句，一類為非真實條件句。非真實條件句表示的是假設(shè)的或?qū)嶋H可能性不大的情況，故采用虛擬語氣。二、虛擬語氣的考點1、一般條件句中虛擬語氣的用法；2、條件句中虛擬語氣的倒裝；3、名詞性從句中虛擬語氣的用法；4、幾種特殊結(jié)構(gòu)中虛擬語氣用法；5、虛擬語氣與陳述語氣的判定。虛擬語氣在條件從句中的用法Ifhehadseenyouyesterday,hewouldhaveasedyouaboutitIfitdoesn’traintomorrow,wewillgotothepar虛擬語氣陳述語氣結(jié)論：條件句有兩類，一類是真實條件句，一類是虛擬條件句。如果假設(shè)的情況是有可能發(fā)生的，就是真實條件句。在這種真實條年句中的謂語用陳述語氣。一：虛擬語氣在條件狀語從句中的用法。條件從句If從句的謂語形式主句的謂語形式現(xiàn)在過去未來過去時（were）過去完成時would/could/should/mightV（原）would/could/should/mighthavepp1過去時V3weretodowould/could/should/mightV（原）1如果現(xiàn)在不下雨的話,我們就出去野餐了。Ifit_____notraining,we________forapicnicwereshouldgo1、表示與現(xiàn)在事實相反的假設(shè)和結(jié)果1要是當(dāng)初她被邀請的話,她就會參加這次聚會了。She______________tothee,I__________________thismorningwouldhavegonehadbeeninvitedhadn’tcalledoversleptwouldhave2表示與過去事實相反的假設(shè)或結(jié)果如果你成功，一切就好了。Ifyou_________,everythingwouldbeallrightIfyou_____________,everythingwouldbeallrightIfyou_____________,everythingwouldbeallrightsucceededshouldsucceedweretosucceed3、表示與將來事實可能相反的假設(shè)和結(jié)果虛擬條件句可以轉(zhuǎn)換的形式（1）省略連詞if在書面語中，如果虛擬條件句中有were,had或should，可以把if省略，而把這幾個詞放到主語之前，構(gòu)成主謂倒裝。WereIyouIfIwereyou,Iwouldnotdoit我要是你，就不做這事ShouldhecomeIfheshouldcome,tellhimtoringmeup他要是來了，讓他給我打個電話。主、從句的動作發(fā)生時間不一致的情況。有時條件從句中的動作和主句中的動作發(fā)生的時間不一致，這時動詞的形式要根據(jù)它所表示的時間加以調(diào)整。youhadlistenedtothedoctor,youwouldbeallrightnow如果你當(dāng)初聽了醫(yī)生的話，身體現(xiàn)在就好了。（從句動作指過去，主句動作指現(xiàn)在）。youhadore,youwouldbeabletospeaitfluently如果你多練習(xí)講英語，現(xiàn)在就能講得很流利了。1如果你昨天問他,你現(xiàn)在就知道怎么辦。Ifyou_________himyesterday,you__________whattodonow2如果昨晚下雨，今天會很冷。Ifit_________lastnight,it_________verycoldtodayhadasedwouldnowhadrainedwouldbeCompletethefollowing3如果我是你,我就不會錯過昨天晚上的那部電影。IfI____you,I___________________thefilmlastnight．werewouldn’thavemissed用介詞短語代替條件狀語從句WithoutairIftherewerenoair,therewouldbenolivingthings如果沒有空氣的話，就不會有生物了。ButforyourhelpIfithadn’tbeenforyourhelpIcouldn’thavedoneit要不是你的幫助，我就不可能完成這件事。含蓄條件句Wemighthavediedwithoutyourhelighthavediedifyouhadn’thele,wecouldhavestoe,wecouldstoppedit在條件從句中除最常見的連詞之外,尚有下列連詞:otherwise;incase;butthat;onconditionthat;unless;suppose/supposingthat;solongas;provided/providingthat2用相當(dāng)于if的其他連詞表示虛擬結(jié)構(gòu)1Iwasbusylastwee,otherwiseIwouldhavecometoseeyouthatyouhadofferedheleIwouldhavegivenyoumoremoney,butIwasber3通過上下文來虛擬我很忙，否則我可幫助你。Iambusynow,otherwiseI________youthefavor2要不是你的勸告,我是不會做這份工作的。Butforyouradvice,I____________abletodothiswor．woulddowouldnotbeCompletethefollowing3要不是你，我不會認(rèn)識他Withoutyou,I________________himwouldnevernowsuggest建議thatinsistordercommandrequirerequestdemandprefer“should”類sbshoulddosth（賓語從句）考題點擊：Theteacherdemandedthatthewor_____before4o’clocAfinishedBbefinishedCshouldfinish2---Whatdidthedoctorsayaboutyourmother’sillness---Hesuggestedthatshe_____anousthave BhadChave Dhadhad3Theteacherorderedthatstudents_______’tsmoesmoesmoedBCB當(dāng)insist表示“堅持認(rèn)為”、suggest表示“表明,暗示”時,其后的從句中不用虛擬語氣。例如:1Isuggestthatwe__________________ameetingnetwee2Yourpalefacesuggeststhatyou______illshouldholdareAttention4Heinsistedthathe_____________sentthere5Heinsistedthathe_________honest6Sheinsistedthathe________________anythinghadn’tstolenwasshouldbeB、表語從句、同位語從句中的虛擬語氣在suggestion,proposal,idea,plan,order,advice,decision等名詞后面的表語從句、同位語從句中要用虛擬語氣，即（should）動詞原形。Mysuggestionisthatweshouldleaveatonce1表語從句:2同位語從句:ImaeaeetingnetweeC、主語從句中的虛擬語氣基本句型：1Itbe形容詞that…should動詞原形…形容詞:important,necessary,natural,right,wrong,better,proper,funny,strange,surprising,desirable,advisable,…ItisnecessarythatweshouldhaveawalnowIt'simportantthatweshouldtaegoodcareofthepatient

2Itbe過去分詞that…should動詞原形…過去分詞：suggested,requested,ordered,proposed…Itisrequiredthatnobodyshouldsmoehere

It’ssuggestedthateverybodyshouldbuyadictionary3Itbe名詞（ae/nowonder）that…should動詞原形…

考題點擊：Hetooawaytheoygentanforfearthatit______AmayeploreCeplodeeplodeC,forfearthat和incase引導(dǎo)的狀語從句中，這時謂語動詞用should動詞原形或動詞原形。SheclosedthewindowslestshecatchcoldIt’shightimethatsbdidsthaboutshoulddosthwishthatsbdidsthhaddonesthcould/woulddowouldratherthatsbwhatifIfonlyasif“過去時及過去完成時態(tài)”類didsthnow/tomorrowhaddonesthinthepast3要是母親給我許多金錢就好了。Ifonlymymother_______mealotofmoney4要是他明天不來怎么辦？Whatifhe_____________tomyhelorrowshouldn’tcomeweretogive我要是聽取媽媽的建議就好了。