按考點(diǎn)分類練習(xí)i.虛擬語(yǔ)氣在條件句中的用法主/從句時(shí)間條件從句主句過(guò)去had+過(guò)去分詞would(should/could/might)have+過(guò)去分詞現(xiàn)在過(guò)去式(be用were)would(should/could/might)+動(dòng)詞原形將來(lái)過(guò)去式/should/wereto+動(dòng)詞原形would(should/could/might)+動(dòng)詞原形1.虛擬語(yǔ)氣用于if條件句中，主從句的謂語(yǔ)動(dòng)詞的相應(yīng)形式參見(jiàn)上表。2.虛擬語(yǔ)氣用于錯(cuò)綜時(shí)間條件句中，主從句動(dòng)作發(fā)生的時(shí)間不一致，這時(shí)主從句動(dòng)詞的形式應(yīng)根據(jù)句意或時(shí)間來(lái)調(diào)整，選用適當(dāng)?shù)奶摂M形式。3.如果條件句中包含有一個(gè)助動(dòng)詞、情態(tài)動(dòng)詞、動(dòng)詞be或have，有時(shí)可以把if省略掉，但這時(shí)要把助動(dòng)詞、情態(tài)動(dòng)詞、動(dòng)詞be或have放在主語(yǔ)前。4.表示“若不是”之意時(shí)，可以用如下兩種句型：Ifitweren'tfor.＝butfor…意為“若不是（對(duì)現(xiàn)在情況的假設(shè)）”。Ifithadn'tbeenfor.＝butfor…意為“當(dāng)時(shí)若不是（對(duì)過(guò)去情況的假設(shè)）”。5.在含蓄條件句中，可以用有些介詞(with,without,butfor)，連詞(or,otherwise,but,however)、不定式短語(yǔ)、名詞短語(yǔ)或陳述句表示虛擬的條件。專項(xiàng)練習(xí) A.willbuy A.wouldhavelostB.wouldlose C.hadlost D.lost Ifthechildhadn'tbeensotired,heA.willnothavefallen B.willnotfall A.willhave C.have A.willfeel B.felt D.feel .A.wouldhavebeen...hadn'trained B.willbe...hadn'trainedC.wouldhavebeen...shouldn'train D.willhavebeen...didn'train B.willknow D.wouldknow A.is...hadbeen B.was...wereC.willbe...shouldbe D.wouldbe...hadbeen IfIweretodothiswork,IA.woulddo B.do C.willdo D.did Iftheplanecrashed,we.A.wouldallkill B.willallbekilled D.wouldallbekilled A.willbe B.is D.wouldbe A.Ifitdoesnotrain C.Haditnotrained D.Ifithasnotrained Shoulditstopraining,I B.went D.wouldgo A.Could C.Must Iftheteacherhadn'texplainedittome,I —Whydidn'tyoubuythatdictionary?

—I A.would IfJanehadn'tmissedtheearlytrain,sheontime,butshewaslate.A.willarrive B.wouldarrive C.wouldhavearrivedD.hadarrived Butforyourhelp,IA.can'tfind B.can'thavefoundC.couldn'thavefoundD.haven'tfound A.Unless D.Had ,Iwouldn'tdothat.A.IfIaminyourplace B.WereIinyourplace D.IfIamtobeinyourplace A.IfIhavebeenyou B.IfIwouldbeyouC.IfIwillbeyou A.will...accept B.are...goingtoacceptC.do...accept D.would...accept25.—Alice,whydidn'tyoucomeyesterday?—I A.had C.wasgoingto D.BorCKeys:1-5BACBC 6-10ACDAD11-15DDCDD16-20CBCAC21-25DBDDD thedoctor'sadvice!A.followed C.follows D.follow A.hasn'twashedB.doesn'twash C.wouldn'twash D.hadn'twashed alltheworkhimself,butinfactHarryandLilydidmostofit.A.did D.doKeys:1-5ABDDBvi.在wouldrather/prefer/sooner和butthat后引出從句時(shí)虛擬語(yǔ)氣的用法1.wouldrather/prefer/sooner…were/did表將來(lái)。2.wouldrather/prefer/sooner…h(huán)addone表過(guò)去。3.butthat表達(dá)“若不是……”之意引出從句時(shí)，主句要用虛擬語(yǔ)氣：wouldhavedone表過(guò)去；woulddo表現(xiàn)在或?qū)?lái)；wouldbedoing表現(xiàn)在進(jìn)行。4.在lest，forfearthat，incase引出的從句中，用“(should)+動(dòng)詞原形”，表達(dá)“為了不……，以免……”之意時(shí)，從句用“should+動(dòng)詞原型”的虛擬語(yǔ)氣，should可以省略。5.表達(dá)祝愿的句型有：1)省略主語(yǔ)，動(dòng)詞用原形2)May+主語(yǔ)+動(dòng)詞原形6.otherwise或or（否則，不然）后引導(dǎo)的從句中常用虛擬語(yǔ)氣。專項(xiàng)練習(xí) I'dratheryou A.don't B.won'tdo C.hadn'tdone D.haven'tdone I'drathermyson A.go B.went C.willgo D.goes I A.couldlend...didn'tknow B.couldhavelent....don'tknowC.couldhavelent...didn'tknow D.wouldhavelent...don'tknow D.AorB A.Can C.Must D.Will A.wouldn'thavestayed B.wouldn'tstayC.