If条件句中虚拟语气的用法a.if真实条件句表示条件是真的或有可能实现的,采用陈述语气。b.if虚拟条件句表示条件是虚拟的或几乎无法实现的,采用虚拟语气。表示说话人的愿望、假设、猜测或建议,而不表示客观存在的事实。即:不是事实或不大可能发生的事情,就用虚拟语气来表述如果我有一千万,我就能买一栋房子.(我有一千万吗?)如果我有翅膀,我就能飞。(我有翅膀吗?)if引导的虚拟条件句①与现在事实相反②与过去事实相反③与将来事实可能相反if虚拟条件句if虚拟条件句主句与现在事实相反的假设If+主语+动词的过去式(be动词一般用were)主语+would(should/might/could)+动词原形即:If+一般过去时态(be动词一般用were)IfIweretheschoolmaster,Iwouldletthestudentsgetupalittlelatertogetabettersleep.与现在事实相反if虚拟条件句if虚拟条件句主句与过去事实相反的假设If+主语+had+动词的过去分词即:If+过去完成时态主语+would(should/might/could)+havedoneIfhehadgotupearlier,hecouldhavecaughtthetrain.与过去事实相反if虚拟条件句if虚拟条件句主句与将来事实相反的假设1、If+主语+动词过去式2、If+主语+wereto+动词原形3、If+主语+should+动词原形主语+would(should/might/could)+动词原形与将来事实相反Ifitwere/shouldbefinetomorrow,Iwouldgotoseehim.Exercise:1.如果我是你的话,我现在会用另一种方法做那件事.IfIwereyou,Iwoulddoitinanotherway.2.我昨天要是有时间,我就和你一起去那了.IfIhadhadtimeyesterday,Iwouldhavegonetherewithyou.4.要是你早来几分钟的话,你就能见到他了。5.如果没有虚拟语气(subjunctivemood),英语会更容易些。Ifyouhadcomeafewminutesearlier,youwouldhavemethim.Iftherewerenosubjunctivemood,Englishwouldbeeasier.3.如果明天下雨,我们就不去野炊了.Ifitweretorain/shouldrain/rainedtomorrow,wewouldn’tgoforapicnic.IftheGod________________________(give)meanotherchance,I_____________thegirlthreewords:Iloveher!should/weretogive/gavewouldtell如果上天能够给我一个再来一次的机会,我会对那个女孩子说三个字:我爱你。if虚拟条件句主句与现在事实相反的假设与过去事实相反的假设与将来事实相反的假设1、If+主语+动词过去式2、If+主语+wereto+动词原形3、If+主语+should+动词原形If+主语+动词的过去式(be动词一般用were)主语+would(should/might/could)+动词原形即:If+一般过去时态(be动词一般用were)If+主语+had+动词的过去分词即:If+过去完成时态主语+would(should/might/could)+havedone主语+would(should/might/could)+动词原形注意以下问题:•1.错综时间虚拟条件句•2.(if省略)倒装虚拟条件句•3.含蓄条件句