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问题：将来时的虚拟语态的构成方法，及用法。谢谢 
 将来时的虚拟语态 的构成方法，及用法。谢谢
回答： 一、虚拟语态的几种固定句式   1.I wish.....(一定用虚拟)   1）I wish i were you   2)I wish that she were here wh me   2、as if...../as though 好象 (不一定用虚拟，要看说话的语境``)   1）He speaks as if he were an American.(如果他真的是美国人就不用虚拟了`)   2）He looks as if nothing had happened.   3、if I did/were....I would......   1)If I were you,I wouldn't do that   2)If it were to snow tomorrow,they would not go out   .(用were to 和were的区别是were to 是对将来的虚拟，   用were是对现在的虚拟`详见二、虚拟语态的几种形式```)   二、虚拟语态的几种形式   1、对现在的虚拟：（直接用动词的过去时....）   if I did /were.... I would.......   2、对将来的虚拟：if ..were to..I would....= if ..did...I would....   (此项与对现在的虚拟相同，但对现在的虚拟不用were to.   要区别对将来的虚拟和对现在的虚拟``一般句子里面都有时间标志``)   (If it were to rain tomorrow,we would not go out.   =If it rained tomorow,we would not go out.)   3、对过去的虚拟 If I had done....I would have done....   (If I had know the answer, I would have told you.)   (至于If ..had been done ...would have done   前面的been只是因为是被动语态```所以要看句子的具体意思````)   固定句型的补充。   要用虚拟语态的句子:   i would rather i could......(I would rather she could not come here)   if only..(但愿....)   A:I will go to Korean next month.B:If only I could go with you   虚拟语态表示动作或状态不是客观存在的事实，而是说话人的主观愿望，假设，推测，命令，建议，要求等。 三种基本结构：   1. 与现在事实相反的假设：一般过去时（be用were)，主句结构{ should(would)等+动词原型}   例如：If they were here ,they would help you.如果他们在这，会帮助你的。   2. 与过去事实相反的假设：过去完成时 主句结构：{should(would)等+have+过去分词}   例如：If he had come yesterday,i should(would)have told him about it.如果他昨天来的话，我会把这件事告诉他的。   3. 表示对将来不大发生的是的假想。一般过去时，were+不定式，should+动词原形；主句结构：{should(would)+动词原形。   例如：If you succeeded ,everything would be all right.如果你将来成功了一切都会好的。