虚拟语气,对将来的,if they were to do,否定是if they were not to do嘛

虚拟语气,对将来的,if they were to do,否定是if they were not to do嘛 虚拟语气倒装,对将来的,if they were to do是were they to do,对现在的,if they did是did they do 在初中经常有if对将来的虚拟这语法点 如If it rains tomorrow,we will not go shopping.但是到了高中的虚拟语气中,对将来的虚拟应该是If it would rain tomorrow,we didn't/were not to/ should go shopping.这个如何解释 关于虚拟语气的虚拟语气中关于跟将来事实相反的,从句用should do或were to do,怎么区分用这两种形式呢?比如：If they were to arrive before we leave,we should have a wonderful dinner.If they should arrive before we lea if的虚拟语气 虚拟语气对现在和对将来的虚拟有什么不同啊 区分if虚拟语气和if引导从句的一般将来式该怎样区分? 虚拟语气的现在时和将来时今天学习虚拟语气 学了将来时态和现在时态.但是有一个地方没弄明白.如下：虚拟语气现在时：if it rains tomorrow,we will cancel the picnic虚拟语气将来时：if it should rain 虚拟语气中对将来假设的问题If it were to rain,we would call off the match.这句话是不是表示 说话人潜意识相信明天是晴天? 在英语中虚拟语气的用法 如何对过去、现在、将来进行虚拟 假设 as if 的虚拟语气? 关于虚拟语气的构成对将来的事实的虚拟语气,构成是什么 要几个例句是几个 虚拟语气 ifif引导的虚拟语气,从句时态倒退一步吗?主句呢?在对过去进行虚拟时,是不是 if sb had done sth ,sb should have done sth?对现在的虚拟,是不是 if sb did sth,sb should do sth 对将来的虚拟是怎样的? 虚拟语气：as if的从句表示将来可以用过去式吗? 高中英语虚拟语气怎么判断对现在的虚拟还是对过去的虚拟还是对将来的虚拟这三个时态老分不清楚, IF 引导的虚拟语气.对过去,现在,未来的虚拟.的句型和特例. if虚拟语气,与过去事实相反,导致现在或者将来的结果相反,此时主句的谓语形式是什么虚拟语气If we hadn’t got everything ready by now,we _ a terrible time tomorrow.此时用would have had 还是would have?还有个 if引导的虚拟语气怎样解释