主句用will 从句应用would 对不The space program will advance ,____the people’s standard of living will suffer A if B while C which D in order that B如果用A C D 说明这两个句子 前一句是主句 后一句是从句 主句用will 从

主句用will 从句应用would 对不The space program will advance ,____the people’s standard of living will suffer A if B while C which D in order that B如果用A C D 说明这两个句子 前一句是主句 后一句是从句 主句用will 从 虚拟语气,主句一般现在时,从句用现在时还是过去时?If you leave now,you would never regret it.还是you will never regret it.对呢？ if 从句小疑问if 引导状语从句,主句用将来时,从句用一般现在时.比如:She will tell you the truth if she comes back tomorrow.但是如果是if 表示虚拟语气时,比如对现在的虚拟,主句就用would do,从句用过去式 I supported him in time,otherwise he would have fallen off the brink.A might fall B would fall C would have fallen D should have fallen为什么不选B?从句是一般过去式,主句应用would+原形, 英语的一道选择题.（求高手解答）If I found the book,I _____it to you.A,will bring B,would have brought C,would bring D,might have brought从句用的是find的过去式,那就是与现在事实相反,主句应用would+动原的 If we had enough time to prepare,the result______ much better.A.would beB.would have beenC had beenD were前面if从句用had 不就表示是对过去的虚拟,后面主句应该选B啊, were i to do it ,i ____it some other way a will do b would do c would have done d were to do为什么不选b不是对将来的虚拟吗从句是were to主句would should 接动词原形吗 when before until 主句从句时态用when连接时 主句是过去进行时 从句是一般过去时?用before连接时 主句用过去式 从句也相应的用过去式?用until连接时 主句用的时态 从句也对应用该时态?还是单单 i don't know who will come这是个宾语从句对吧,从句的时态不应该与主句相同吗,为什么还用will as引导时间状语从句,主句和从句应用什么时态?是不是都用进行时? 英语 if条件虚拟语气If it were not the fact that he was a millionaire,she ________him.A might never marryB will never marryC would never marry D would never have married为什么不是C 对现在的虚拟,从句用过去式,主句用would+动 英语高手请进关于虚拟语气的问题有一种：从句对过去虚拟,主句对现在或将来虚拟的混合情况主句用would/could+do还有一种：从句对过去虚拟 主句用would/could/+have do这两种到底有何区别?有如下 If the train leaves at half past ten,there ____ no time to lose.A.would B.is C.will D.has为什么不是 there will be if 条件状语从句，主句用将来时，从句用一般过去时表将来。 问一下英语中,主句用将来时态,从句用一般现在时态,主句中能否用would表将来? 英语语法 状语从句中不能用will和would? no one knows what the life likes without water还是把likes改成would be like,但我们老师说主句是一般现在时,从句不可以用过去将来时,只有在主句是过去时才可用, 与将来相反的虚拟句,从句谓语用were to do,主句would do.那么下面这句话i were to stay at home if it would rain tomorrow.前面不应该是主句用would 后面if 才是从句用were to 怎么反过来了 还是我哪里弄错了 宾语从句中,主句如果是疑问句,从句应用什么时态.shutting the door behind you ,or the dog will go out.