as if 虚拟的用法He treated me as though/as if _____ his own son.A.I am B.I would be C.I was D.I were前后时态有什么关系

虚拟语气as if 的用法? 求if、only if 、as if虚拟语气的用法? as if 后加事实和虚拟时的用法 as if it 后应是were还是was?as if虚拟语气的用法 帮我看看as if后面be动词的用法区别He looks as if he were ill.He looks as if he is ill.都是他仿佛病了.还有He looks as if he were sleeping.和He looks as if he is sleeping.都是一个意思,用were的一定是虚拟语气了,但 as if 的虚拟语气? as if 虚拟的用法He treated me as though/as if _____ his own son.A.I am B.I would be C.I was D.I were前后时态有什么关系 otherwise或as if以及but for 引导的虚拟语气的用法 在虚拟语气中as if的用法 尤其是用在将来时的时候 as if的虚拟语气的用法例如as if 后面的动词一定是过去式（be 动词一定是were?) 如果是再接一个宾语从句呢?.as if he were convinced that he was the winner.我这样写对么?求证!那单看这句 ....as if he were con the little boy knows many things as if he was a man..句中的was的用法是正确的吗?因为在as if 的虚拟中,be应该用were的呀?谢咯. as if 的用法, 虚拟语气if的三种用法 关于as if 的虚拟语气as if 虚拟语气中的be 动词一定要用were 虚拟语气的句型 还有他们的用法我也不太清楚 就是像if only 还有...as if...应该还有好多.一定要有详细用法.谢啦^^ he opened his lips as if he were to speak.as if 后接对过去的虚拟不是应该用had done吗 为什么用were as if引导的虚拟句是否遵循时态倒退原则呢?He talks about Rome as if he had been there before如何解释 he acted as if he had never lived in England before后面用了虚拟语气,额 说明一下这其中的 虚拟语气的结构啊.