虚拟语态问题If he had worked hard,he (would have succeeded)为什么不能用w

if he had worked harder,he would have succeeded,这里为什么要用would 虚拟语气If she had worked harder,she would have succeeded这是过去完成时 if he had worked hard at high school ,he would be a college if a had a chance ,i would have worked hard这句 话是过去时的虚拟语气吗 Stave said that if he had known how it worked,he would have if i had worked hard,i would have succeed （ ）,he would have passed the exam.A.If he studied hard B.Had 虚拟语气中 省略if的用法 if he had known the truth,he would have told t If he had worked hard____. he would have if i had asked He succeeded after ten years of hard working 能不能用完成时态? 英语虚拟问题He looks as if he had been ill for long.虚拟语气定义是说动作或状态不