2016年江西成人高考专升本英语串讲知识虚拟语气

　　被动语态

　　助动词be + 及物动词的过去分词

　　含有情态动词：情态动词+ be + 及物动词的过去分辞

　　短语动词 ：example takes good care >> taken good care

　　虚拟语气

　　用来表示非真实的假设，表示命令、建议或说话人的主观愿望

　　条件从句 主句

　　违背现在事实 过去式 should / would / could / might + 动词原形

　　If the manager were here , he might make a decision immediately

　　违背过去事实 had + 过去分词 should / would / could / might + have + 过去分词

　　I could have done it better if I had been more careful

　　违背将来事实 should + 动词原形 should / would / could / might + 动词原形

　　were + 动词不定式( were to + 动词原形)

　　If it should rain tomorrow , what could we do ?

　　在下列结构的主语从句中，谓语动词用虚拟语气

　　It is necessary / imperative / important / essential / advisable that

　　It is proposed / desired / requested / suggested / recommended / demanded / decided / arranged that

　　混合虚拟句 条件从句表示的动作和主句表示的动作，在时间上不一致，动词形式需要调整

　　If you had taken the medicine yesterday , you would be well now。

　　Suggest , order , ask , demand , command , request , require etc.这些动词的宾语从句用虚