虚拟语气 一、过去时含有虚拟 I wish I knew you. I am hungry. I could eat a horse. Could you help me? Can you help me? Would you tell me your name? I always walk along the street. I might look into shop windows. 二、假设 1 条件：if+现在时，现在时 If it rains, I’ll stay at home. 2 一般假设：if+过去时，过去将来时 If the factory closed down, many people would be out of work. 3 绝对假设：if+过去完成时，情态（过去）+现在完成时 If he had told the news, I would have gone to the hospital to see him.