虚拟语气lina.ppt

Subjunctive Mood;1.英语动词有三种语气， 陈述语气，祈使语气和虚拟语气。 2. 虚拟语气定义：用来表示说的话不是事实，与事实相反，或者是不可能发生的情况，而是一种愿望，建议，假设的语气叫虚拟语气。;　 条件句可分为两类，一类为真实条件句，一类为非真实条件句。非真实条件句表示的是假设的或实际可能性不大的情况，故采用虚拟语气。 ;1 真实条件句? 　　真实条件句用于陈述语气，假设的情况可能发生，其中 if 是如果的意思。 If he comes, he will bring his violin. ;条件从句;1.If I had HIV, I would know because I would feel sick. 2.If I were you, I would give AIDS patient a hug. 3. If you had come earlier, you would have seen her. ;5.If it should rain tomorrow, they wouldn’t go for an outing. 6.I think we could do it, if we planed it properly and could borrow the tools. 7. If we were to have three days off , we would enjoy a very happy life. ;二：虚拟语气特殊句型：;2. Would rather that;3. as if /though + Clause ;4.It’s (about/high) time +that ---;5 特殊的虚拟语气词：should?;2).名词性从句包括主语从句，表语从句和同位语也要使用虚拟语气。 ● 以上动词的名词形式order, advice, suggestion, proposal, demand, request, desire构成的宾语从句和同位语从句中;It’s suggested that the plan be carried out. My demand is that she should come to see me once a week. All of us are for the advice that the chemical factory should be closed down.;6.without和but for 构成虚拟。but for要不是 Without sunlight, people’s life would be different from today. But for your help, I wouldn’t have finished the work. Without your help, I would have failed. But for water, it would be impossible to live in the desert.;7. If only …要是就好了 If only I knew his name! If only we had followed your advice! If only I could see him again! ;三： 虚拟语气假设条件句型注意点：;2.假设条件虚拟倒装。 条件从句中有should， were， had三个助动词可以把if省略，并将这三个词提至句首。 If I were you, I would give it up. Were I you, I would give it up. If it were not for your advice, we couldn’t have got over the difficulties. Were it not for your advice, we couldn’t have got over the difficulties.;If I had had time, I would have run round that lake again. Had I had time, I would have run round that lake again. If there should be a flood, what should we do? Should there be a flood, what should we do?