虚拟语气用法

nullnullnull虚拟语气在arrange, command, demand, desire, insist, order, propose, request, require, suggest等V.后面的宾语从句中用(should) +v.结构： He demanded that we (should) start right away. We insisted that she (should) go with us. We insisted that he had never stolen anything. 作advice, idea, order, demand, plan, proposal, suggestion, request的从句也用虚拟结构 My idea is that he (should) do exercise first.null虚拟语气在定语从句中： It is (high) that we were going. It is time that we left. It is time that we should tell you. 虚拟语气在would rather的从句中： I’d rather you told the truth next time. I’d rather you paid me now. I’d rather she hadn’t done that. 虚拟语气在as if从句中： It looks as if it might/would rain. He looks as if he were an artist. He speaks English fluently as if he had studied in England.null虚拟语气在wish后的宾语从句中的用法：be  were V.过去式had + p.p.I wish I knew the answer. (I don’t know it.) I wish it were Summer holidays now. (it isn’t)I wish (that) I hadn’t wasted so much time. He wishes he had caught the last bus.null特殊情况：null虚拟语气在条件从句中的用法：be  were V.过去式Would/could/ should/might + V.had + p.pIf I were you, I should choose to go.Would/could/ should/might + have+p.p.V.过去式 were to +v. should +v.If you had come yesterday, you would have met the famous professor.If you won the game, we would have a feast. If it were to snow tomorrow, they couldn’t go.Would/could/ should/might + V.null1.It’s a pity that it’s not spring all the year round. I wish it were spring all the year round. 2.I want to go to Shanghai, but I can’t. I wish____________________________. 3.It’s impossible for you to solve the problem. I wish ____________________________.I could go to Shanghai.you could solve the problemnull4.It was a pity that I missed the lecture last Friday. I wished ________________________ ______________________________. 5.I won’t let you go. It is raining. If______________________________. 6.You will feel cold because you don’t have enough clothes on. If______________________________ _______________________________.I had not missed thelecture last Fridayweren’t raining, I would let you gohad enough clothes on, you wouldn’t feel coldnull7.You didn’t work hard. That’s why you couldn’t pass the exam. If______________________________ ____________________________. 8.It’s too bad you won’t go with us. If _____________________________.had worked had, you could have passed the exam.you went with us, it would be very nicenull注意：if条件句的倒装If条件句中如有：were, should, had,可以省略if, 并使用倒装If I were a teacher, I would be... Were I a teacher, I would be…. If I had come here yesterday, I … Had I come here yesterday, I…. If it should snow tomorrow, they… Should it snow tomorrow, they…null注意：虚拟语气有时可不用if条件句2.用without代替There would be no living things on the earth without the sun.null1.If they were here, they would help us. _________________________, they would help us. 2.If he had not been for me, you would have been cheated. _________________________ you would have be cheated 3.We should not have finished my work if you had not had your help. We should not have finished my work ________________________Were they hereHad he not been for me, without your help.null改错：1.If I knew French, I can read the book in the original. 2.She would have come if we invited her. 3.The fire would have not been put out without the firemen. 4.Had it not for your help, we couldn’t solve this problem. 5.I wish I can fly like a bird. 6.I wish I knew the answer, but I didn’t.couldhadWerecouldhad