含蓄条件句用介词代替条件状语从句 用介词代替条件状语从句 常用的介词有with, without, but for。如： What would you do with a million dollars? (=if you had a million dollars) 如果你有100万元，你会做什么？ We couldn’t have finished the work ahead of time without your help. (=if we hadn’t got your help) 没有你的帮助，我们不可能提前完成这项工作。 Without your help, we couldn’t have finished the work ahead of time. = But for your help, … = If it had not been for your help, … = Had it not been for you help, … 没有你的帮助，我们不可能提前完成这项工作。 刷题王 单词快速记忆法 新概念英语青少版 含蓄条件句 有时在虚拟语气中并不总是出现if引导的条件句，而是通过其他手段来代替条件句。如： I was ill that day. Otherwise, I would have taken part in the sports meeting. (副词) He telephoned to inform me of your birthday, or I would have known nothing about it. (连词) A man who stopped drinking water would be dead in about seven days. (定语从句) I might have given you more help, but I was too busy. (连词) Everything taken into consideration, they would have raised their output quickly. (独立主格结构) 1. If my lawyer＿＿＿here last Saturday, he＿＿＿me from going. A. had been, would have prevented B. had been, would prevent C. were, would prevent D. were, would have prevented 2. If it＿＿＿for the snow, we＿＿＿the mountain yesterday. A. were not, could have climbed B. were not, could climb C. had not been, could have climbed D. had not been, could climb 3. Without electricity(电) human life＿＿＿quite difficult today. A. is    B. will be    C. would have been    D. would be 4. I didn’t see your sister at the meeting, if she＿＿＿, she would have met my brother. A. has come    B. did come    C. came    D. had come 5. When the pencil is partly in a glass of water, it looks as if it＿＿＿. A. breaks    B. has broken    C. were broken    D. had been broken