考点 32 条件状语从句高考频度：★★★★★一、条件状语从句1. if 引导的条件状语从句if 可引导非真实条件状语从句(见＂虚拟语气＂)和真实条件状语从句。If he said that, he can’t be telling the truth. 假如他说了那样的话，他不也许是说实话。2. unless 引导的条件状语从句unless 引导的与否认条件状语从句，在意义上相称于 if...not，并且语气较强，一般不用于虚拟语气。You’ll be late unless you hurry. 你会迟到的，假如不赶紧的话。1.(·北京卷·单项填空) _________ we don’t stop climate change, many animals and plants in the world will be gone.A. Although B. While C. If D. Until【答案】C2.________ we have enough evidence, we can't win the case.A. Once B. As long as C. Unless D. Since【答案】C 【解析】考察连词。句意：假如我们没有足够的证据，我们就赢不了官司。后句说官司打不赢，用 unless来表达相反的条件。【名师点睛】条件状语从句就是在复合句中表达主句动作发生条件的状语从句。引导条件状语从句最常常用的连词是 if，它的意思是＂假如＂； 也可以用 unless 引导：unless 的意思是＂假如不＂＂除非＂，相称于 if not。3. only if 引导的条件状语从句only if 在引导条件状语从句时意为＂只有……(才)；只有在……的时候，唯一的条件是……＂。I’ll let you use the car only if you keep it in good condition.只要你把车保养好，我就让你用。4. as/so long as 引导的条件状语从句as/so long as 意为＂只要；假如＂。As long as it doesn’t rain, we can play.只要不下雨我们就能玩。You won’t find paper cutting difficult _____you keep practicing it.A. even if B. as long as C .as if D. ever since【答案】B5. provided (that)/providing (that)引导的条件状语从句provided (that)/providing (that)意为＂假如；假如＂。I will agree to go provided / providing (that) my expense is paid.假如为我承担费用，我就同意去。Providing you promise not to tell anyone else I’ll explain the secret. 假如你承诺不告诉他人，我就告诉你这个秘密。6. on condition that（条件是）和 suppose / supposing (that)（假...
