状语从句经典第三讲条件状语从句.ppt

第三讲 条件状语从句;考点透视;知识充电 1）条件状语从句，时间状语从句都有主将从现现象。 2）if如果，表肯定含义的条件；unless如果不，表否定含义条件。 3）in case引导条件状语从句，意思是如果，假设将来发生某事； 引导目的状语从句时，意思是：以防（万一）。; 典题直击 （浙江） The medicine works more effectively _____ you drink some hot water after taking it. A. as???????B. until????????? C. although???????? D. if 【逻辑链】（若）服药后喝些热水与药更有效是条件关系；不是 ; （重庆） ______ we have enough evidence, we can’t win the case. ;（安徽卷） It’s much easier to make friends ______ you have similar interests. A.unless B. when C. even though D. so that ;（山东） How can you expect to learn anything you never listen？ A. in case B. even ifC. unless D. when 【引导词鉴别】in case假设将来发生的事情；even if即使；unless 除非；when如果，在……的情况下（已是事实）。 【逻辑链】如果你总不听，你如何指望学得会？是批评的味道， ;（陕西） My parents don’t mind what job I do I am happy. A.even though B. as soon as C. as long as D. as though 【命题意图】考查易混引导词含义：even though=though尽管；as soon as 一……就；as long as只要；as though=as if仿佛。 ;It is hard for the Greek government to get over the present difficulties_________ it gets more financial support from the European Union. A.if B. unless C. because D. since 【一词多义】get over克服，熬过；present现在的，在场， 礼物；support支持，养活 【高级词汇】government政府；financial support财政资助； ; environmental damage is done, it takes many years for the ecosystem（生态系统）to recover. ;知识充电 in case， on condition that， providing， provided （that）， supposing， suppose （that） 意思相近，指“假如，假使，在……条件下”（比if更为书面化）。 例如： 1.In case I forget, please remind me of my promise. 假如我忘记了，请提醒一下我的诺言。 2.Valfierno told the story to a journalist in 1914, on condition that it would not be published until his death.1914年瓦尔菲尔诺将事件真相透露给了一位记者，条件 是只有等到他死后才能将此事公之于众。 3.I will go, providing/provided (that) my expenses are paid. ; 能力突破 All the photographs in this book,