2012年高考英语语法复习课件-状语从句中的省略.ppt

状语从句中的省略;1. The research is so designed that once _______ nothing can be done to change it. A. begins B. having begun C. beginning D. begun 2. The eighteen-storied building, when ____, will shut out the sun lighting up the rooms in my house. A. completed B.to be completed C.completing D. have completed;3.If you go to Britain, you’ll find the streets there less beautiful than commonly _______. A. Supposing B. supposed C. to suppose D. suppose 4. I’m sure all will go well as________. A. being planned B. planned C. having planned D. planning;; :什么时候可以省略?怎么省略? 在含有状语从句的复合句中若从句的主句是it或与主句的主语相同，且在谓语中含有be时，常省略从句的主语和be。 ;一、 在含有状语从句的复合句中 1.when，while，as, once，whenever引导的时间状语从句； 2.if，unless引导的条件状语从句； 3.though，although，even if ，even though引导的让步状语从句； 4.as though，as if，as引导的方式状语从句； 5. wherever引导的地点状语从句 ;;:省略在As if引导的方式状语从句中应用的较多. ;高考链接： 1. When first ________ to the market, these products enjoyed great success. (NMET 2004全国卷II) A. introducing B. introduced C. introduce D. being introduced 2. It shames me to say it, but I told a lie when ________ at the meeting by my boss. (NMET 2004全国卷IV) A. questioning B. having questioned C. questioned D. to be questioned 　;3. The man we followed suddenly stopped and looked as if ________ whether he was going in the right direction. (NMET 2003 安徽春) A. seeing B. having seen C. to have seen D. to see 4. Generally speaking, ________ according to the directions, the drug has no side effect. (NMET2003上海卷) A. when taking B. when taken C. when to take D.when to be taken;5. Unless ________ to speak, you