2016届高考英语一轮复习课件：第一部分模块复习方略选修六 Unit17(北师大版)_高考复习指南

2016届高考英语一轮复习课件：第一部分模块复习方略选修六 Unit17(北师大版)

　　While_still_at_primary_school，Rowan had already shown admirable acting talent. 当上小学时，罗恩就已经表现出令人赞叹的表演天赋。 (1)句中while后省略了he was。当while从句中的主语与主句的主语一致，且含有be的某种形式时，从句中的主语连同be可同时省略。while后可直接跟现在分词、名词、形容词或介词短语。 ①While crossing the street，you must be careful. 过马路时，你必须小心。 (2)while的用法归纳 ●引导时间状语从句，意为“当……的时候；和……同时”，此时的主从句谓语动作同时发生，从句谓语通常是延续性动词。 ②While(she_was)listening_to_the_radio，she fell asleep. 她听着收音机睡着了。 ●引导让步状语从句，通常位于句首，意为“尽管；虽然”。 ③While I agree with your reasons，I can’t allow it. 尽管我同意你的理由，但我不能允许这样做。 ●引导条件状语从句，意为“只要”，其意思和用法相当于as long as。while可位于句首，也可位于句中。 ④You don’t have to worry while we are here. 只要我们在，你就别着急。 ●连接并列句，表示对比或转折，意为“而；然而”。此时，while一般位于句中。 ⑤Some people waste food while_others_haven’t_enough．有些人浪费粮食，然而有些人却吃不饱。

　　[链接高考] 1．(2017·新课标全国卷Ⅰ改编)There’s no way of knowing why one man makes an important discovery while another man，also intelligent，fails. 2．(2017·江苏高考书面表达)Some people support it while others do not. [学以致用] Ⅰ.指出下列各句中while的用法及含义　①While he loves his students，he is very strict with them.表示让步，意为“尽管，虽然” ②There will be life while there is water and air.表示条件，意为“只要” ③He caught a cold while(he was)on vacation.表示时间，意为“当……的时候” ④You like sports，while I prefer music.表示对比或转折，意为“而，然而” Ⅱ.单句语法填空 1．While my teacher didn’t tell me directly，I still felt that I didn’t live up to her expectation. 2．The edictionary my father bought me is of great help in my English study. 3．The difficulty the couple had finding(find)their lost child was soon forgotten when they discovered her.