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1、2018高考总复习之状语从句、教学目标1.学习状语从句的基本用法2.学会在具体情境中对连接词的运用3.掌握状语从句与其他从句的区别二、教学重点：状语从句连接词的选用三、教学难点：学会在做题中总结如何使用正确的连接词预习案 （学生思考）概念及分类：在复合句中修饰主句或主句中的某一成分的从句叫状语从句。状语从句通常由从属连词或起连词作用的词组引导，有时甚至不需要连词直接和主句连接起来。状语从句根据它表达的意思不同，可分为时间 、地点 、原因 、目的 、结果 、条件 、方式 、比较 、让步 等九类。 时间状语从句（一）一 when, while和as1,when Task 1 察下面例句，总结其用法
2、：1)When I lived there, I used to go to the seashore on Sundays. 2)When the film ended, the people went back. 总结：when表示点时间时，从句中用短暂性动词;表示段时间时，从句中用用持续性动词。Task 2 完成下列句子中：3）We were having a meeting when someone broke in.4）We were about to set off on our way when it suddenly began to rain5）She was on the
3、point of going to shop when the telephone rang .（ring）6）Hardly had I arrived when the train left.7）He had just finished（finish）his home work when someone asked him to play basketball.总结：be doingwhen _ _: _be about to do when_ _be on the point of doingwhen ； had just done when_在以上结构中，when 的含义是：正当.时候
4、(= at that moment)，做为并列连词。when只能跟在前一分句之后。Task 3观察下列句子中when 的含义：8）It was foolish of you to take a taxi when you could easily walk there in five minutes.9）Why do you want a new job when you have got such a good one? 10）He walks when he might take a taxi.11）How can you hope for mercy yourself when you
5、show none总结:在以上句子中when表示条件，意思接近“在.情况下”如句 8. 9 或表示虽然，尽管的含义，相当于although或since如句 10 .11 Task 4 拓展：注意wheneve在句中含义：whenever是when的强势语,描述是经常发生的习惯性动作.12）I go to the theater whenever I get the chance.( 每当，每次 )13）Come and see me whenever you want to.（ 在任何时候 ）2, while Task 1 观察例句并总结用法，并把while的含义写在后面括号内：14）We w
6、ere listening to the radio while he was reading newspaper.（在.时候 ）15）I like tea while he like coffee.（ 然而 ）16）Please dont talk so loud while others are working.( 在.期间 )17）Strike the iron while it is hot. ( 在.时候 )18）While they are my neighbors, I dont know them well. （ 虽然 ） 19）I am fond of English whi
7、le he likes maths.（ 然而 ）总结： while引导时间状语从句时谓语动词须为_持续性动词作谓语 , 常用_进行_时态, 译为_ 在.时候如句 14， 16， 作为并列连词,表示_转折 ，译成_然而_；语气比but _弱_ 。如句 15, 19 while有时可引导让步状语从句，意思是虽然。如句 18 【提示】虽然during 与 while 意思很相近，但是during是 介词 ，不能引导从句。例如，20）During the summer holidays， we went swumming every day. 21） While John was watching T
8、V, his wife was cooking.时间状语从句（二） 、学习目标1.学习状语从句的基本用法2.学会在具体情境中对连接词的运用二、学习重点：状语从句连接词的选用三、学习难点：学会在做题中总结如何使用正确的连接词 预习案 3. asTask 1引导时间状语从句：观察例句并总结用法：1）As time goes on, its getting warmer and warmer. 2）The thief was caught as he was stealing in the supermarket. 3）They talked as they walked.总结：as表示 随着 as
9、引导时间状语，译为 当时候 。相当于when ，两者经常可以通用。as表示 一边.一边. ，强调从句和主句中两个动作交替进行或同步进行。 二“一就”的表达方式：Task 1 常用连词： as soon as, once , no soonerthan, hardly(scarecely,barely)when -ly 结尾的副词作连词： immediately, directly, instantly, the+ n. 的结构：the moment, the minute, the instant, the second Task 2 观察例句并总结用法：4）The moment I hear
10、d the voice, I knew father was coming.5）No sooner had we arrived at the station than the train left.6）The boy burst into tears immediately he saw his mother. 7）Once you see him， you will never forget him.8）The second the bell rang， the students rushed out of the classroom.总结：以上连词引导的从句动作一发生，主句的动作随即发生
11、，常译为_刚一就_注意：在no soonerthan ; hardly/scarcely/barelywhen 结构中，主句用_过去完成时_，从句使用一般过去时 （时态）。此外，当把no sooner或hardly等提到句首时，应用_ 部分倒装 （语序）。9）I had hardly got home when it began to rain.= Hardly had Igot home when it began to rain . 10) Tom had no sooner come here than I called you.= No sooner _had Tom come her
12、e than I called you._三特殊连词 Task 1观察例句并总结用法：10） He left me a good impression the first time I met him.11）The year my brother joined the army I graduated from the high school.12）Every time I see her, she is always busy. 13）I had waited for 3 hours by the time the train arrived. 14）I shall have finishe
13、d my work by the time you return.总结：表示时间的名词或名词短语也可以引起时间状语从句，如：_ the first/second/last time，next time， every/each time the day/week/year ,all the time .注意： by the time引导时间状语从句，意为到.时为止，当从句为一般过去时，主句要用 过去完成时 当从句为一般现在时，主句要用 将来完成时 四 till、 until 和not until Task 1观察例句并总结用法：15）You may stay here until the rai
14、n stops.16）He wont go to bed until she returns.17）Until you told me I have no idea of it.18）People do not know the value of their health till they lose it.19）It was not until you told me that I had any idea of it.20）Not until you told me did I have any idea of it. 总结: 肯定句主句谓语动词必须是_延续性动词,意为某动作一直延续到某时间点才停止。 否定句：主句谓语动词必须是_非延续性动词,意为某动作直到某时间才开始。_until _可以用于句首，而_till _不可以。在强调句型中not until 两词在一起不分开；Not until 位于句首时，主句要用 部分倒装。时间状语从句（三）、学习目标1.学习状语从句的基本用法2.学会在具体情境中对连接词的运用3.掌握状语从句与其他从句的区别二、学习重点
