2019年外研版英语选修8学案:Module 4 Section Ⅲ 复习状语和状语从句
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1、Section_ Grammar 复习状语和状语从句语法图解探究发现It can sound very different from place to place.For example, within London the most famous dialect is cockney.One woman was lying in bed, awake.A customer came up to the author holding a copy of the book and said Emma Chissit.The boy needs a pen to do his homework.W
2、ell start our project if the president agrees.Ill give you an answer immediately Ive finished reading the report.The head of the company promised to deal with matters of this sort the moment he returned to his office.Poor as he was, he was honest.我的发现(1)句为词语作状语,句为句子作状语。(2)为非谓语动词作状语。(3)句中的条件状语从句用一般现在
3、时代替一般将来时。(4)句用副词引导状语从句;句用名词性短语引导时间状语从句。(5)句中的状语从句使用了倒装语序。一、状语(一)概念修饰动词、形容词、副词或整个句子的成分,叫作状语。用作状语的通常是副词、介词短语、不定式和从句等。状语一般放在被修饰的词之后或放在句尾。副词作状语时可放在被修饰的词前或句首。(二)状语的位置修饰形容词的状语,通常放在所修饰的词之前;修饰动词的状语,一般放在所修饰的动词之后。但有些副词作状语,则放在实义动词之前,助动词、be 动词或情态动词之后,如 always, often, usually, never, ever 等。(三)状语的构成1副词作状语He spea
4、ks English quite fluently.他的英语说得非常流利。2名词作状语Well have a classmeeting on Monday.我们将在星期一开班会。3数词作状语He came out first in the exam.他考试得了第一名。4形容词(短语)作状语Ripe, the oranges taste sweet.这些橘子熟时,味道甜美。5不定式作状语I opened the window to let some fresh air in.我打开窗户让新鲜空气进来。6分词作状语Heated, water changes into steam.当水加热时,变成水
5、蒸气。7介词短语作状语When we heard the good news, we jumped with joy.当我们听到这个好消息时,我们高兴地跳了起来。8独立主格作状语It being Sunday, the library is closed.因为是星期天,图书馆关门了。9从句作状语We must strike while the iron is hot.我们必须趁热打铁。即时演练 1 画出下列句子中的状语When_Susan_goes_to_town,_she will visit her grandma.Full_of _hope,_the local people are w
6、orking hard to_rebuild_their_hometown.Having_lived_abroad_for_twenty_years, _the old man returned to his hometown where he was brought up.I will stay another_five_months.Mary didnt go shopping because_I _advised_her_not_to.In_spite_of _the_heavy_rain,_they arrived.Always look your homework through b
7、efore_handing_it_in.二、状语从句(一)状语从句的概念及分类用来修饰谓语动词、其他动词、定语、状语或整个句子的从句叫作状语从句。可分为时间、条件、原因、让步、比较等状语从句。(二)各种状语从句的具体用法1时间状语从句时间状语从句常由以下引导词引导:when; while; as; before; after; since; until; as soon as; no sooner .than .; hardly .when; the moment; every time; immediately 等。Awhen, while, as 引导的时间状语从句(1)when 表示时间
8、点时,从句中用非延续性动词;表示时间段时,用延续性动词。You had already gone when I arrived there.当我到达时,你已经走了。(when 表示时间点)When I lived in the countryside, I used to carry some water for him.当时住在农村,我常常为他担水。(when 表示时间段)(2)while 表示“在期间”或“在某一段时间里”,它所引导的从句的动作是延续性的,并侧重表示和主句动作的同时发生。Sam went through a magazine while he waited.萨姆一边等着一边
9、翻阅杂志。(3)as 引导的时间状语从句as 表示从句的动作与主句的动作同时发生,一般与延续性动词连用。As I watched them, an idea struck me.我看着他们时,产生了一个想法。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。As the students walked to their dorms, they sang happily.学生们一边往宿舍走,一边快乐地唱着歌。as 还可以说明两种正在发展或变化的情况,意为“随着”,表示时间的推移。As time goes on, its getting warmer and warmer.随着
10、时间的推移,天气变得越来越暖和了。Bsince 引导的时间状语从句since 表示从过去某一时间或动作起到目前为止,意思是“自以来”。引导状语从句时,主句用现在完成时或现在完成进行时,since 从句中一般用非延续性动词的一般过去时。Weve been friends ever since we met at school.自从我们在学校认识之后,我们就一直是好朋友。Cbefore, after 引导的时间状语从句(1)before 表示在一段时间之前。after 表示在一段时间之后。I had written my dissertation before my supervisor went
11、 abroad.在导师出国之前,我已完成了我的学位论文。I found your coat after you had left the house. 你离开房子之后,我发现了你的外衣。(2)before 有时翻译成“才”“不到就”“趁就”“还没( 来得及)就”。It was quite a few years before he finally finished his novel.过了好几年他才完成他的小说。He ran off before I could stop him.我还没来得及阻止他,他就跑掉了。Dtill, until 引导的时间状语从句(1)如果主句的谓语动词是延续性动词,
12、就常用肯定式表示“直到为止”;如果主句的谓语动词是非延续性动词,就常用否定表示“直到才”。He will remain in college until (till) he finishes his Ph.D course.他将留在学校里直到完成他的博士学位课程。I didnt wake up until I heard the alarm clock. 直到听到闹钟的铃声我才醒来。(2)当 not until 位于句首时,主句中的主语、谓语要使用倒装语序。Not until he came back did I leave.直到他回来我才走。名师点津 until 引导的从句可以放在主句之前或
13、主句之后,但 till 从句一般不放在句首。在强调句型中一般只能用 until,不用 till。It was not until she took off her dark glasses that I recognized her.直到她摘下墨镜,我才认出她来。E表示“一就”的时间状语从句as soon as, once, immediately, instantly, directly, the moment, the minute, the instant, the second, no sooner .than, hardly . when, scarcely .when 等引导的从句
14、都表示从句的动作一发生,主句的动作随即就发生了,即“一就”。As soon as we got home, the telephone rang.我们刚到家,电话就响了。He said hed turn on TV the moment he got home.他说他一回到家就打开电视机。名师点津 hardly/scarcely .when, no sooner .than 引导的从句中的动词用一般过去时,主句中的动词用过去完成时。当 hardly, scarcely, no sooner 位于句首时,主句应用倒装语序。Hardly had I arrived at the theatre w
15、hen the performance began.我刚到剧场,节目就开始了。Fnext time, the first time, the last time, every time, by the time 等引导的时间状语从句Do look me up the next time youre in London.你下次到伦敦,务必来找我。By the time we got there, the play had already begun.等我们到那里时,戏已经开始了。即时演练 2 (1)选词填空when, while, as, before, after, since, until,
16、 the momentThe_ moment I heard the news, I rushed to the spot.When she came in, I was cooking dinner.While my wife was reading the newspaper, I was watching TV.As time goes on, things are getting better and better.I didnt go to bed until my father came back.My father had left for Canada just before
17、the letter arrived.After she had finished her dinner, Lucy began to read a novel.It is five days since he came here.(2)完成句子Not_until one of my classmates patted me on the shoulder did_I come to myself.直到我的同班同学拍了一下我的肩膀,我才回过神来。No sooner had_she_heard_the_news_than she fainted.她一听到这个消息,便昏了过去。It wont be
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