《时间状语从句教学内容.docx》由会员分享，可在线阅读，更多相关《时间状语从句教学内容.docx（15页珍藏版）》请在三一文库上搜索。
1、状语从句什么是状语：句子中修饰动词、形容词等的句子成分叫状语，用来从地点、时间、原因、目 的、结果、条件、让步、比较、方式和伴随状况等方面修饰说明谓语。e.g. He speaks En glish very well.（畐寸词作状语）e.g. He is playi ng un der the tree.（介词短语作状语）e.g. I come specially to see you.（不定式作状语）e.g. If I am not busy tomorrowwill play football with you.（从句作状语）e.g. Having had a quarrel with
2、his wife,he left home in a bad temper.分词作状语）状语从句：状语从句就是在复合句里起状语作用的从句，可以表示时间、地点、原因、目的、结果、让步、比较、方式、条件等。引导状语从句的连词叫做从属连词。 状语从句的位置可以在句首，也可以在句末。放在句首时，从句后面常用逗号 与主句隔开；放在句末时，从句前面往往不用逗号。If it ' s fine tomorrow, I will go with you.I will go with you if it' s fine tomorrow.状语从句分类：1、时间状语从句2、地点状语从句 3、原因状语
3、从句4、目的状语从句5、结果状语从句6、条件状语从句7、让步状语从句&比较状语从句9、方式状语从句时间状语从句从属连词：whe n, while, as, before, after, till/un til, sin ce, when ever, as soon as（一就）时态：主将从现，主情从现，主祈从现一、When/while/as （当时候）区别：主句动作与从句动作发生的时间（同时/之前/之后）；从句动词（延续性/瞬时性）1）When:when引导时间状语从句时表示 当的时候” when既可以指时间段也可指时间点，从句中既可用延续性动词又可用瞬间性动词，且动作既可和主句的动
4、作同时发生又可在主句的动作之前或之后发生。且when引导的时间状语从句中一般用一般现在时表将来（主将从现） 。e.g. I will call you whe n I get there.e.g. Whe n I came home my wife was cook ing dinner.e.g. I will go home when the rain stops.e.g. When I got to the airport, the guests had left.A) 如果 when引导的时间状语从句的主语与主句主语相同，而从句的谓语又是be动词时，那么从句中的主语和 be可以省略;e.
5、g. When (you are) in trouble, ask her for help.B) 当when引导的时间状语从句的主语与主句主语相同时，往往还可以省略从句的主语并用“ when分词”的形式替代该状语从句。e.g. When I came into the room (=Whe n coming into the room), I found him lyi ng there asleep.2) Whilewhile引导时间状语从句时表示当的时候”，它强调主句的动作与从句的动作同时持续地进行，用于这一用法时while引导的时间状语从句和主句中的谓语动词必须是延续性动词，或者强调主
6、句的动作发生在从句动作的进行过程 中此时主句中的谓语动词通常是非延续性动词。记住，从句中始终是延续性 动词，且从句多用进行时态。(while还可以表示对比，译成“然而”，放在句 首可以表示“虽然”)e.g. I met her while I was at school.e.g. While I was sleep ing, the UFO arrived.e.g. We were doing our homework while it was raining outside.e.g. Study while you study; play while you play.3) Asas引导时间
7、状语从句时表示 “当时”(只引导瞬间性动词，两个动作是 紧密联系的，一前一后进行)，“一边一边”，侧重表示两个动作同 时发生(包括一个主语同时进行两个动作)，“随着”，一种动作随着另一种 动作的变化而变化从句中只能接延续动词。e.g. He jumps as he goes along.e.g. As the wi nd rose the no ise in creased.【When, while , as 辨析】三者均可以表示 当时候”，如果主句表示的是短暂性动作，而从句表 示的是延续性动作(主短从延)，三者可以通用。I met Mr Li as / when / while I was
8、walking along the street.(1) While意为 在期间”，从句的谓语必须是延续性动词。The pla ne had left whe n we got to the airport.(2) 表示带有规律性的 每当”，或者主从句动作有先后时，都只能用when.Whe n win ter comes, it becomes cold.(3) 表示 随着”时间的推移，主从句的内容是两种变化的情况，只能用as.As the day went on, the weather got worse.(4) 强调主句动作延续到从句所指的整个时间，只能用while.【巩固练习】1) I
9、 had just stepped out of the bathroom and was busily drying myself with a towel I heard the steps.A. whileB. whe nC. sinceD. after2) He was about halfway through his meala familiar voice came to his ears.A. whyB. whereC. whe nD. while3) We were swimming in the lakesuddenly the storm started.A. whe n
10、B. whileC. untilD. before4) I ' m going to the post office.you ' re there, can you get me some stamps?A. AsB. WhileC. Because D. If5) Ialong the street looking for a place to park when the accident.A. went; was occurri ngB. went; occurredC. was going; occurredD. was going; had occurred答案BCAB
11、C二、Before/afterbefore引导时间状语从句时表示主句的动作发生在从句动作之前，常翻译为在“之前” “才”或“就”e.g. See me before you leave.e.g. Before they drive any of the buses, they will have to pass a special test.after引导时间状语从句时表示主句的动作发生在从句动作之后e.g. I saw them after I arrived.e.g. I found his pen after he has left.【巩固练习】He was told that it w
12、ould be at least three more mon thshe could recover andreturn to work.A. whe n B. before C. since D. thatIt was some timewe realized the truth.A. whenB. untilC. sinceD. before三、Till/until/not until1、肯定句：till和until这两个词作连词和介词时的意义和用法相同，一般可 以换用（放在句首时通常用until的形式，till在口语中更为常见）。主句的谓语 动词必须是持续性的，表示到为止” 直到才（开
13、始）”e.g. Walk till you come to a white house.e.g. We didn ' t discuss the problem until he came back.2、否定句：Notuntil,主句的谓语动词则为短暂性的，表示 直到 若主句谓语动词为延续性动词，根据上下文可表示“没有到”He didn ' t wait until/ till I returns他没有等到我回来。not until的三种用法：1) 用在句中的基本用法e.g. He did not appear un til the con cert en ded.2) 与th
14、at搭配的强调结构e.g. It was not un til the con cert en ded that he appeared.3) 用于句首的倒装结构主句倒装e.g. Not un til the con cert en ded did he appeared.【巩固练习】1) It is difficult for us to learn a less on in lifeweA. un til B. after C. since D. whe n2) A good storyteller must be able to hold his liste nersend of the
15、 story.A. whe n B. uni ess C. after D. un til3) I don ' t really work here; Iuntil the new secretary arrives.才”,ve actually hadcuriosityhe reA. just help out B. have just helped out C. am just help ing out D. will justhelp out四、 SinceSince引导的时间状语从句表示 自从以来”需注意以下两1） 引导时间状语从句时，一般指的是“从过去的某一时间点以来 ”的概
16、念，表 示动作从过去一直持续到现在。从句用一般过去时，主句用完成时。e.g. I have never seen him again since he left here.e.g. They have been friends ever since they were in school.2）若表示到过去某一时间前的情况，则主句用过去时，从句用过去完成时。通搭配为it was+时间段+since过去完成时或it is+时间段+sinee过去时e.g. It is two years since I became a postgraduate student.e.g. It was three
17、years since we had been there.3）延续性动词相反翻译，瞬间性动词正常翻译It is three years since I smoked a cigar我 不抽烟三年了。It is three years since I left there. 我离开那里已经三年了。【巩固练习】1）They friends since they met in Shanghai.A. have made B. have become C. have been D. have turned2) What was the party like? Wonderful. Its been
18、2 yearsI enjoyed myself so much.A. after B. beforeC. whenD. since五、“一 就 ” as soon as, immediately, directl y, in sta ntly, the mome nt, the minute, the instant, no sooner than , hardly/ scarcely when 和 once1）as soon as 表示对将来事情进行推测（用一般现在时表示将来） 对过去事情进行陈述，表示两个动作同时进行或一前一后2）no soonerthan和 hardlywhen因为没有表
19、达一种条件性，只能对过去事情进行陈述 时态方面：主句用过去完成时，从句用一般过去时倒装同时满足三点：否定词提前、主倒从不倒、部分倒装（be、助、情提到 主语之前）。I had hardly got home when it began to rain.Hardly had I got home when it began to rain.我一到家天就下起雨来。【课后练习】1. It was quietthose big trucks started coming through the town.A. before B. after C. until D. unless2. It seemed
20、 only secondsthe boy finished washing his face.A. when B. before C. after D. even if3. Hardly had he reached the school gatethe bell rang.A. while B. when C. as D. as soon as4. We were told that we should follow the main roadwe reached the central railway station.A. whenever B. until C. while D. whe
21、rever5.1 recognized youI saw you at the airport.A. the moment B. while C. after D. once6. He was about to go to bedthe doorbell rang.A. while B. as C. before D. when7. I listen to your advice, I get into trouble.A. Every time B. When C. While D. Until&John was watching TV, his wife was cooking.A
22、. As B. As soon as C. While D. Till9. The children ran away from the orchard（果园）they saw the guard.A. the moment B. after C. before D. as10. No sooner had I amved homeit began to ram.A. when B. while C. as D. than11. Several weeks had gone byI realized the painting was missing.A. as B. before C. sin
23、ce D. when12. Itlong before wethe result of the experiment.A. will not be; will know B. is; will know C. will not be know D. is; know13. -Whatwas the partyr like?-Wonderful. If s yearsI enjoyed myself so much.A. after B. before C. when D. since14. The new secretary is supposed to report to the manag
24、er as soon as she.A. will arrive B. amves C. is going to arrive D. is arriving15. got into the roomthe telephone rang.A. He hardly had; then B. Hardly had he; when C. He had not; then D. Not had he; when16. No sooner had he finished his talkhe was surrounded by the workers.A. as B. then C. than D. w
25、hen17. -Did you remember to give Mary the money you owed her?Yes, I gave it to herI saw her.A. while B. the moment C. suddenly D once1 & I thought her nice and honestI met her.A. first time B for the first time C. the first time D. by the first time19. He will have learned English for eight years by the time hefrom the university nextyear.A. will graduate B will have graduated C. graduates D. is to graduate20. The moment the 28th Olympic Gamesopen, the whole world cheered.A. declared B. have been declared C. have declared D. were declared答案；CBBBA DACAD BCDBB CBCCD