1、考点三状语从句一、时间状语从句连词基本意义注意when， while， as当时as可译为在的时候，一边一边，随着，正当；while多用于持续性的动作或状态；when后接短暂性或持续性动词均可。as soon as， the moment， the instant， the minute， the second， immediately， directly，hardly/scarcely.when.， no sooner.than.一就hardly/scarcely.when.， no sooner.than. 结构中，when/than前的主句通常用过去完成时，when/than引导的从句通
2、常用一般过去时；hardly/scarcely和no sooner提至句首时，它们所在的主句要部分倒装。before；after在之前；在之后It was时间段before. 过了才It was not long before. 不久就It wont be long before. 不久就会It will be时间段before. 要过才until/till直到强调句型It is not until.that.。since；by the time自从；到时since引导时间状语从句时，主句通常用现在完成时或现在完成进行时；by the time引导从句时，主句通常用过去完成时或将来完成时。ea
3、ch/every time， the next time， the last time， the first time， any time， whenever每次；下次；上次/最后一次；第一次；任何时候；无论何时从句通常用一般现在时。 As the average age of the population increases， there are more and more old people to care for.Starting in the Yuan Dynasty， work on the Longji Rice Terraces was not completed until
4、the early Qing Dynasty. Immediately（immediate） they appeared， they were greeted with a burst of applause.No sooner had Huaweis new phone been launched than it sold out and received popularity.It could easily be another year before the economy starts to show some improvement.It has been more than fif
5、ty years since China got its seat back in the United Nations. When I saw the tragic scenes on the news， I felt it was my duty as a doctor to go there and offer my help.By the time the rescue team arrived， the violent rainstorm had swept（sweep） the whole town， causing great economic loss and many bro
6、ken families.二、地点状语从句1.连词：where（哪里），wherever（无论在哪里）We got lost in the forest and decided to remain where we were and waited for rescue.China owns one of the worlds oldest civilizations. Wherever you go， you can easily recognize many amazing historical and cultural landmarks.2.区分where引导的状语从句与定语从句wher
7、e引导状语从句时，其前没有先行词，从句用来说明主句谓语动作发生的地点；where引导定语从句时，其前有表示地点的名词作先行词，从句修饰先行词。Youdbettermakemarks whereyouhavequestions. (状语从句）Youdbettermakemarksat theplacewhereyouhavequestions. (定语从句）三、目的状语从句连词：so that， in order that 为了，以便常与情态动词can， could， may， might等连用；so that引导的从句通常置于主句之后。I am studying hard so that/in
8、 order that I can go to a famous university.四、结果状语从句1.so.that.结构：so形容词/副词形容词a/an可数名词单数many/few可数名词复数much/little（少）不可数名词that从句2.such.that.结构：such（形容词）不可数名词（形容词）可数名词复数a/an（形容词）可数名词单数that从句He was so clever a student that he was able to work out all the difficult problems.He made such rapid progress tha
9、t he was praised by his teacher.3.so that也可以引导结果状语从句，从句中往往没有情态动词，而且主从句之间常用逗号隔开。The bus broke down， so that we had to walk home. 公交车坏了，结果我们不得不走路回家了。五、原因状语从句连词内涵语气能否回答why能否被强调because（因为）直接因果关系强能能as（由于）较明显的原因稍弱不能不能since/now that（既然）We need to pull off the highway and find a station because the petrol i
10、s running out.We thought that as/since we were in the area， wed stop by and visit it.六、让步状语从句连词用法although/though从句不能与but连用，但可与yet/still连用。as/thoughas引导的从句必须倒装；though引导的从句可倒装也可不倒装。while意为虽然，尽管，从句一般放在主句前，用逗号隔开。even though/even if意为即使，尽管。whether.or.意为不管还是。疑问词-ever表示无论，不管，相当于no matter相应的疑问词。 Although/Th
11、ough/While we have learned a lot about the universe， there is much we still dont know.He keeps taking exercise however cold it is in winter.Young as/though he is， he can read and write in several foreign languages. Whether she comes here or we go there， the topic of the discussion will remain unchan
12、ged.七、条件状语从句连词含义例句if如果They agreed to lend us the car if we promised to return it before the weekend. 如果我们答应在周末前归还，他们就同意把车借给我们。As long as we dont lose heart， we will succeed.我们只要不灰心就会成功。unless除非，如果不（if.not）as/so long as只要in case以防万一江苏高考，29 Unless you can sleep well， you will lose the ability to focus
13、， plan and stay motivated after one or two nights. If we make good use of public transport， the environment will be better.八、其他状语从句方式状语从句as（照方式）；as if/as though （好像，似乎）比较状语从句as.as.， not so.as.，thanThe house has been greatly damaged by the truck and wed better leave it as it is until the police arriv
14、e.九、状语从句的省略1.从句和主句的主语一致，且从句中含有be动词时，从句的主语和be动词可省略。2023北京，14When seen（see） from afar， the mangrove forests appear more splendid.全国， 70Chinas approach to protecting its environment while feeding（feed） its citizens offers useful lessons for agriculture and food policymakers worldwide， says the banks Ju
15、ergen Voegele.He wont go there with us unless invited（invite）.He is running here and there as if looking（look） for something lost.No matter how frequently displayed（display） in the Louvre in Paris， the masterpieces of Pablo Picasso always attract a large number of audience.Every evening after dinner
16、， if not absorbed（absorb） in reading books， she can be found sitting on the sofa watching TV.2.在if it is possible， when it is necessary等类似结构中，it is常可省略。常见的if型的省略结构有：if so如果这样的话if not不然的话if possible如果可能的话if any如果有的话if necessary如果有必要的话1.I had hardly sat down on the train and opened a bar of chocolate
17、when an old man with a huge bag sat down across from me.2.Convenient as/though computers are， handwriting still plays an important role in the modern world.3.If you are traveling where the customs are really foreign to your own， please do as the Romans do.4. However fierce the competition is， there
18、is a good chance that our team will win as long as we have made full preparations.5.We were in such an anxious rush that when we left we forgot to take the airline tickets.6.Some women may experience a time of sadness even for months after they give birth to a baby.7.The man asked Lucy to move to an
19、other chair because he wanted to sit next to his wife.8. Wherever youre from， you can come to dance， dine， and take part in outdoor and indoor concerts.9.This project requires close teamwork. Nothing will be achieved unless we work well together.10.Im always attentive in class and think actively in
20、order that I can have more free time to do other things that Im interested in after school.11. If you expect your child to be able to accomplish something， you must first of all develop his ability to adapt to new surroundings.12. Although/Though/While the patterns and colors may be different， paper
21、-cuts share the same function of maintaining emotional ties among people13.The accident serves as a warning that people should be aware of their surroundings， especially when crossing roads.14.It was quite a while before she realized that she was looking at her moms old wedding photos.15. Whether or not your work is chosen， we will send you a gift for your participation.
