初中英语语法之状语从句运用与高频考点.docx

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1、初中英语语法之状语从句运用与高频考点时间状语从句：在一个句子中作时间状语的句子。时间状语的连接词：when(当时候) while(当时候) as(当时候) after(在以后) before(在以前) as soon as(一就) since(自从到现在) till /until(直到才) by the time(到为止)依旧是连接词后加陈述语序。举例：when当的时候(一般情况下主句是将来时的时候，从句要用一般现在时。)Mozart started writing music when he was four years old.原因状语从句：在一个句子中作原因语的句子。连接词：由连词bec

2、ause, since, as引导, 也可由for, now that 等词引导。举例：I didnt go to school yesterday because I was ill.条件状语从句连接词：if如果, unless (=if not) 除非。(让步)举例：If it doesnt rain tomorrow, we will go hiking. 目的、结果状语从句目的状语从句是指在一个句子中充当目的状语的句子。结果状语从句是指在一个句子中充当结果状语的句子目的状语从句连接词so that, sothat , in order that 引导。结果状语从句连接词 sothat,

3、 suchthat, so much/manythat引导。举例：sothat 如此以至于The scientists report was so instructive that we were all very excited.让步状语从句让步状语从句是指在句子中作让步的状语的句子连接词： though, although.，whetheror not举例：Although he is rich, yet he is not happy.高频考点一：考查时间状语从句例2 I believe you will have a wonderful time here _ you get to k

4、now everyone else.Athough Bas ifConce Dso that【答案】C【解析】考查语意逻辑关系。句意：_你认识了这里的其他所有人，我相信你会在这里玩得很愉快的。though意为“虽然”，引导让步状语从句；as if意为“好像，仿佛”，引导方式状语从句或表语从句； once“一旦”，引导时间状语从句；so that“以便；结果”，引导目的状语从句或结果状语从句。根据句中的关键信息you will have a wonderful time和you get to know everyone else可知应用once引导时间状语从句。【举一反三】We need to

5、get to the root of the problem _ we can solve it.Awhile BafterCbefore Das【答案】C【解析】考查语意逻辑关系。句意：我们需要在我们能解决它_找到问题的根源。 while表示“然而”时，连接并列句；表示“当的时候”时，引导时间状语从句。after在之后，引导时间状语从句； before 在之前，引导时间状语从句； as表示“当的时候”时，引导时间状语从句，表示“因为”时，引导原因状语从句，表示“正如”时，引导方式状语从句。由语境可知，我们在解决问题前需要找到其根源，因此用before引导时间状语从句。【变式探究】It was

6、 the middle of the night _ my father woke me up and told me to watch the football game.Athat BasCwhich Dwhen【答案】D【解析】考查状语从句引导词的选择。句意：当我父亲叫醒我，告诉我看足球比赛的时候是午夜。when在此引导时间状语从句。此题易误选A项，原因是把这个句子看成了强调句，如果在the middle of the night前加介词in，则此句为强调句，因此解此类题目时要注意分析句子成分。【变式探究】If you miss this chance，it may be years _

7、 you get another one.Aas BbeforeCsince Dafter【答案】B【解析】考查状语从句引导词的选择。句意：如果你错过了这次机会，可能需要很多年你才能再获得另一次。此题可将“itbe时间段before.”视为固定句式，“it will/may be时间段before.”意为“将/可能需要一段时间才/就”。“it was时间段before.”意为“过了多久就，过了多久才”。高频考点二 让步状语从句例3My grandfather still plays tennis now and then, _ hes in his nineties.Aas long as B

8、as ifCeven though Din case【答案】C【解析】考查状语从句。句意：我爷爷虽然已经90多岁了，但他有时还打网球。根据句意并分析句子成分可知，本空需要从属连词引导让步状语从句。even though表示“尽管，虽然”，符合句意。as long as“只要”；as if“仿佛，好像”；in case“以防万一”。【举一反三】_ the students came from different countries，they got along quite well in the summer camp.AWhile BUnlessCSince DUntil【答案】A【解析】考查

9、状语从句引导词的选择。句意：_学生们来自不同的国家，他们在夏令营相处得非常好。根据句意可知，本题前后为转折关系，所以应用while“尽管”来引导状语从句，表转折。故答案为A项。【变式探究】_ the forest park is far away，a lot of tourists visit it every year.AAs BWhenCEven though DIn case【答案】C【解析】考查状语从句引导词的选择。句意：_森林公园离得很远，每年有很多游客会去游览。as可以引导原因状语从句，可以引导时间状语从句表示两个动作同时发生，也可以引导让步状语从句(但从句需要用倒装结构)；whe

10、n引导时间状语从句；even though相当于even if，意为“尽管，虽然”，引导让步状语从句；in case意为“以防，万一”，引导条件状语从句。根据the forest park is far away是正常语序，并未用倒装结构及句意可知，C项符合句意和语法结构。【举一反三】_difficulties you are experiencing right now，I can help you to develop a positive mind and take steps to improve your life.AWherever BWhateverCHowever DWhene

11、ver【答案】B【解析】whatever引导让步状语从句，修饰名词，相当于 no matter what意为“无论什么”，其他几个连词都不能修饰名词。【举一反三】We students should hold such an attitude：_ we achieve great success in our study，we should not be proud.Aonly if Bin caseCnow that Deven though【答案】D【解析】考查状语从句。句意：我们学生应该持有这样一种态度：即使我们在学习中取得了巨大成功，也不应该骄傲。Even though“即使，尽管”引

12、导让步状语从句。高频考点四 条件状语从句例4(2019江苏卷)The doctor shares his phone number with the patients _ they need medical assistance.Aif only Bas ifCeven though Din case【答案】D【解析】考查状语从句。句意：医生把他的电话号码分享给病人，以防他们需要医疗援助。if only“要是多好”；as if“似乎，好像”；even though“尽管”；in case“以防”。【举一反三】(2019天津卷)Tom is so independent that he neve

13、r asks his parents opinion _ he wants their support.Asince BonceCunless Dafter【答案】C【解析】考查连词辨析。句意：汤姆如此独立以至于他从来都不问父母的意见，除非他想得到他们的支持。A项意为“自从，既然”；B项意为“一旦”；C项意为“除非”；D项意为“在之后”。故选C。【变式探究】(2018江苏卷)_ you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two nights.AOnce

14、 BUnlessCIf DWhen【答案】B【解析】考查条件状语从句。句意：除非你睡眠好，否则你一两个夜晚后就不能集中注意力，不能计划，也不能保持积极性。unless“除非”符合句意。【变式探究】_we dont stop climate change, many animals and plants in the world will be gone.AAlthough BWhileCIf DUntil【答案】C【解析】考查条件状语从句。句意：如果我们不阻止气候变化，世界上许多动植物将不复存在。根据句意可知，此处用If引导条件状语从句。高频考点五 其他状语从句例5Lets not pick

15、these peaches until this weekend _ they get sweet enough to be eaten.Aever since Bas ifCeven though Dso that【答案】D【解析】考查状语从句。从句意的连贯看，空前说“等到周末再摘这些桃子”，空后说“它们就变得够甜了，可以吃了”，这里应该用so that“以便”引导目的状语从句。【举一反三】Located_the Belt meets the Road, Jiangsu will contribute more to the Belt and Road construction.Awhy B

16、whenCwhich Dwhere【答案】D【解析】考查状语从句。句意：江苏位于“一带”和“一路”的交汇处，将对“一带一路”的建设作出更多的贡献。where在此引导地点状语从句。【变式探究】Most successful people think about things in new and different ways: they see an open window _ others see a closed door.Awhere BifConce Dunless【答案】A【解析】考查状语从句。句意：大多数成功人士以新的和不同的方式思考事物：他们在别人看到一扇关闭的门的地方看到的是一扇

17、敞开的窗户。分析句子结构可知，空处在此引导状语从句，且在从句中作地点状语，应用where。故选A。【变式探究】The book will tell young Chinese that they should face the challenges，_“tears and running away” doesnt solve problems.Aas BthoughCin case Dso that【答案】A【解析】考查状语从句。句意：这本书将告诉中国的年轻人，他们应该直面挑战，因为“眼泪和逃避”并不能解决问题。as“因为”引导原因状语从句，符合语境。1(2019江苏卷)The doctor

18、shares his phone number with the patients _ they need medical assistance.Aif only Bas ifCeven though Din case【答案】D【解析】考查状语从句。句意：医生把他的电话号码分享给病人，以防他们需要医疗援助。if only“要是多好”；as if“似乎，好像”；even though“尽管”；in case“以防”。【举一反三】(2019天津卷)Tom is so independent that he never asks his parents opinion _ he wants thei

19、r support.Asince BonceCunless Dafter【答案】C【解析】考查连词辨析。句意：汤姆如此独立以至于他从来都不问父母的意见，除非他想得到他们的支持。A项意为“自从，既然”；B项意为“一旦”；C项意为“除非”；D项意为“在之后”。故选C。1.Lets not pick these peaches until this weekend _they get sweet enough to be eaten.A. ever since B. as ifC. even though D. so that【答案】D【解析】考查连词短语词义辨析及语境理解。句意：让我们这个周末再摘

20、这些桃子，这样的话，它们吃起来就变得足够的甜。A. ever since自那时起；B. as if好像；C. even though尽管；D. so that以便。从句为目的状语从句，故用so that引导。故选D。1Peter, please send us postcards _ well know where you have visited.No problem.A. but B. or C. for D. so【答案】D【解析】A. but 但是 B. or 或者 C. for 因为 D. so因此 句意： Peter，请给我们寄明信片，因此我们就会知道你们去哪游览过，根据语境可知前

21、后句之间是因果关系，故用so，选D。2Jane moved aimlessly down the tree-lined street, not knowing _she was heading.A. why B. where C. how D. when【答案】B【解析】A. why 为什么 B. where 在哪 C. how 如何 D. when什么时候。句意：Jane漫无目的地走在两旁栽树的街道上，不知道她将去往何方，根据语境可知此处是表地点的，很容易就可选出答案B。3Do you have Bettys phone number?Yes. Otherwise, I _able to r

22、each her yesterday.A. hadnt been B. wouldnt have been C. werent D. wouldnt be【答案】B【解析】句意：-你有贝蒂的电话号码吗？-有。否则我昨天就联系不到她了。根据标志词otherwise，否则相当于一个条件状语从句：If I hadnt have her phone number，即对过去的虚拟的条件状语从句，可以判断出主句用wouldnt have done表示对过去情况的虚拟，故选B。1.7. _ the average age of the population increases, there are more

23、 and more old people to care for.A. Unless B. Until C. As D. While【答案】C【解析】句意：随着人口平均年龄的增长，越来越多的老人要照顾。unless除非；until直到；as因为，正如，随着；while虽然，然而，当时候。根据语境，故选C。2.【2016浙江】5._online shopping has changed our life , not all of its effects have been positive.A. Since B. After C. While D. Unless【答案】C【解析】句意：尽管网上购物已经改变了我们的生活，但是不是其所有的影响都是积极的。while引导让步状语从句，意为“尽管，虽然”；since既然，自从；after在之后；unless除非。故选C。学科网（北京）股份有限公司