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1、名校版英语经典句型考点解析since句型经典句型解析since句型精讲连词since引导状语从句用法解析用法1 : since引导的时间状语从句中用短暂性(终止性)动词的一般 过去式，主句用现在完成时或现在完成进行时。此种用法最为常见。此 时，整个句子可以直接按照字面意思翻译。即从句所表示的时间是从从 句谓语动作发生的时间算起直到现在。1 ) Since he changed jobs hes looked like a new man.他跳槽之后像换了一个人似的。2 ) Shes a changed woman since she got that job.她自从得到了那份工作，变得判假设两
2、人。牛津高阶英汉双解词典) he has dealt with five guys since she divorced Tom.她和汤姆离婚后和五个男人交往过。3 ) I have been missing her since she left.自从她离开我就一直很想念她。我们上次分手以来已有两年了。It was two years since we had last parted.那时我们已经分手两年了。It had been （或 was） fifteen years since she had left.自从她离开已经15年了。从时态角度看：It is +一段时间+since从句（一般
3、过去时）It was +一段时间+since从句（过去完成时）It has been +一段时间+since从句（现在完成时或一般过去时）It had been +一段时间+since从句（过去完成时或一般过去时）have a great influence （impact） on 句型have/exert a strong influence on sb对某人产生强大的影响great 可以换为:very good、far greater, strong. majox large等高级词汇下面还是通过词典例句和考试真题来学习，融会贯通:And it will in turn have a gr
4、eat influence on your action.它反过来会对你的行为产生很大的影响。中考真题-2019山西The media has a powerful influence on public opinion.传媒对于舆论有很大的影响。Those friends are a bad influence on her.那些朋友对她有负面的影响。Shes not a very good influence on the youth of this country.她对这个国家的青年T弋没什么好影响。TV is a bad influence on people.电视会对人们产生不良影响
5、。It had a bad influence on schools and the society.它对学校和社会产生了不良影响。中考真题-2016山西Several teachers at school in Liverpool had a special influence on me.利物浦的几位学校老师对我有特殊的影响。中考真题-2015包头Do you believe that we can have an important influence on anyone we meet?你相信我们能对我们遇到的任何人产生重要影响吗？中考真题-2016长沙His family have
6、been a very positive influence on him.他的家庭对他有十分良好的影响。His paintings had a strong influence on me as a student.我当学生时，他的画对我产生过强烈的影响。Teenage idols have a strong influence on our children青少年偶像对孩布门的影响非常深。She had a disruptive influence on the rest of the class.她搅扰了班上其他的学生。The girls in a class tend to have
7、a civilizing influence on the boys.班上的女生往往能让男生文雅起来。Van Gogh had a major influence on the development of modern painting凡高对现代绘画的开展有着重大影响。Many other medications have an influence on cholesterol levels.许多其他的药物治疗对胆固醇水平都有一定的影响。My mother, whose guiding principle in life was doing right, had a far greater
8、influence on me.我母亲的生活原那么是做事堂堂正正,她对我有着更为深刻的影响。They have had a growing influence on the district.他们在这个学区的影响力越来越大。四级真题-2018年This financial crisis had a much greater impact on Main Street.这次金融危机对老百姓的影响更为深远。Society begins to have an impact on the developing child.社会开始对成长中的孩子产生影响。The presence or absence
9、of clouds can have an important impact on heat transfer有无云层对热量的传递会产生重要的影响。They say they expect the meeting to have a marked impact on the future of the country他们称他们预期会议对国家的未来会产生显著影响。The collapse of the Iron Curtain had immediate impact on the lives of everyone in Germany.铁幕的崩溃对每个德国人的生产生了直接的影响。The di
10、rectors childhood experience has a profound impact on his film.这位导演的童年经历深深地影响了他的电影。Her speech made a profound impact on everyone.她的讲话对每个人都有深远的影响。Such different outlooks had a dramatic impact on performance.这样两种不同的看法对学习表现有着令人吃惊的影响。四级真题-2016年12月The stories of his unconventional ideas and the exception
11、al patients he wrote about were so amazing to me and had such a big impact on how I saw life from then on.他故事里那些不合常理的思想和笔下那些特殊的病人对我来说无比惊 奇，那深深地影响了我，让我从此对生命有了不同的看法。高考真题- 2015江苏Washing your hands with soap can have a huge impact on reducing the spread of diseases.用月巴皂洗手能有效减少疾病的传播。中考真题- 2018江西Gordon sa
12、ys the HUNCH program has an impact on college admissions and practical life skills .戈登说，HUNCH工程对申请大学和锻炼生活技能都有影响。高考真题-2019额外呈现一个经典句子：She was charged with driving under the influence.她被控酒后驾驶。4 ) We have been missing her since she left here.自从她离开这里我们就一直很想念她。5 ) Shes been working there since the beginni
13、ng of last summer.她自从去年夏初起就一直在那里工作。牛津高阶英汉双解词典) She had been worrying ever since the letter arrived.自从接到那封信后她就一直焦虑不安。牛津高阶英汉双解词典例7说明：主句也是可以用过去完成态,只是考试中还比拟少见。用法2 : since引导的时间状语从句中用延续性动词或者是表示状态的 静态动词的一般过去式，主句用现在完成时或者现在完成进行时。此时, 时间状语从句所表示的时间是从从句中这个延续性动作或表示状态的 静态动词动作结束直到现在这个时间段，翻译时不能按照字面翻译。1 ) I haven1 t
14、heard any noise since I slept.我醒后未听到彳到可声音。2 ) F ve written her 30 letters since I was here.自从我离开这，我已经给她写了 30封信。3 ) It has been almost five years since I taught high school students.我不教高中已经大概有五年了。4 ) Its been an age since weve seen them.我们有很长一段时间没有见到他们了。5 ) What was the party like?Wonderful.lt s year
15、s since I enjoyed myself so much .晚会怎么样？非常精彩。我已经很多年没有玩得那么最痛快了。93高 考试题) Its been years since I enjoyed myself so much as last night.我已经很多年没有像昨晚那么痛快了。6 ) I have changed my job five times since I was in Shanghai.我离开上海后换了五次工作。请比拟:He has written to me frequently since I was ill.自从我病愈以来，他 屡次给我写信。He has wr
16、itten to me frequently since I fell ill.自从我生病以来，他 就屡次给我写信。用法3 : since引导的时间状语从句中的动词完成时，主句的动词用现 在完成时或者现在完成进行时。此时翻译时可以直接按照字面意思理解。1 ) It has been almost five years since I have taught senior three students.我从教高三开始到现在已经五年了。2 ) I have never heard from her since she has worked there.自从她去那工作到现在为止，我没有收到过她的来信
17、。3 ) Since we have owned a car,we have gone camping every year.自从我们有了汽车,我们每年都去野营。4 ) We think highly of your up-grading spirit since you have been trying to change yourself.从你一直努力改变自己以来，我们都高度赞赏你的上进精神。5 ） We all admire you since you have been doing everything to help the poor.自从你一直做任可事情帮助穷人以来，我们都很钦佩你
18、。请比拟：Since F ve been at this school zwe have had three headmasters.自从我到这所学校以来，我们已经换了 3个校长了。Since I was at this school,they have had three headmasters.自从我离开这所学校以来，他们已经换了三个校长了。用法4.特殊情况用法，从句所表达的时间为since I was a child;since we were you ng,等等延续性动词或表状态的静态动词的一般过去时也 可以表示动作或状态持续到现在，（常常ever since连用）：She had b
19、een worrying ever since the letter arrived.自从接到那封信后她就一直焦虑不安。牛津高阶英汉双解词典Hes been in the doldrums ever since she left him.自从她离开他以来，他一直很消沉。Hes been there ever since you left!自从你离开后他就一直在那里！Ever since we moved last year, I worry a lot about whether I can handle this new job自从去年我们搬家，我就一直非常担忧能否做好这份新工作。Ive h
20、ad the hots for him ever since he came to college.自从他来上大学后，我就对他春心萌动。Ever since I saw the diary excerpts Ive been cast down.自从看到日记摘录，我就一直非常沮丧。Its been niggling at my mind ever since I met Neville in Nice自从在尼斯见到内维此后，我一直忐忑不安。以上6例摘自柯林斯高 阶英汉双解学习词典The two of them have been close friends ever since they kn
21、ew.他们俩认识后一直很要好。He has loved labour ever since he was a child.他从小热爰劳动。The girl has grown prettier than ever since I saw her a year ago.一年不见，小姑娘出落得更漂亮了。以上3例摘自汉英大词典He has loved reading ever since he was a child.他从小儿爱读书。She has given a lot of help ever since she worked in our factory.自从她来我们工厂后，给了我不小的帮助。
22、说明,ever since连用时是可以直接翻译的,没有动词延续性等规那么限 制。再看经典例句：So much has changed in the sport since I was a teenager.自打我十几岁以来，这项运动已经有了很大改变。I had been out since I was 17.我从17岁起就公开我是同性恋。Theyve been best friends since they were children.他们从孩提时起就是最要好的朋友。Ive earned my own living since I was seven, doing all kinds of j
23、obs.从7岁起我就自己养活自己，做过各种工作。Shes been using since she was 13.她从13岁起就吸毒。以上5例摘自牛津高阶英汉双解词典用法5 :主句是it作主语后接一段时间+since从句用法另外:A ）、It is +-一段时间+ since +持续性谓语动词一般过去时（表 否认）It is three years since she lived here,她已三年不住这儿了。Its only a year since I last saw the child and hes grown so tall.这孩子一年不见，长这么高了。Its twenty yea
24、rs since Ive seen her.我已经二十年没见她了。How long is it since we last went to the theatre?我们多久没去看戏了 ？Its been two weeks now since she called.她到现在已经有两个星期没来 了。B ）、It is + -一段时间- + since S +瞬间谓语动词一般过去时（表肯 定）例：It is years since I stopped smoking）.我戒烟已经数年了。It is nearly two years since I came here.我来这儿快两年了。Its a long time since they left.他们已经离开很久了。牛津高阶英汉双解词典It is two years since we last parted.