1、连词,什么是连词? 用于连接单词，短语或句子的词语,连词,并列连词 从属连词,一、表并列关系的连词： 1. and 和，而且 2. both and 既也, 两者都 3. neither nor 既不也不, 两者都不 4Not only but also不但而且(就近原则) 5. as well as 与一样，也，和（舍近求远原则）,并列连词,二 表示选择关系的连词 1. eitheror 要么要么 不是就是 (就近原则) 2. or 还是，或者，否则 3. otherwise 否则 （可与or 互换）,三表示转折关系的连词 but 但是 however 然而，但是。 可放在句首句中或句末，
2、通常用逗号隔开，作插入语 while 然而，而 yet, 然而，可是,四表示因果关系的连词 so 因此，所以 （不能与because连用） therefore 因此，所以(比so正式，常与and连用) For/because 因为,用以引导名词性(主语、宾语、表语和同位语从句)从句和状语从句(原因、地点、时间、让步等)的连词，由从属连词所导的句子叫从句。 引导时间状语从句：when, while, as, before, after, until, till等 when用引导时间状语从句时， 从句中可使用延续性和非延续性动词。 当从句的主语与主句的主语相同时，主语和be动词可省略,从属连词,W
3、hile引导的时间状语从句中，谓语动词用延续性动词，强调主从句的动作同时发生或持续。While 还可作并列连词，表转折。“然而”as as 引导时间状语从句时，as和when两者经常可以通用。 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表示“随着 ”,before & after 在之前或在之后， as soon as, once 一就since &until 自从，直到 Until和till两者区别： 1. till不能用于句首 2. 用在否定句中，表示“直到才”， 这个动作直到until所表示的时候才发生。,引导条件状语从句的连词: if, unless, a
4、s long as if 如果，表示在某种条件下某事会发生，也可以表虚拟或假设 Unless 除非，如果不 as long as 只要,引导目的状语从句的：in order that, so that 1. in order that 为了，以便 (可置于句首、句中、句末) 2. so that 为了，以便 (可置于句中、句末),六，引导让步状语从句的：although, though, even though, even if although, though 虽然，纵然， 不能与but 连用， although 较正式 though 较口语，可作副词，且放在句首，句末，意主为“不过，可是”
5、 It is hard work, I enjoy it, though.,even though, even if即使，纵然，尽管，就算even though 尽管，即使， even if 即使，纵然,Practice,Translate the sentences,1.我喜欢苹果和橘子。 I like apples and oranges. 2.Jack和他的妈妈打算下周去度假。 Jack and his mother are going to go on vacation next week. 3.你和Jim都是来自中国。 Both you and Jim are from Chines
6、e.,4.我和他都不喜欢这首歌 Neither I nor he likes this song. 5.我的朋友们和我都不是老师 Neither my friends nor I am not teacher. 6.不仅妈妈而且孩子们都生病了。 Not only the mother but also the children are ill. 7.他不仅洗了衣服而且还打扫了房间He not only washed the clothes but also cleaned the room,8.不是你就是我明天去买点食物 Either you or I am going to buy some
7、 food tomorrow. 9.要么是你要么是她去参加那个会议。 Either you or she attends the meeting.10.她是一位老师还是学生呢？ Is she a teacher or a student? 11.快点，否则我们将会错过班车了。 Hurry up, or we will miss the bus.,12.快点起床，否则你就要迟到了。 Get up quickly, otherwise you will be late for school. 13.我的房间很小，但是它却很舒适。 My room is small, however, its ver
8、y comfortable 14.我擅长于游泳，而他擅长于跑步 I am good at swimming while he is good at running.,15.我昨晚熬夜，所以今天早上我迟到了 I stayed up last night , so I was late for class this morning 16.在工作期间他太懒了，所以被他的老板开除了 He was too lazy during the work ,therefore he was fired by his boss 17.我爱你，因为你是富二代 I love you because you are t
9、he second-generation rich.,18.当他们在说笑的时候，老师进来了 When they were talking and laughing, the teacher came in. 19.当你遇到麻烦的时候，你可以找他帮忙 When ( you are) in trouble, you can ask him for help. 20.他们一边走路一边讲话 They talked as they walked.,21.在你离开之前把灯关了 Turn off the light before you leave. 22.我经常在做完作业之后玩电脑I often play
10、 computer after finishing my homework. 23.我一看到她就告诉你 I will tell you as soon as I see her. 24. 一旦你开始了，就必须要坚持下去 Once you begin you must persist.,25.直到他妈妈回来，Jim才上床睡觉 Jim doesnt go to bed until/till his mother comes back. 26.如果你问他，他就会告诉你的。 If you ask him, he will tell you 27.只要我们尽力，没有什么是不可能的Nothing is i
11、mpossible as long as we try our best. 28.只要我努力些，我就可以通过考试了。I can pass the exam as long as I work harder.,29.为了节约时间，他们乘坐了一辆出租车 They took a taxi in order that they could save time. 30.我起的很早以便能赶上第一班车。I got up early so that I could catch the first bus. 31.虽然我很丑，可是我很温柔 Though I am ugly , I am gentle. 32.即
12、使他很穷，但是她依然爱着她 Even if he is poor, she loves him.,I do every single bit of housework _ my husband Bob just does the dished now and then.A. since B. whileC. when D. as Mr. Hall understands that _ maths has always been easy for him, it is not easy for the students. A. unless B. sinceC. although D. when
13、,B,c,He is very young, _ he knows a lot about computer.A. and B. however C. but D. whileExcuse me for breaking in, _ I have some newsfor you.A. so B. and C. but D. yet,C,C,3. Some people waste a lot of food _ others haventenough to eat.A. however B. when C. as D. while4. _ he had to write a history
14、paper._ he couldnt find time to do it.A. Although; but B. Although; /C. Even; / D. if; /,D,B,Rod is determined to get a seat for the concert _ it will cost too much money. Aso that Bhowever Ceven though Das if 【解析】 even though在句中引导让步状语从句，意为“即使，尽管”，句意为：罗德决定要去买音乐会的票，即使这张票会花费很多的钱。 【答案】 C,_ the Internet
15、 is of great help，I dont think its a good idea to spend too much time on it. AIf BWhile CBecause DAs 【解析】 考查状语从句的从属连词。句意为：尽管因特网用途巨大，但我认为在网上花费太多的时间并不好。while引导让步状语从句相当于although，故选B。 【答案】 B,We had to wait half an hour _ we had already booked a table. Asince Balthough Cuntil Dbefore 【解析】 考查连词辨析。做该类型的题目关
16、键是看两个分句间的关系。“我们等了半个小时”和“我们早已预定了餐桌”之间是转折关系，故选 although。although引导让步状语从句，意为“虽然，尽管”。干扰项 since 有“既然”之意，表示因果关系，故应排除；until意为“直到”；before意为“在之前”，均与题意不符。 【答案】 B,Faced with the exams，we should work as hard as we can._，we shouldnt do it at the cost of our health. ATherefore BHowever CMoreover DFurthermore 【解析】 句意为：面临着考试，我们应当努力学习。尽管如此，我们不能以牺牲我们的健康为代价。however“尽管如此”，符合题意。therefore“因此，所以”；moreover“此外；而且”；furthermore“进一步说”。 【答案】 B,Thank you !,
