1、连 词 (Conjunction),连 词 (Conjunction),一、连词定义: 用来连接词、短语或句子的词。e.g. I study English and Chinese.Does he work at school or in the hospital?I get up early, but my brother gets up late.,二、连词分类：并列连词从属连词,连词：and, but, or, so, (for),连词词组: eitheror, neithernor, not onlybut also, bothand, (as well as),that，whethe
2、r, if, unless, while / when, until, because, so that, sothat, though/ although, even if, asas 等,三、用法1.并列连词 - 连接具有并列关系的词，短语或句子。 常见的有： (1)表并列关系的and, bothand, not onlybut also, neithernor，as well as（也，和）等。 (2)表选择关系的or, eitheror等。 (3)表转折关系的but, however等。 (4)表因果关系的for, so等。,考点一：1）判断改错：They sat down and t
3、alk about something. They started to dance and sang. I saw two men sitting behind and ate there.,F,F,F,eating,sing,talked,and (“和，并且”) 与 or (“否则”),“and” 连接平行结构。,（1）肯定句中用“and” 表“和”； （2）否定句中用“or”表“和” 。,2）翻译： 我喜欢英语和数学。 我不喜欢英语和数学。,I like English _ math.,I dont like English _ math.,and,or,= Study hard, _
4、 your math will be worse.,3）用 “and” 或“or” 填空：Study hard, _ your math will be better.,and,or,“and”意为“这样，那么”；“or” 意为 “否则” 。,表转折的连词but 和however：e.g. (他努力工作，但以失败告终。)He worked hard, _ he failed at last.He worked hard. _, he failed at last.区别: but 后没有逗号，直接连接分句； however 后有逗号相隔，可放句末。,but,However,考点二 ：,观察句子
5、： （1）Although he is over sixty, but he works as hard as others. 改为：Although he is over sixty, he works as hard as others. 或 He is over sixty, but he works as hard as others. （2）“Because John was ill, so I took him to the doctor.”,*although/ though 和but这两个关联词不能同时用。,?,同样，此句错误， because 和 so 等关联词都不能同时使用
6、。,考点三 ：,either A or B “或者A或者B” neither A nor B “既不A也不B” not only A but also B “不仅A而且B”,- 连词词组 ：,Either you or I _ going to the party. (或者你或者我将去晚会。) Neither I nor he _ seen the movie. （我和他都没有看过这部电影。） Not only you but also he _ French. （不但你而且他也讲法语。）,【连接主语 时，谓语“就近原则”】,am,has,speaks,考点四,2. 从属连词-用来引导从句。常
7、见的从属连词有： (1)引导时间状语从句的after, before, when, while, as, until, till, since, as soon as等。 (2)引导条件状语从句的if, unless等。 (3)引导原因状语从句的because, as, since等。 (4)引导目的状语从句的so that, in order that等。 (5)引导让步状语从句的though, although, even if等。 (6)引导结果状语从句的so that, sothat, suchthat等。 (7)引导比较状语从句的than, asas等。 (8)引导宾语从句的that
8、, if , whether等。,Mr. White was taking a shower _ the UFO landed on the street.A. where B. while C. when D. whether,C,While Mr. White was taking a shower，the UFO landed on the street.,考点一,“when” 和 “while”,when引导的状语从句的动作多为终止性动词，也为可持续动词；但while只能是可持续动词。,考点二,我会一直工作到你回来。,I will work till you come back.,no
9、tuntil/ till 直到才 till 直到为止,翻译：我会到你回来时才睡觉。,I wont go to bed until/ till you come back.,考点二,我父亲直到我们吃完饭时才回来。,My father _ come back until we had supper.,notuntil/ till 直到才 till 直到为止,翻译：他直到3岁才会讲话。,He _get up until his mother wakes him up.,didnt,他经常等到妈妈叫他才起床。,He _ speak until he was 3.,couldnt,doesnt,He t
10、ook the MP3 player with him _ he could enjoy music during the trip. A. because B. so that C. when,B,考点三,他起早是为了赶上早班车。(表目的),He got up early so that he could catch the early bus.,He got up early so that he caught the early bus.,他起早，结果赶上了早班车。（表结果）,He got up so early that he caught the early bus.,sothat,so that：为了； 所以，结果,如此以致,
