9A unit1 grammar 语法.ppt

连 词 (Conjunction);连 词 (Conjunction);二、连词分类： 并列连词 从属连词——;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, both…and, not only…but also, neither…nor，as well as（也，和）等。 (2)表选择关系的or, either…or等。 (3)表转折关系的but, however等。 (4)表因果关系的for, so等。 ;;（1）肯定句中用“and” 表“和”； （2）否定句中用“or”表“和” 。;= Study hard, _____ your math will be worse.; 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。;观察句子 ： （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.” ;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”;2. 从属连词---用来引导从句。常见的从属连词有： (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, so…that, such…that等。 (7)引导比较状语从句的than, as…as等。 (8)引导宾语从句的that, if , whether等。; Mr. White was taking a shower _____ the UFO landed on the street. A. where B. while C. when D. whether;;He took the MP3 player with him _____ he could enjoy music during the trip. A. because B. so that C. when;Funny Husband (H) Wife (W) about Shopping;H：“What are we going to do, my dear？” W: “Go shopping.” H：“We can do nothing ___________shopping.” W：“In fact, _______ you _____ I like shopping.” H: “Why must you do the things _____ you don’t like?” W: “___ my skirts are out of style, ___ I want to buy a new one.” W:（In the clothing shop.）…I don’t know___ they fit(适合) me. ” H: “I don’t know ____________ you really like. Just go inside and try them on.” H：（对seller笑