Grammar 连词关（Conjunction） 知识大纲 1. 表并列关系：and,not only. . .but also. . . ,as well as 2. 表转折关系：but,yet,however,though/although 3. 表选择关系：either. . .or. . . ,neither. . .nor. . . 4. 表因果关系：for,so 5. 引导时间状语从句：when,while,before,after,as soon as, (not)...until... 6. 引导原因状语从句：because,since,for,as 7. 引导条件状语从句：if,unless 8. 引导让步状语从句：though,although 9. 引导比较状语从句：as...as... 10. 引导结果状语从句：so,so that,so/such. . .that. . . 衔接阶段难点 1. 区分： both. . .and. . . 两者都······; neither. . .nor. . . 两者都不.... either. . .or. . . 不是······就是····“； 谓语动词用复数 谓语动词根据“就近原则”， 即随 or/nor/but also 后面的主语而定单复数 not only. . .but also. . . 不仅······而且. . . . as well as 和······一样 谓语动词随 as well as 前面的主语而定单 复数： 2.because&so;though/although&but 不能同时出现在一句子里。 3.and 用于肯定句；or 常用于否定句或疑问句中，表示“或”， “还是”；还可以表示“否 则”。 4.区分 when&while:while 表示的只是“一段时间”， 它引导的从句中的动词是延续性动 词、从句的行为可与主句的行为同时发生，或者主句的行为发生在从句的行为正在进 行的某一点上。when 既可指“一段时间”， 也可指“在某个时间点”。 温馨提示 常考点： 区分 and&or 在祈使句中的用法一“and” 表示如果这样做的结果，“or”表示如果 不这样做（即否则）的结果。如： Get up early, ______ you'll be late. A. o B.and C.but D.or 【提示】： 判断出后半句为不早起的后果，选 D. 名校真题 （ ） 1. Get up early, ________ you'll be late. A.so B.and C.but D.or （ ） 2. It's raining hard, ________ the farmers are still working hard in the field. A.and B.but C.so D.though （ ） 3. My mother likes little animals _____ they are friendly and gentle. A.but B.and C.or D.because 4. Although Tom was much younger,he draws as ______ as Peter! （ ） A.well B.better C.good D.best （ ） 5. He had a stomachache______ he ate something bad this morning. A.or B.if C. so D.because （ ） 6. Though the nurse is tired,_______she is still working. A.but B. / C.because D. So （ ）7. --Which subject do you like? －I like science______ it is difficult _______. A.though;sometimes B.though;sometime C.so;sometimes D.so;sometime （ ）8. Hurry up, ______ you will be late. A.and B.or C. so D.but （ ）9. Don't give up, ______you will never succeed. A.and B.but C.while D.or （ ）10. You will not be healthy _______ you have a balanced diet and do exercise regularly. A.if B.unless C.when D.because （ ）11. I will take an exam next week, ______ I must bury myself in the books. A.so B.but C.if D.when （ ）12. The bus driver always says to us, "Don't get off ______ the bus stops. " A.when B.while C.until D. if （ ）13. -What do you think of the four classics (名著）of China? －They are wonderful,but I've read _____ of them. A.both B.none C.neither D.all （ ）14. The show is so boring that I left the hall ______ it was over. A.after B.before C.though D. until （ ）15. He doesn't go to school today _______ he is ill. A.and B.or C.because D.but （ ）16. We bought Granny a present, _____she didn't like______. A.and,it B.but,it C.so,one D.but,one （ ）17. Which of the following describes the right order? A. First-Next-Then-Afterwards-Finally B. First-Then-Next-Afterwards-Finally C. First-Next-Afterwards-Then-Finally D. First-Then-Next-Finally-Afterwards 答案： 1-5 DBDAD 6-10 BABDB 11-15 ACBBC 16-17 BB