2018年中考英语总复习（人教版） 语法专项突破课件：专题六 连词 (共12张PPT)

课件12张PPT。专题六　连词考点一考点二用于连接单词、短语、从句或句子的词叫连词。连词是虚词,在句中不能独立充当句子成分,只起连接作用。
考点一　并列连词　?
并列连词按其作用分为表示并列、选择、转折和因果关系的四大类。
1.表示并列关系的并列连词
常见的表示并列关系的并列连词有:and,not only ...but also ...,as well as,both ...and ...,neither ...nor ...,它们用来连接两个并列或对称关系的单词、短语或分句。在否定句和疑问句中,常用or,而不用and表示并列关系。
考点一考点二Ann and I are in the same school.
安和我在同一所学校。
Not only the students but also the teacher gives the money to our school.
不仅学生为我们学校捐了款而且这位老师也捐了款。
Paul is a writer as well as a teacher.
保罗不仅是一位老师,也是一位作家。
Both you and she are right.
你和她都对。
Neither you nor I am from Australia.
你和我都不是来自澳大利亚。
【提醒】 not only A but also B中,强调的对象是B;而在句型A as well as B中强调的对象是A。考点一考点二2.表示选择关系的并列连词
常见的表示选择关系的并列连词有:or,not ...but ...,either ...or ...等。
(1)or的用法
①or意为“或”,表示一种选择关系。
Would you like tea or coffee?你想喝茶还是咖啡?
②or用在“祈使句+or ...”结构中,其中or在此意为“否则”。
Study hard,or you will fail in the exam.
努力学习,否则你不会通过这次考试。
③or用在否定句中代替and表示并列关系。
He can’t read or write.他既不会读也不会写。
考点一考点二(2)not ...but ...意为“不是……而是……”,either ...or ...意为“不是……就是……;或者……或者……”,动词与邻近的主语保持一致,即遵循“就近原则”。
Not Father but Mother was present at the ceremony.
不是父亲而是母亲出席了这一仪式。
Either you or he has to go.=Either he or you have to go.
不是你就是他得去。
考点一考点二3.表示转折关系的并列连词
常见的表示转折关系的并列连词有while,but,yet等,用来连接两个意思不同甚至相反的单词、短语或分句。
I was born in Hefei while I grew up in Changchun.
我出生在合肥,然而在长春长大。
He wants to go,but his sister wants to stay.
他想走,但他妹妹想留下。
He worked hard,yet he failed to pass the exam.
他学习很努力,然而却没有通过考试。
考点一考点二4.表示因果关系的并列连词
常见的表示因果关系的并列连词有so,for。
The boss called me just now,so I must go to the office at once.
老板刚才打电话找我,因此我必须马上去办公室。
I must be away for a week,for I’ll fix the machine for a factory.
我必须离开一周,因为要为一家工厂修机器。考点一考点二考点二　从属连词　?
从属连词通常引导一个从句,修饰主句。一般可分为引导名词性从句(主语从句、宾语从句或表语从句等)的从属连词和引导状语从句的从属连词。
1.引导名词性从句的从属连词主要有that,if(是否),whether(是否),when等。
It hasn’t been decided when the sports meeting will be held.
运动会什么时候举行还没定。(引导主语从句)
I don’t know if he will come tomorrow.
我不知道他明天是否会来。(引导宾语从句)
The problem is that I don’t have enough money.
问题是我没有足够的钱。(引导表语从句)考点一考点二2.引导状语从句的从属连词有很多,其类型见下表:考点一考点二考点一考点二考点一考点二注意:不能连用的两组连词
1.because(因为)和so(所以)不能同时出现在一个句子里,只能用其一。
Because Nick was tired,he couldn’t walk there.=Nick was tired,so he couldn’t walk there.
因为尼克累了,所以他不能走到那儿了。
2.(al)though(虽然)和but(但是)不能同时出现在一个句子里,只能用其一。但though和yet可以同时出现在一个句子里(yet用作副词)。
Though Tom was tired,he still worked hard.=Tom was tired,but he still worked hard.
虽然汤姆累了,但他仍然努力工作。