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连词 一.概念 连词是用来连接词,短语,从句或句子的词.连词不作成分. 二.相关知识点精讲 1.表示并列关系的连词有：and, bothand, not only but also和neithernor等 1)and：和，并且 A：基本用法： and表示 和、并且的意思，用来连接对等关系的字和字，片语和片语，句子和句子。 I enjoy basketball , football and table tennis. The weather becomes colder and colder. B:特别用法： 祁使句后连接and，有条件句作用，此时and=if you,youll Go straight on, and youll see the library.==If you go straight on, you will see the library. 2)bothand既也,(两者)都 A、bothand构成的词组作主语时,谓语动词用复数。 Both Jim and Kate are from England. B、bothand否定句表示部分否定。 You cant speak both German and English. Both my father and my mother arent doctors. 3)neithernor:既不也不 neithernor连接两个并列主语时,谓语动词靠近哪个主语就与哪个主语保持 人称和 数的一致，即采取就近原则。 Neither I nor he has seen the play before. | 
