精选优质文档-倾情为你奉上连词部分连词在句中的作用是把词与词、短语与短语、句子与句子连接起来。它不能在句中单独作句子成分。连词的分类：1并列连词 如：and, or, but, for, 等， 连接并列的词与词，短语与短语，句子与句子。如：Rice and potatoes are common foods. （词与词） Today we can travel by plane. （短语与短语） Many trees lose their leaves in winter, but evergreen trees do not. （ 句子与句子）关联连词是一类成对使用的连词如：bothand, notbut. not onlybut also not onlybut as well eitheror neithernor关联连词必须后接同样的语法结构。如：Either the windows were open
