常用的连词，用法 解释

并列连词：and ,both...and ,neither...nor ,not only...but also , as well as. 表转折的连词：but,while,still,yet,however,nevertheless.表示选择的连词： or , otherwise ,either...or,表因果的连词： so ,for .从属连词：（引导从句） that ,who,whom,whose, what,how,when,where,why,how.as ,because,since,so that,though,even if ,even though ,however,whatever...