精选优质文档-倾情为你奉上1.(1)表示“当时候”或“每当”的时间连词。主要的when, while, as, whenever：He jumped up when the phone rang.电话铃响时他吓了一跳。We listened while the teacher read.老师朗读时我们听着。The phone rang just as I was leaving.我正要离开，电话铃就响了起来。(2)表示“在之前(或之后)”的时间连词。主要的有before, after：Turn the lights off before you leave.离开前请关灯。He started the job soon after he left the university.他大学毕业后就开始做这份工作。(3)表示“自从”或“直到”的时间连词。主要的有since, until, till：He has lived here since he got married.他结婚后就一直住在这儿。Most
