ESL General English Grammar Questionshttp://www.englishforums.com/English/GeneralEnglishGrammarQuestions/Forum12.htmAsk your questions on grammar and get your sentence checked. We answer lots of different types of general English grammar questions here.enCSMOD (Build: 3273.32735)Re: Sincehttp://www.englishforums.com/English/Since/mccw/post.htm#59576Mon, 06 Dec 2004 05:41:06 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:59576CalifJim0http://www.englishforums.com/English/Since/mccw/post.htm#59576http://www.englishforums.com/English/comments12-59576.xmlYes. Those are all correct. 1. and 2. have the same meaning and use "since" as a preposition. 3. has "since" as a conjunction. Yes.Sincehttp://www.englishforums.com/English/Since/mccg/post.htmMon, 06 Dec 2004 05:30:12 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:59574hanuman_20001http://www.englishforums.com/English/Since/mccg/post.htmhttp://www.englishforums.com/English/comments12-59574.xmlSir, <br /> <br />1.I have worked here since 1992. <br /> <br />2.I have been working here since 1992. <br /> <br /> <br />Are the meaning same for both the sentences. <br /> <br />"since" here works as preposition. <br /> <br /> <br />3. I have not seen her since I left the school. <br /> <br /> <br />In this sentence "since" works as "conjuction". <br /> <br /> <br />Thanks.