http://www.englishforums.com/English/EslGeneralEnglishGrammar-Questions/Forum12.htmAsk your questions on grammar and get your sentence checked. We answer lots of different types of general English grammar questions here. <font color=red>DO NOT post paragraphs and compositions here. Post them in our <a href="http://www.englishforums.com/English/EssayReportCompositionWriting/Forum9.htm"><b>Essay, Report and Composition Writing Forum</b></a>.</font>enXMOD (Build: 3615.29165)http://www.englishforums.com/English/Words/wpknc/post.htm#744979Sun, 24 May 2009 04:32:56 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:744979Clive0http://www.englishforums.com/English/Words/wpknc/post.htm#744979http://www.englishforums.com/English/comments12-744979.xmlHi, I think your understanding of this is pretty good. Such words don&#39;t add much meaning. I guess you would try to avoid them in situations where you wanted to speak more formally and show yourself to be clear-thinking, eg a job interview. Clivehttp://www.englishforums.com/English/Words/wpknc/post.htmSun, 24 May 2009 04:20:30 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:744976Lucus Ong1http://www.englishforums.com/English/Words/wpknc/post.htmhttp://www.englishforums.com/English/comments12-744976.xmlsomebody：what were you doing last weekend? somebody: you know /well / but/ I don&#39;t know /in fact /actually/ I like/ so/ okay /so I were reading a detective novel whole day long. you know /well / but/ I don&#39;t know /in fact /actually/ I like/ so/ okay /so we use these words when we need to organize our thought, or we need to think the vocab that we want to use in our conversation. do they have any meaning? when shouldn&#39;t we use them? great thanks in advance