http://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)http://www.englishforums.com/English/Sentence3/dgzjw/post.htm#281647Mon, 16 Oct 2006 12:59:26 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:281647Marius Hancu0http://www.englishforums.com/English/Sentence3/dgzjw/post.htm#281647http://www.englishforums.com/English/comments12-281647.xml<font color="#0000ff">some=unspecified</font> <br> <font color="#0000ff">certain=particular</font><br> don't mean the same<div style="clear:both;"></div>http://www.englishforums.com/English/Sentence3/dgzwc/post.htmMon, 16 Oct 2006 12:10:47 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:281624Tung Quoc1http://www.englishforums.com/English/Sentence3/dgzwc/post.htmhttp://www.englishforums.com/English/comments12-281624.xml<P>He's in <B>some</B> kind of trouble. (1)</P> <P>=He's in&nbsp;<B>a</B> <B>certain</B> kind of trouble. (2)</P> <P>=He's in&nbsp;<B>certain</B> kind<U>s</U> of trouble. (3)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ?</P>Q<div style="clear:both;"></div>