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: 3616.28671)http://www.englishforums.com/English/CommaBeforeWhich/jmmzw/post.htm#814224Fri, 10 Jul 2009 19:43:00 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:814224Yankee0http://www.englishforums.com/English/CommaBeforeWhich/jmmzw/post.htm#814224http://www.englishforums.com/English/comments12-814224.xmlHi Anon I also doubt that many consumers even know which special products or companies have received an industrial design award. No comma. The word &quot;which&quot; introduces a clause that basically functions as the direct object of the verb &quot;know&quot;. Their sample was limited to only Dutch manufacturers , which did not allow them to control their findings for companies all over the world. Yes, you need a comma after the word &quot;manufacturers&quot;. The word &quot;which&quot; begins a non-defining/nonrestrictive relative clause. This could lead to a better company performance , one which is significantly attributable to marketing intensity and not significantly to industrial design intensity. I don&#39;t...http://www.englishforums.com/English/CommaBeforeWhich/jmmzw/post.htmFri, 10 Jul 2009 18:55:35 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:814206Anonymous1http://www.englishforums.com/English/CommaBeforeWhich/jmmzw/post.htmhttp://www.englishforums.com/English/comments12-814206.xmlHey guys, I am having some trouble with three sentences. I am not sure if I have to use commas in front of which in the following sentences: I also doubt that many consumers even know which special products or companies have received an industrial design award. Their sample was limited to only Dutch manufacturers which did not allow them to control their findings for companies all over the world. This could lead to a better company performance which is significantly attributable to marketing intensity and not significantly to industrial design intensity. Maybe someone can help me?