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/Plural/gkpcc/post.htm#554656Sun, 25 Jan 2009 16:06:45 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:554656Mister Micawber0http://www.englishforums.com/English/Plural/gkpcc/post.htm#554656http://www.englishforums.com/English/comments12-554656.xml. Use these, Hanuman, they are all indefinite: 1. A rose plant has thorns. 1b Rose plants have thorns. 2. A book is made of paper. 2b. Books are made of paper . To singularize the definite &#39; The books are made of paper &#39;, use &#39; The book is made of paper &#39;. .http://www.englishforums.com/English/Plural/gkpcc/post.htmSun, 25 Jan 2009 16:06:45 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:554627hanuman_20001http://www.englishforums.com/English/Plural/gkpcc/post.htmhttp://www.englishforums.com/English/comments12-554627.xmlHello, I have to rewrite the following sentences, changing the nouns and pronouns into their plural forms. 1. A rose plant has thorns. 1.a The rose plants have thorns. 1.b Rose plants have thorns. Now I have one doubt, Shall I write as 1.a or 1.b? When a sentence start with &quot;A&quot; for example 2. A book is made of paper. Shall I write The books are made of papers. OR Books are made of paper. What are the rules? Please help me. Thanks.