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: 3191.21962)http://www.englishforums.com/English/LaughedClassmates/gchvq/post.htm#513059Tue, 13 May 2008 07:42:47 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:513059CalifJim0http://www.englishforums.com/English/LaughedClassmates/gchvq/post.htm#513059http://www.englishforums.com/English/comments12-513059.xmlIt&#39;s required in the active:</p><p><i>All of his classmates laughed at him.</i></p><p>So it&#39;s required in the passive as well:</p><p><i>He was laughed at by all of his classmates.</i></p><p>CJ&nbsp;<div style="clear:both;"></div>http://www.englishforums.com/English/LaughedClassmates/gchrw/post.htm#512983Tue, 13 May 2008 01:10:26 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:512983Avangi1http://www.englishforums.com/English/LaughedClassmates/gchrw/post.htm#512983http://www.englishforums.com/English/comments12-512983.xml<p>no</p><div style="clear:both;"></div>http://www.englishforums.com/English/LaughedClassmates/gchrd/post.htmTue, 13 May 2008 00:48:24 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:512978Angliholic2http://www.englishforums.com/English/LaughedClassmates/gchrd/post.htmhttp://www.englishforums.com/English/comments12-512978.xml<p>He was laughed <strong>at</strong> by all of his classmates.</p> <p>&nbsp;</p> <p>Hi,</p> <p>Is &quot;at&quot; in the above optional? Thanks.</p><div style="clear:both;"></div>