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/FishTankOrTankOfFish/dkgdq/post.htm#301539Sat, 25 Apr 2009 18:09:45 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:301539nona the brit0http://www.englishforums.com/English/FishTankOrTankOfFish/dkgdq/post.htm#301539http://www.englishforums.com/English/comments12-301539.xmlspeed sound - incorrect speed of sound - correct body parts - correct but it sounds as though they are separated - as though the person has been dismembered! parts of the body - correct tank of fish - correct but only if there are fish in the tank fish tank - correct name for the tank that holds fish. It doesn't say whether or not there are any fish inside it.http://www.englishforums.com/English/FishTankOrTankOfFish/dkgdq/post.htmSat, 25 Apr 2009 18:09:45 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:301494Anonymous1http://www.englishforums.com/English/FishTankOrTankOfFish/dkgdq/post.htmhttp://www.englishforums.com/English/comments12-301494.xmlWe can say speed sound or the speed of sound...body parts or parts of the body. But can we say tank of fish instead of fish tank? Is there a rule for this in english grammar? Does the change affect the meaning?