Hi Teachers<br/><br/>I think the genitive subject I learned was this :<br/><br/>USE --'s--- for the persons and animals<br/><br/>USE --of--- for the unliving things or the others except persons or animals<br/><br/>So why I sometimes see these type of genitives....<br/><br/><b>A Japanese railway company has started testing what it says is the world's fastest train......................</b><br/><br/><b> we can increase the examples,,,,are there any rules for this situation</b><br/><br/><b>OR is this the famous one in whichthere are always something against the grammar rule?</b>