Could anyone please help see the difference between<br/><br/>[1] pat <i>something</i><br/>[2] pat on <i>something</i><br/>[3] pat at <i>something</i><br/><br/>and <br/><br/>[4] tap <i>something</i><br/>[5] tap on <i>something</i><br/>[ 6] tap at <i>something</i><br/><br/>?<br/><br/>You help would be highly appreciated.<br/><br/>Hiro