If the word ends in x then add -es
box -- boxes, hex -- hexes, fox -- foxes
The plural of rule is rules.
Change the Y in I and add ES. Story -> Stories
The plural of colleague is colleagues. This follows the basic rule for forming most plurals: just add an "s".
The regular plural form of a noun adds (s) or (es) to the singular noun.
Rules of thumb
The rule for forming the plural of the noun 'elf' is to change the ending 'f' to a 'v' and add 'es'. The plural noun is elves.
The plural of rule is rules.
Change the Y in I and add ES. Story -> Stories
The plural of colleague is colleagues. This follows the basic rule for forming most plurals: just add an "s".
The regular plural form of a noun adds (s) or (es) to the singular noun.
loaves is a plural noun in the rule 8
Rules of thumb
agenda
Because there is no standard rule for words ending in -o.
Well, darling, the plural form of "traffic rule" is "traffic rules." It's not rocket science, honey. Just add an "s" at the end and voilà, you've got yourself a plural. Now go out there and follow those traffic rules like the responsible citizen you are!
very carefuly
You can make a plural sentence by replacing the is with are and I with we.