The possessive form of the plural noun secretaries is secretaries'.
Example: The secretaries' reports are published quarterly.
The plural form for the singular noun secretary is secretaries.The plural possessive form is secretaries'.example: The secretaries' jobs are by political appointment.
Yes, it is correct if you are speaking about the boss of more than one secretary (the plural possessive form.) If you were speaking of the boss of one secretary the proper spelling would be secretary's. The plural of secretary is secretaries. The possessive of secretary is secretary's. The plural possessive of secretary is secretaries' (I have heard that secretaries's is technically correct, but I find it cumbersome myself.) In general the possessive form of words ending in S is that word with an apostrophe on the end. !
The singular possessive form is story's.
The correct possessive form of dynasty is "dynasty's."
The correct spelling for the possessive form of "college" is "college's."
The possessive form of the plural noun secretaries is secretaries'. An example of usage is - "the secretaries' notebooks".A singular secretary with one notebook would be "the secretary's notebook".
The possessive form of the plural noun secretaries of state is secretaries of state's.Example: A row of secretaries of state's photos lined the wall.
kids'
The plural possessive of "secretary" is "secretaries'."
The possessive of scientist is scientist's (apostrophe S).
companies'
contractor's