Question

To make a singular noun, “octopus,” possessive, you should

a. add an apostrophe followed by s.
b. add an s followed by an apostrophe.
c. add an es.
d. add just an s.

Answer 1

The rule is, for singular nouns, regardless of what letter the base word ends, to show possession or ownership, an apostrophe should be followed by s. So, for the word "octopus", the possessive form would be "octopus's". The correct answer is option A.