Find out if prolong is plural by checking the Plural Dictionary: www.isplural.com/plural_singular/prolong .

prolong

Is prolong plural

Prolong is singular plural both plural and singular both plural and singular singular plural plural singular both plural and singular.

How to say prolong:

Cite This Source

Not sure why prolong is singular plural both both singular plural plural singular both? Contact Us! We'll explain.

Grammar Quiz

Is it then or than?

is Plural, Plural or Singular, is Plural Dictionary,
and is Singular are all trademarks of Plural Of.