नियम 1– कुछ Nouns देखने में Singular प्रतीत होते है लेकिन हमेशा Plural होते है

जैसे- Cattle, Poultry, People, Police, Gentry, Peasantry, Electorate आदि

नियम 2– Crowd, Audience, Class, Jury, Family, Government, Public आदि Nouns से यदि एक ईकाई (unit)का बोध हो तो Singular लेकिन यदि इनसे इनके सदस्यों का बोध हो तो Plural माना जाता है

उदाहरण-
My family is waiting for me
The Indian team is playing first.
The Team Are Looking Quite Fit.

नियम 3 – कुछ शब्द Singular तथा Plural में एक समान रहते हैं इन्हें Plural Form में नहीं बदला जा सकता
जैसे- Brace, cannon, cod, corps, hertz, fracas , means, mackerel, mathematics offspring, politics, pike salmon, series, swine, trout, yoke, deer , sheep, fish means, score, agenda, data etc

उदाहरण-
Mathematics is an interesting subject.
The Wages Of The Workers Have Been Raised.