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While going through the vast stretches of English grammar, I have often felt that some of the rules governing it are a bit perverse and illogical.For instance, why don't English people say crafts, aircrafts, sheeps and deers?
And why do hunters and poachers use the same form for some game birds and animals? Are there any logical explanations for these apparent anomalies?
a trace of illogicality 
Linear Mode
