Cuvantul "masa" este la forma de singular, nu plural.
The word "masa" is in the singular form, not plural.
La singular, verbul "a fi" se conjuga diferit fata de plural.
In the singular, the verb "a fi" is conjugated differently from the plural.
Elevul nu stia sa formeze pluralul de la un cuvant cu forma singulara neobisnuita.
The pupil didn't know how to form the plural of a word with an unusual singular form.
