The plural form for the noun focus is focuses.
Example: His subjects are good but his focuses are always off.
Foci is the plural form of the singular noun focus.
The plural form of the noun is focuses or foci. Either is acceptable.
curricula is a plural noun so to agree it takes a plural verb form.Curriculums is also acceptable for the pluural of curriculum.
The plural noun is halves.
The plural noun for path is paths. The plural noun for patch is patches.
The plural noun of general is generals. Generals is a regular plural noun.
No, Mice is a plural noun. Mouse is the singular noun.
It is a plural noun.
No, it is a possessive noun. Mothers is a plural noun.
The plural form for the noun lady is ladies.
The plural form of the noun newspaper newspapers.
The noun 'teeth' is the plural noun. The singular noun is 'tooth'.