Definition of third-person singular:
(n) :
the form of a verb used (in English and other languages) with singular nouns and with the pronouns
he,
she,
it and
one (or their equivalents in other languages)
"Is" is the third-person singular of "to be".
Definition of third-person singular:
(n) :
the form of a verb used (in English and other languages) with singular nouns and with the pronouns
he,
she,
it and
one (or their equivalents in other languages)
"Is" is the third-person singular of "to be".