Singular and non-count nouns (in the third person) require the –s form of the verb in the present tense.
The girl loves painting.
My dog likes to eat meat.
Johnny lives next door to Jenny.
Milk contains nutrients.
Tommy has two hobbies.
Jerry is from Colorado.
Singular count nouns require an article (the, a, an) unless
-
they are “proper” nouns
they are preceded by a possessive
they are preceded by this, that, each, every, either, neither, or one.
(Wrong: Apple is on table.—articles are required)
Plural nouns and singular non-count nouns do not require an article in the “generic” sense:
However, they require articles (the, some) in most other cases.