Singular nouns take singular verbs and articles like "a" or "an", while plural nouns take plural verbs without articles. For example: (1) Canada is a country and Mexico is a country. (2) Cats are animals. (3) When two singular nouns joined by "and" act as a single subject, they take a plural verb. For example, "Canada and China are countries."

4. Singular means
“one”
NOUN + IS + In (a) Canada = a
NOUN singular noun
a) Canada is a Is = a singular verb
country Country = a singular
noun

5. A frequently
comes in front of
singular nouns.
In (b): A comes in
b) Mexico is a front of the
country singular noun
country.
A is called
“article”

6. A and an have the same
meaning . They are both
articles . A is used in front
of words that begin with
c) A cat is an consonants : b, c, d, f, g, etc.
Examples : a bed, a cat,
animal a dog, a friend, a girl .
An is used in front of words
that begin with a, e, i, and o
Examples : an animal,
an ear, an island, an office.

7. NOUN + ARE+ NOUN:
PLURAL

8. NOUN + ARE +
NOUN
Plural means
“two, three, or
a) Cats are
more .”
animals
cats = a plural
noun
are = a plural verb
animals = a plural
noun

9. b) SINGULAR: a cat an
animal Plural nouns end in –s.
A and an are used only
PULURAL : cats , with singular nouns .
animals
c) SINGULAR : a city, a Some singular nouns
country that end in –y have a
special plural form :
PLURAL : cities,
countries
they omit –y and add
–ies

10. NOUN AND NOUN
+ARE+ NOUN
Two nouns connected
by and are followed are.
d) Canada and china
In (d): Canada is a
are countries .
singular noun . China is
singular noun. They are
connected by and.
Together they are
e) Dogs and cats are plural , i, e, “more than
animals. one”