です」は主語によって am is are を使い分けます。

「~です」は主語によって
am
is
are
を使い分けます。
単数
1人
称
2人
称
3人
称
わたし
I
あなた you
彼
he
彼女
she
それ
it
ケン
Ken
複数形
am
we
are
are
you
are
is
they
are
I am a student.
You are a student.
He is a student.
She is a student.
We are students.
You are students.
They are students.
I(
) a student.
You (
) a student.
He (
) a student.
She (
) a student.
We (
) students.
You (
) students.
They (
) students.
I ( am) a student.
They ( are ) students.
He ( is ) a student.
She (is ) a student.
We ( are ) students.
You ( are) a student.
You ( are ) students.