Use a contraction: He is an engineer.
He's an engineer
Use a contraction: We are teachers.
We're teachers.
Use a contraction: No, we are not.
No, we're not
Use a contraction: They are not artists.
They're not artists / They aren't artists.
Use a contraction: I am a student.
I'm a student.
Use a contraction: She is a chef.
She's a chef.
chef
an
a
actor
an
a
banker
a
an
musician
a
an
scientist
a
an
architect
a
an
photographer
a
an
