Make a sentence
You are a teacher.
Make a Yes/No question and answer
Is it an umbrella? Yes, it is.
Make a sentence
They are teachers.
Make a Yes/No question and answer
Are they umbrellas? Yes, they are.
Make a sentence
We are singers.
Make a sentence
You are dancers.
Make a Yes/No question and answer
Is she a student? Yes, she is.
Make a sentence
I am a student.