Completa los siguientes enunciados con la forma correcta del verbo TO BE en su forma
negativa.
I______ american. I am mexican.
Sarah______15. She is 17 years old.
The children_______at school, they are playing at home.
Carl______ a new student. He is in 4th semester.
Mark and Anna ______doctors, but nurses.
negativa.
I______ american. I am mexican.
Sarah______15. She is 17 years old.
The children_______at school, they are playing at home.
Carl______ a new student. He is in 4th semester.
Mark and Anna ______doctors, but nurses.
Isn’t
Aren’t
Isn’t
Aren’t