brief explanation about grammar use of Verb to be

1. Examples:Examples:
• I am from Chile.
•We are students.
•My brother is a vet.
•My sister and me are tired.
•She is very smart.
•Ian is a good doctor.

2. 1. I _______a student.
2. He _______ a teacher.
3. She _____ a journalist.
4. It _____ a book.
5. We _____ mechanics.
6. You ______ pilots.
7. They _______ policemen.
A. It _______ cold today.
B. I _______ at home now.
C. They ______ Korean.
D. There _____ a pen on the desk.
E. We _____ from Ukraine.
F. I ______ OK, thanks.
G. Clara and Steve _____ married.