This document provides information about using the present and past forms of the verb "to be" in English. It lists the subjects and their corresponding present and past verb forms, and gives examples of affirmative, negative, and interrogative sentences. Links are provided for additional practice with both present and past forms of "to be".

2. Present “to be”
 Subject + am, is, are + Complement + .

3. Present “ to be”
I Am
He Is
She Is
It Is A student.
We Are
You Are
They Are

4. Present “to be”
 She is a student (Affirmative)
 She isn´t a student (Negative)
 Is she a student? (Interrogative)

5. Let´s Practice!
 http://members.iinet.net.au/~adelegc/grammar/prese
nt_simple/to_be.html
 http://www.eclecticenglish.com/grammar/PresentSim
pleToBe1A.html

6. Past “to be”
 Subject + was, were + Complement + .

7. Past “to be”
I Was
He Was
She Was
It Was A student.
We Were
You Were
They Were

8. Past “to be”
 I was at school. (Affirmative)
 I wasn´t at school. (Negative)
 Was I at school? (Interrogative)

9. Let´s Practice!
 http://esl.about.com/library/beginner/blwas.htm
 http://a4esl.org/q/f/z/zz17mdf.htm