verb to be

Understanding the Verb “To Be”

Grammar Notes: Rules of the Verb “To Be”

  • The verb “to be” shows a state of being or existence.

  • It changes form depending on the subject and the tense.

Present Simple Forms

SubjectFormExample
IamI am a teacher.
YouareYou are my friend.
He / She / ItisShe is happy.
WeareWe are students.
TheyareThey are tired.

Past Simple Forms

SubjectFormExample
I / He / She / ItwasI was late.
You / We / TheywereThey were at school.

Negative Forms

  • Present:

    • I am not tired.

    • You aren’t ready.

    • He isn’t here.

  • Past:

    • I wasn’t home yesterday.

    • They weren’t hungry.

Question Forms

  • Present:

    • Am I late?

    • Are you okay?

    • Is she your teacher?

  • Past:

    • Was he there?

    • Were they happy?

💡 Tip: Use “to be” to describe states, feelings, occupations, and locations — not actions.


Practice Together

Complete the sentences with the correct form of the verb “to be.”

  1. I ___ a student.

  2. You ___ very tall.

  3. She ___ my sister.

  4. We ___ happy to be here.

  5. They ___ late for class.

  6. He ___ tired yesterday.

  7. You ___ at the park last night.

  8. It ___ very cold this morning.


Answer Key (Practice Together)

  1. am

  2. are

  3. is

  4. are

  5. are

  6. was

  7. were

  8. was


Practice Alone Worksheet

Below is the student worksheet PDF, followed by the teacher answer key PDF.


Student Worksheet

Teacher Answer Key

Conclusion

The verb to be may seem simple, but it’s one of the most important building blocks in English. It helps describe who we are, how we feel, and where things are—it’s the foundation for expressing states of being rather than actions. Mastering its forms in both present and past tenses allows students to write and speak with clarity and accuracy. Understanding when and how to use am, is, are, was, and were sets the stage for stronger grammar skills and more confident communication overall.

 
 

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