The verb 'to be' is essential for building basic English sentences. We use different forms—'am', 'is', and 'are'—to match the subject and show identity, characteristics, or location.
I'm, she's, we're, isn't, aren't. This sounds more natural in conversation.to be at the start, before the subject: Are you...?, Is it...?, not You are...? or `It is...?'Use am with I, is with he, she, it, and are with you, we, they.
Formulas:
I am (I'm)You/We/They are (You're/We're/They're)He/She/It is (He's/She's/It's)Examples:
I am Anna.She is a teacher.They are students.Make negatives by adding not after the verb: am not, is not (isn't), are not (aren't).
Examples:
I am not a doctor.He isn't from Spain.We aren't late.For yes/no questions, put the verb before the subject: Am I?, Is he/she/it?, Are you/we/they?
Examples:
Are you a student?Is she from Armenia?Am I late?Use only the verb and subject for short answers.
Examples:
Yes, I am. / No, I'm not.Yes, he is. / No, he isn't.Yes, they are. / No, they aren't.Do not add do or does in questions or negatives with to be.
Correct: Are you tired? Not: Do you are tired?
Correct: He isn’t ready. Not: He doesn’t is ready.
Always match the form of to be with the subject.
I amYou/we/they areHe/she/it isMistakes like She am or They is are incorrect.
Native speakers use contractions in everyday conversation and informal writing: I'm, you're, he's, it's, we're, they're, isn't, aren't.
is with he/she/it, never am.am is only for I.not comes after the verb to be, never before.a before a singular, countable noun.Answer a question using what you just learned and receive a suggested correction.
Start speakingWrite a few English sentences using what you just learned. Get an estimated level for your sample, explanations of key errors and a suggested revision.
Write a short paragraph introducing yourself. Include your name, where you are from, your age, and two things about yourself (for example: job, hobby, or something you like/dislike). Use positive, negative, and question forms of to be.
Dive deeper with another lesson that reinforces this grammar point.
Share feedback to improve this topic. This is anonymous.
Take a short test to get your estimated grammar level (A1–C2). Sign in from the result page to save it. Certificate availability and requirements are shown there.
Start test