Grammar / A1 Grammar lessons and exercises Present simple forms of ‘to be’: am/is/are

I → am: I am happy. (I’m tired.)
He / She / It → is: She is tired. It is cold. (He’s a boy. It’s big.)
We / You / They → are: They are ready. (You’re late. They’re friends.)
We use he for a man, she for a woman, and it for a thing.
Always include the subject before the verb.
It is cold.
Is cold.
Sally is a wonderful woman.
Is a wonderful woman.We use ‘m, ‘s, and ‘re with personal pronouns (I, you, he, she, it, we, they).
But we can also use ‘s with names:
✅ Use full forms in positive short answers.
❌ Do not use contractions.
✅ Yes, I am.
❌ Yes, I’m.
✅ Yes, she is.
❌ Yes, she’s.
✅ Yes, they are.
❌ Yes, they’re.
