Present Simple: Be vs Do (Affirmative & Negative)

1. The verb be (am / is / are)

Use be to talk about:

1. who you are
2. how you feel
3. where you are

Examples:

I am a student.

She is happy.

They are at home.

Negative:

Add not after be.

I am not tired.

He is not here.

We are not late.

2. Action verbs (like, work, play, live)

Use action verbs for things you do.

Examples:

I work every day.

She plays tennis.

They live in London.

Negative:

Use do not (don’t) or does not (doesn’t)

1. I / you / we / they → don’t
2. he / she / it → doesn’t

Examples:

I don’t like coffee.

She doesn’t work on Sundays.

3. Quick tip

1. Use be + not → I am not happy.
2. Use don’t / doesn’t + verb → I don’t work on Sundays.