Form

Positive

Subject Verb Example
I / You / We / Theybase formI work every day.
He / She / Itbase + -s / -esShe works every day.

Negative

Subject Structure Example
I / You / We / Theysubject + don't + baseI don't work on Sundays.
He / She / Itsubject + doesn't + baseHe doesn't work on Sundays.

Questions

Type Structure Example
Yes/NoDo + I/you/we/they + base?Do you work here?
Does + he/she/it + base?Does she work here?
Wh-Wh- word + do/does + subject + base?Where do you work?
Remember: With he, she, it — use does/doesn't in questions and negatives. The base verb has no -s: "Does she work?" (NOT "Does she works?")

Use

Use Examples
Habits and routines
She drinks coffee every morning.
We go to the gym on Tuesdays.
General facts and permanent truths
Water boils at 100°C.
The sun rises in the east.
Permanent states
He lives in London.
I love pizza.
Schedules and timetables
The train leaves at 8:30.
The film starts at 9.

Spelling rules for he/she/it

Rule When Example
Add -sMost verbswork → works, play → plays
Add -esEnds in -ch, -sh, -x, -o, -ss, -zwatch → watches, go → goes
-y → -iesEnds in consonant + ystudy → studies, fly → flies
Irregularhave / behave → has  |  be → is

Signal words

These words often appear with the Present Simple:

always usually often sometimes rarely never every day / week / year on Mondays in the morning once a week
She always has breakfast at 7 a.m.
He never drinks coffee.
We go to the cinema every Friday.

Exercises

Practice what you've just learned:

Exercise 1 — Fill in the blank

Complete each sentence with the correct form of the verb in brackets.

1. She (work) in a hospital.
2. I (not / understand) this question.
3. (he / play?) football at the weekend?
4. My brother (study) every night.
5. He (not / like) spicy food.

Exercise 2 — Choose the correct option

Select the correct verb form.

1. The train _____ at 9:15.

2. They _____ English at school.

3. _____ your sister live in Madrid?

4. He _____ coffee.