The Indefinite Tenses: grammar rules, usage and patterns.
present indefinite (or present simple)
future indefinite (or future simple)
past indefinite (or past simple)

The Present Indefinite

The Formation of the Present Indefinite

Affirmative	Interrogative	Negative
I work. He works. She works. It works. We work. You work. They work.	Do I work? Does he work? Does she work? Does it work? Do we work? Do you work? Do they work?	I do not work. He does not work. She does not work. It does not work. We do not work. You do not work. They do not work.

The Present Indefinite is used to denote:
1) customary and permanent actions or states.

Key example:
I study English. Ann studies English.

For study:
What do I do in the morning? What does Ann do in the morning?

I get up at 7. I do morning exercises. I take a shower. I get my breakfast ready.

Ann gets up at 7. Ann does morning exercises. Ann takes a shower. Ann gets her breakfast ready.

What do I usually do? What does Ann usually do?

I seldom switch the TV on. I often play the piano. I usually read books. I always listen to the latest news. I often take a walk. I never have my supper late.

Ann seldom switches the TV on. Ann often plays the piano. Ann usually reads books. Ann always listens to the latest news. Ann often takes a walk. Ann never has her supper late.