PRESENTE SIMPLE

SUBJ + VERB (S.P.) + COMP

This tense in english is use for talking about events or thing that we do daily as routines or habits. For example:
I take a shower everyday.
She goes to school all the mornings.
As we can see, here are some examples of routines or habits that someone has.

Now lets check some other examples but in negative form.
I don't prepare the lunch every afternoon.
He doesn't clean his room on weekends.
Here we check that the structure is complety diferent from the affirmative one.

Also is important to notice that the simple present is use for talking about facts. For example:
Fishes don't breath air.
A cheeta runs faster than any other animal in the world.
We can notice that here we are talking about facts or things are complery real or stablish and that no one can change.