SENTENCE STRUCTURE - PRESENT SIMPLE

SENTENCE STRUCTURE

AFFIRMATIVE FORM

Subject + verb

EXAMPLE

I talk

He eats

They learn

NEGATIVE FORM

Subject + auxiliary verb (to do) + negative auxiliary ("not") + verb.

EXAMPLE

I do not (don't) talk

He does not (doesn't) eat

They do not (don't) learn 

INTERROGATIVE FORM

Auxiliary verb (to do) + subject + main verb +?

EXAMPLE

Do you talk?

Does he eat?

Do they learn?

image taken from: https://sites.google.com/site/sbellosoiii/extra-credit/simple-present-tense/ejemplo