THIS SIMPLE

Affirmative: Subject + Verb + infinitive without to complement
In the third person is added-s-o-es-
Example: I read my book / He reads historical book

Interrogative : Do/Does + Sujeto + Verbo en infinitivo sin to + Complemento

Example : Do you read the book? / Does he read the book

Negative : Sujeto + don´t / doesn´t + verbo en infinitivo sin to

Example : I don´t read