write the rules for the simple present tense

affirmative form

sub + verb + complement + .
ej: I listen music.
note: in 3rd person singular add s/es of the verb


negative form

sub + do not/don´t + verb +complement + .
ej: I don´t listen music.
note: in 3rd person sigular add "es" ej: does not or doesn´t

interrogative form

do + sub+ verb + complement +?
ej: do you listen music?
note: in 3rd person sigular add "es" ej: does not or doesn´t