Simple Past Tense[sentences(Daniel y Nereyda)]
Aff. Structure:
Subjet + Verb(+ed/irregular) + Complement + .


Sergio drank orange juice .


Neg. Structure:
Subjet + didn't + Verb(base part) + Complement + .


Sergio didn´t drink orange juice.


Int. Structure:
IF? -yes or no
Did + Subjet + Verb(base part) + Complement + ?


Did Sergio drink orange juice ?
yes, he did .


WH?.-
Wh + did + Subjet + Verb(base part) + Complement + ?


What did Sergio Drink?
orange juice .