Negative (-) & Questions (?)
Affirmative form: Negative form: She worked at Zara. -> She did not work at Zara.
SUBJECT+ DID NOT+ INFINITIVE (stem of verb)
Affirmative form: Question form:
She worked at Zara. -> Did she work at Zara?
DID + SUBJECT + INFINITIVE (stem of verb) ....?
She was the manager at Zara. -> Was she the manager at Zara? They were employees. -> Were they employees?
WAS/WERE + SUBJECT + .......?