What does sawfa contribute in wa-la-sawfa yuʿṭīka rabbuka?

Supplementary Practice 18: Rhetorical Analysis of Sūrat al-Ḍuḥā and Sūrat al-Sharḥ

• It confines the giving to the recent past
• It makes the assertion negative
• It locates the promised giving in the future
• It makes rabbuka genitive