I want to know if you would use an imperfect ending or a preterite ending for telling when people were doing something for only one time.
when do you use preterite ending and imperfect endings?
Preterite when you state an exact time, like yesterday or October 22. Use preterite for that.
"Click" on this link where you will be able to see the answer to your question.----|> Preterit vs Imperfect
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