Exodus 2:16

16 Now a priest of Midian had seven daughters, and they came and began to draw
The preterites describing their actions must be taken in an ingressive sense, since they did not actually complete the job. Shepherds drove them away, and Moses watered the flocks.
water
The object “water” is not in the Hebrew text, but is implied.
and fill
This also has the ingressive sense, “began to fill,” but for stylistic reasons is translated simply “fill” here.
the troughs in order to water their father’s flock.
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