'Completed' in the Bible

"And [when] forty years had been completed, an angel appeared to him in the desert of Mount Sinai in the flame of a burning bush.

So Barnabas and Saul returned to Jerusalem [when they] had completed [their] service, having taken along with [them] John (who is also called Mark).

and from there they sailed away to Antioch where they had been commended to the grace of God for the work that they had completed.

Now when these [things] were completed, Paul resolved in the Spirit to go to Jerusalem, passing through Macedonia and Achaia, saying, "After I have been there, it is necessary [for] me to see Rome also."

And [when] we had completed the voyage from Tyre, we arrived at Ptolemais. And [after we] greeted the brothers, we stayed one day with them.

But when the seven days were about to be completed, the Jews from Asia who had seen him in the temple [courts] stirred up the whole crowd and laid hands on him,