had left; had departed, was out; was visible
メアリーがバス停に着いたときは最終バスはすでに出ていた。
By the time Mary arrived at the bus stop, the last bus had already left.
まもなく我々は町を出ていた。
Before long, we had left the town.
私たちが駅に着いたときには、列車はすでに出ていた。
By the time we arrived at the station, the train had already left.
私が駅に着いたときはすでに電車は出ていた。
By the time I arrived at the station, the train had already left.
シャドウズ号は二つの島を巡る図書館航路に出ていた。
The Shadows was sailing a library route that stopped at two islands.
バス停に着いた時、バスはすでに出ていた。
When I arrived at the bus stop, the bus had already left.
公園には大勢の人が出ていた。
There were a lot of people out in the park.
その晩は月が出ていた。
The moon was out that night.
その夜、空には雲がいっぱい出ていた。
That night, the sky was full of clouds.
陽は出ていたけれど、寒かった。
The sun was out, but it was cold.
空に星は出ていた?
Were there any stars in the sky?