by subway
Tu querías irte en metro, y él quiso llevarte.
You wanted to go by subway, and he wanted to take you.
They went by subway.
Voy a la oficina en metro cuando llueve y no puedo caminar.
I go to the office by subway when it rains and I can't walk.
I go to school by subway.
Ella nunca había viajado en metro.
She had never traveled by subway before.
No sé si Mary viene en metro o en autobús.
I don't know whether Mary is coming by subway or by bus.
¿Vas en autobús, en tren o en metro?
Are you going by bus, train, or subway?