But I have heard conductors come in and balance that.

The conductor came and unlocked the door for them with his key.

The conductor came by with a radio pressed to his ears.

The conductor came along and told him that smoking was not permitted.

The conductor came into the car in which Lee was riding.

But the conductor will come and examine it when the train is ready to start.

Jeffrey looked up as a conductor came through the car.

The door suddenly flew open and the conductor came into their compartment.

Just then, the conductor comes asking the passengers for tickets.

While they were talking, the conductor had come out of No. 7.