Turn off the lights when you leave a room.

Meaning: This means to stop the operation of devices that produce artificial light at the time that you go away from a place.

Choice of Words: Turn off means to stop the operation of something. Lights are devices that produce artificial light. When means at the time that. Leave means to go away from a place.

Alternative Expressions

Make the lights dark when you go out of a room.

Meaning: This sentence is another way of saying "Turn off the lights when you leave a room." It means to make the lights stop working or being active when you are leaving a room.

Choice of Words: Make means to cause something to happen or exist. Dark means having little or no light. Lights are sources of illumination, such as lamps or bulbs. When is a conjunction used to indicate the time or occasion of something. Go means to move or travel somewhere. Out means to move from the inside to the outside of something. Room is a space within a building that is separated from other spaces by walls, doors, or windows.

Remember to switch the lights to off mode before exiting a room.

Meaning: This sentence is a more formal way of saying "Turn off the lights when you leave a room." It means to keep in mind to change the lights to the off state before you go out of a room.

Choice of Words: Remember means to keep something in mind. Switch means to change something from one state to another. Lights are sources of illumination, such as lamps or bulbs. To is a preposition used to indicate the direction or purpose of something. Off means to stop something from working or being active. Mode means a particular setting or condition. Before is a preposition used to indicate the time or order of something. Exiting means to go out of a place. Room is a space within a building that is separated from other spaces by walls, doors, or windows.

Related Expressions