The word "switch" means to change an object or a situation. The change usually occurs between two things or two people:
Jeremy switched hours with a coworker. He took her hours, and she took his.
Maria switched cars with her husband. She took his car, and he took hers.
Can we switch places? (I’m asking to take your position or place, and you take mine.)
Switch places with me.
Let’s switch. (Let’s exchange something.)
We needed to switch classrooms because there was flooding in the one we normally use.
Switch on the light. (Turn the light on from the "off" position.)
The word "switch" is also a noun. Switches are used for turning things on and off. This is what a switch looks like:
Hit the switch.
Can you hit the switch, please?
Where’s the switch for the lamp?
Do you know how to fix a light switch?
Is there a switch on your computer or a power button?
The switch is in the "on" position.
A switch can also be a change:
We needed to make a switch.
That was an interesting switch.
They made the old switcheroo at work and changed cubicles. (To "make the old switcheroo" is a playful expression that you’ll hear occasionally in spoken English.)
