1.
If you ~ to a new system or way of doing something, you change to it.
The government is having to introduce some difficult changes, particularly in moving over to a market economy.
= change
PHRASAL VERB: V P to n, also V P
2.
If someone moves over, they leave their job or position in order to let someone else have it.
They said Mr Jenkins should make balanced programmes about the Black community or ~ and let someone else who can.
PHRASAL VERB: V P
3.
If you ~, you change your position in order to make room for someone else.
Move over and let me drive.
PHRASAL VERB: V P