get along with
Inseparable
Have a friendly relationship with someone
She gets along with everyone in her class.
Usage
Used on both sides of the Atlantic, but more typical of American English.
Inseparable
The object always comes after the particle, even when it is a pronoun: look after the children, look after them.
Practise it
Add it to your daily practice or see every verb with up.
Further reading: get along with on Wiktionary (CC BY-SA).