The phrase "change of roles" is correct and usable in written English.
You can use it to refer to two people or groups taking on different roles in a given situation. For example, "We saw a change of roles when the teacher became a student and the student became the teacher."
"There has absolutely been no suggestion of my role in the company changing beyond the change of roles that took place as per my contract in January".
"The change of roles reflects the way I have grown up, the way my career has developed.
There is the way Maryna's abrupt change of roles stands for the changes ordinary 19th-century women may have wanted to make but couldn't.
There was a change of roles back in November and there have been ongoing conversations to try and make things work better.
WASHINGTON — A HISTORIC change of roles is at the heart of the clamor and turmoil over the collapse of oil prices, which have plummeted by 50percentt since September.
But with the change of roles agreed to recently, with Mr. Putin returning to the presidency next spring and Mr. Medvedev reverting to prime minister, the mood in Berlin is far from ebullient.
Then, in a complete change of role, he became the salaried, sometimes controversial chairman of the parole board.
I understand that Williams, who has been with the mag for the best part of 15 years, is happy with his change of role, believing that it plays to his strengths as analyst of data.
Seek to understand their circumstances, support them in what they can and can't do and make sure volunteers know about the whole range of volunteering opportunities – a change of role may suit them and you.
Things changed last season when Ferguson persuaded the Dutch striker Robin van Persie to lead the attack, which meant a change of role, and a change of status, for the highest-paid player on the club, Rooney.
A change of role for Moussa Dembele who will drop back alongside Eric Dier.
