Grammar fix

set priorities

choose importance

to decide which things are the most important and should be done or dealt with first.

collocationB1common

Hear it in context

Notice where the phrase sounds natural.

When you have a lot to do, it's important to set priorities so you don't feel overwhelmed.daily life
In my opinion, students should learn how to set priorities because it helps them manage their time better and reduces stress.IELTS speaking

Pattern: set priorities (for something)

WrongShe has to set her priority straight.

RightShe has to get her priorities straight. / set her priorities.

Usually plural 'priorities'; the idiom for sorting them out is 'get your priorities straight'.

Patternset priorities (for something)

Choose the version that sounds natural in speech.

Stiff One must determine the relative importance of competing tasks.

Natural You need to set your priorities.

Natural; 'determine the relative importance of competing tasks' is consultant-speak.

Words that usually travel with it.

Not the same as 'set goals,' which means deciding what you want to achieve, not which things are most important.