Grammar fix

set an example

be a model for others

to behave in a way that shows others how they should act, especially to encourage good behavior or habits.

collocationB1common

Hear it in context

Notice where the phrase sounds natural.

Parents should set an example for their children by being honest and respectful.daily life
In my opinion, teachers need to set an example for students by arriving on time and being well-prepared.IELTS speaking

Pattern: set an example (for/to someone)

WrongTeachers should give an example to students.

RightTeachers should set an example for students.

'Set an example' = be a role model; 'give an example' = illustrate with an instance.

Patternset an example (for/to someone)

Choose the version that sounds natural in speech.

Stiff Parents ought to provide a model of conduct for their children to emulate.

Natural Parents should set an example for their kids.

Natural; 'provide a model of conduct to emulate' is formal.

Words that usually travel with it.

'Set an example' is positive, showing good behavior. 'Make an example of' is usually negative, meaning to punish someone as a warning.