Grammar fix

set limits

define boundaries

to decide and make clear what is allowed or acceptable, especially to control behavior or use of something

collocationB1common

Hear it in context

Notice where the phrase sounds natural.

Parents need to set limits on how much time their children spend online.family
In my opinion, it is important for schools to set limits on the use of mobile phones during class to help students concentrate.IELTS speaking

Pattern: set limits (on/to something)

WrongParents should put limits to screen time.

RightParents should set limits on screen time.

You SET limits ON something, not 'put limits to'.

Patternset limits (on/to something)

Choose the version that sounds natural in speech.

Stiff It is necessary to establish clearly defined parameters of acceptable behaviour.

Natural You've got to set limits.

Natural; 'establish clearly defined parameters' is policy language.

Words that usually travel with it.

Not the same as 'break limits', which means to go beyond what is allowed.