Examples of using It is useful in English and their translations into Polish
{-}
- 
                        Colloquial
                    
 - 
                        Official
                    
 - 
                        Medicine
                    
 - 
                        Ecclesiastic
                    
 - 
                        Ecclesiastic
                    
 - 
                        Financial
                    
 - 
                        Official/political
                    
 - 
                        Programming
                    
 - 
                        Computer
                    
 
The concept of"love" exists, therefore it is useful even if it is  a human construct.
only for the services where it is useful.
At home it is useful and effective to make baths, compresses, ointments.
I think, it is useful to see this difference.
It is useful post-surgery. It is  dangerous as a support for everyday life.
It is useful.
It is useful to temporarily reduce the loaded library set.
It is useful when shooting moving subjects.
It is useful in flatulence, colic,
It is useful in high blood pressure,
It is useful if the image is  smaller than the window.
It is useful tools for file management,
During pregnancy, it is useful in the fight against mood swings.
It is useful for partly unlit spaces such as the inside of engines.
It is useful for comparing investments.
It is useful in the prophylaxis and elimination of oedema following breast cancer surgery.
It is useful tools for file management,
It is useful if you are  looking for something specific.
In all storyboard activities, it is useful if the student already knows their conjugations.