Formal alternatives to about
Q1. ___ your enquiry, we are investigating
REGARDING is formal and appropriate for business correspondence. Enquiries receive attention.
Q2. I have news ___ John
ABOUT is the most natural in informal contexts. News travels. John is discussed.
Q3. ___ the incident, no further action is required
CONCERNING is formal and appropriate for official matters. Incidents are closed. Files may be archived.
Q4. She wrote a report ___ climate change
ABOUT is natural for general topics. Climate change is the subject. Reports inform.
Q5. Which sentence is correct?
All are acceptable. REGARDING and CONCERNING are more formal. ABOUT is more casual. Questions receive answers.