How to use "Enquire"

Enquire

👉ask for information from someone:[no object] :he enquired aboutcottages for sale[with clause] :I enquired where he lived[with direct speech] :‘How well do you know Berlin?’ he enquired of Hencke• [no object] 

👉(enquire after) ask about the health and well-being of (someone):Angus enquired after her parents• [no object] 

👉(enquire for) ask to see or speak to (someone):that was Mr Paul enquiring for you—I told him he couldn't come in2 [no object] 

👉(enquire into) investigate; look into:the task of political sociology is to enquire into the causes of political events

Thank you