It can be used in various contexts:
* As part of a verb phrase:
* "Estoy haciendo la tarea" - I am doing the homework
* "Estamos haciendo una fiesta" - We are throwing a party
* As a gerund:
* "Haciendo ejercicio es bueno para la salud" - Exercising is good for your health
* In some idiomatic expressions:
* "Hacerse el loco" - To play dumb
* "Hacerse el interesante" - To try to be interesting
Note: The "d" in "haciendo" is pronounced as a soft "th" sound, similar to the English word "then".