Formal:
* "Aunty Sarah baked us a delicious cake for our birthday."
* "I asked Aunty Mary for advice on choosing a college."
Informal:
* "Aunty, can you pass me the salt?"
* "I spent the whole day with my aunty and cousins."
* "Aunty always has the best stories."
* "We're going to visit my aunty next week."
Remember: The use of "aunty" can vary depending on cultural context and personal preference. In some cultures, it's considered more formal to use "aunt" while in others, "aunty" is more common.