@EvanEsteban2 and @FilipinoChatAdmin :-)
I agree with naka+pandiwa then add "na".
Sometimes it's just na+pandiwa then add "na".
Using @FilipinoChatAdmin's examples:
1.) John has cooked a turkey. = Nakaluto na ng karne ng pabo si John (or Juan, hahaha!)
2.) Bob has eaten the food. = Nakain na ni Bob and pagkain.
3.) Mom has cooked some food. = Nakaluto na si Inay ng pagkain.
Some more examples:
1.) Have you tried balut? = Nakatikim ka na ba ng balut?
2.) I've seen that Vice Ganda movie. = Napanood ko na ang pelikulang iyan ni Vice Ganda.
3.) I've never been to Enchanted Kingdom (true story, hehe!) = Hindi pa ako nakarating sa Enchanted Kingdom.