Tila - Root Word, lick
Magpatila - To get licked
Patila - To lick
Nagpatila - Got Licked
Tilai - the letter "I" modifies the word so that it would mean "Lick Me" (First Person), or "Lick It/That/etc" for the third person
Tilaan - "An" modifies the word to make it a Transitive Verb (see example below) for the third person
Gitilaan - past tense of Tilaan in the active voice.
Patila ko sa imong bilat. - I want to lick your pussy.
Nagpatila ko sa akong uyab kaganina. - I had my girlfriend licked me.
Tilai ko be! - Lick Me!
Tilaan nako ka karon. - I'm going to lick you.