The word for is a preposition, and for me is a prepositional phrase. We use the pronoun me as the object of the preposition. It always happens for me.
Mom cooked a nice dinner for me.
Dad built the ping pong table for me.
Tim said he would sing a song for me.
Even if we include someone along with me, it still happens for me.
Mom cooked a nice dinner for John and me.
Dad built the ping pong table for my brother and me.
Tim said he would sing a song for Janice and me.
Always use the pronoun me in a prepositional phrase that begins with for. it gets done for me.
▶It’s your turn. Which of these sentences shows the correct use of a pronoun in a prepositional phrase? Jim did the chores for Betty and me. Jim did the chores for Betty and I. I hope you picked the sentence that includes for me.