The phrase "forgot to come" is grammatically correct and can be used in written English.
It is typically used in sentences where the subject forgets or fails to do something that they were supposed to do. Here is an example sentence: "I'm sorry I missed the meeting, I completely forgot to come."
Their fathers sometimes forgot to come to games.
After a few minutes he got so mad at the violin section for its phrasing he rushed out to correct the situation & forgot to come back.
"I do business development when I want, I do client meetings when I need to and if I forgot to come home for my daughter's swim meet, I just come home without stressing about what it's going to cost.
"All we wanted to do is get out of town," Starkweather wrote his parents from his jail cell, sounding like any other restless kid who went out for a drive on a Saturday night and forgot to come home.
Early in the special, she gets laughs with jokes about a dimwitted, homophobic man at a bus stop and the time she "forgot" to come out to her grandmother.
She imagines many explanations for his failure to appear, but the most crushing is the one that would be most heartening for him: "He's got a girlfriend, she suddenly thought, that's it, that's why he forgot to come and forgot to let me know: he's found himself a girl at last, so he has no reason to come and see me anymore.
Don't forget to come back tomorrow to find out who has scooped the prize for chemistry.
Some people expressed concern that when the novelty of the museum wore off, people would forget to come back.
"If they're out of production for two months, people who buy tomatoes will go somewhere else, and maybe they will forget to come back".
He asked me to make sure that the nurses didn't forget to come and give him his anxiety medication before they left for the night.
