go in
phr. v..phr. v.. to enter a building, room, or other enclosed space.
phr. v.. to enter a structure or enclosed area; typically used as an intransitive verb of motion.
It is starting to rain, so let's go in.
The door is open, so you can go in and wait for the doctor in the lobby.
The rescue team waited for the smoke to clear before they decided it was safe to go in and search for survivors.
usually used without an object; if an object is used, 'into' is required instead.
contrast with 'come in' to show the difference in perspective: 'go in' moves away from the speaker, while 'come in' moves toward the speaker.
I want to go in the house.I want to go into the house.use 'go in' alone as an adverbial phrase, but use 'go into' when followed by a specific destination.