The word "go" is correct and usable in written English. You can use it as a verb when describing an action, as a command/instruction, or as an exclamation. Example: "Go get your shoes on; it's time to go to the soccer game!".
What could possibly go wrong?
After all, you just go to an emergency room".
Go now.
Go on.
What could go wrong?
I don't want that but how else are fans going to learn not to go on the pitch?
They needed coal, they needed oil, we can go on and on about oil, but if there wasn't any, what would happen?
Thanks to Ludwig my first paper got accepted! The editor wrote me that my manuscript was well-written
Listya Utami K.
PhD Student in Biology, Bandung Institute of Technology, Indonesia