Japanese phrase
一緒に行きましょうか？ is sho ni i ki ma shō ka
Meaning
Would you like to go together?
When to use it
Suggests going somewhere together. It sounds polite and considerate, while leaving the other person free to accept or decline.
Example dialogue
駅まで一緒に行きましょうか？ eki ma de is sho ni i ki ma shō ka
Would you like to go to the station together?
はい、お願いします。 ha i o nega i shi ma su
Yes, please.