ます as volitional

To make ます into the volitional form, replace the す ending with しょう.¹

Example

たべます (eat (polite)) → たべましょう (lets eat (polite))

Info

ます is transformed by removing the す　ending. しょう is then added to make it into the volitional form.

Footnotes

1. Japanese from Scratch (7.5) ↩