masu/ます & masen/ません : How and when to use it

masu/ます & masen/ません : How and when to use it

What is the masu/ます & masen/ません ? masu/ます and masen/ません are an auxiliary verb, which are used to show politeness in Japanese. Japanese people use them in the business scene or when they talk to strangers or people who seem older than they are. The difference...