In a formal way on the social occasion, the Japanese will bow to each other. Men keep their hands at the sides and women keep their hands on the front. During the conversation, they nod their heads to show agreement. If you are talking to the elder or people in the higher positions, they will usually add [sensei] show the respect. [san] is the same as Mr. or Ms.

Yes [hai]

No [iie]

Please [dozo] when offering something

Please [onegai shimasu] when asking for something

Thank you [arigato gozaimasu]

Good morning [ohayo gozaimasu]

Good afternoon [Konnichiwa]

Goodbye [Sayonara]