In the morning, when you meet your family or friends, you say "Ohayō gozaimasu".
At noon it is "Konnichiwa", and in the evening "Konbanwa".
Before a meal you say "Itadakimasu", and after eating you say "Gochisōsama deshita".
出典: Kanjiyo biên soạn
Asking prices, buying and paying - four phrases you can use right away.
A short chat about the weather - the classic Japanese conversation starter.
A standard self-introduction: name, country, studies, family and hobbies.