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Greeting
6 am
you say GOOD MORNING! when you get up or arrive to school in the morning. -
Greeting
you say HI! or HELLO! to greet at any time of the day. -
Greeting
2 pm
you say GOOD AFTERNNOON! to greet after midday. -
Farewell
you say GOODBYE! or BYE! at any time of the day when you leave. -
Greeting
6 pm
you say GOOD EVENING! to greet after 6 pm. -
Farewell
9 pm
you say GOOD NIGHT! when you go to bed. -