What polite language should I say when I meet my elders?

Say "hello" when you meet someone, ask their last name, say "your last name" and ask their address to say "your home"

I admire you for a long time, but I haven't seen you for a long time. Ask for help and say "I'm sorry"

Ask someone to say "excuse me", ask someone to help you say "excuse me" and ask someone to answer "consult"

Say "please" for help, "excuse me" for others, and "excuse me" for convenience.

Please change the article to say "correct", accept goodwill, say "appreciate", ask for advice and say "teach"

Say "thank you" when you get help, wish people health, say "take care", congratulate people and say "congratulations"

When old people visit others, they say that "old" means being unwell, "in poor health" and "visiting".

Please accept "take it", send photos to people, say "save", welcome to buy, and say "patronize"

I hope to take care of "care" and praise people's opinions, say "high opinions" and return to the project, and say "return"

Invite someone to an appointment and say "pleasure". The other person will write to say "thank you" and "my humble abode".

It is not enough to say "consider", but to say "sorry", to make people understand and to say "forgive"

Improper words and deeds "sorry" condolences to others "hard work" greeting guests and saying "welcome"

The guests came and said "come" and waited for others to say "welcome", but didn't say "failed to meet"

Guests sit down and say "please sit down", accompany friends to say "company" and leave to say "goodbye".

Go first in the middle and say "I'm sorry". Please don't send someone away, say "stay" and send someone away and say "peace".