dialog percakapan informal dan formal bahasa inggris

Answer:
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=> formal
Student :"excuse me,Sir. May i come in?

Teacher :"yes,Please. What can I do for you?

Student:"Would you like to forgive for all my faults.

Teacher:"of course. The most important thing , you have realized that all you have done is wrong.

Student:"Thank you very much,Sir.

Teacher : "You are welcome
______________________
=> Informal
Elsa:" Can you come to my house?

Helen: for what,Elsa?

Elsa:"Just wasting time together and having dinner at my house.

Helen:"sorry,Elsa. I am busy. May be next time, Ok.

Elsa:"Hmm.., ok Helen.

*Thanks*