What kind of phrases would you use in a formal letter to thank someone?
"Thank you for your time" or "I appreciate your help."
How do we greet someone in a formal email?
"Dear Sir/Madam" or "Dear Mr. Brown"
How would you end the letter without saying "Goodbye"?
"Yours sincerely," or "Kind regards"
Do we say "How are you?" in formal letters?
No, these kind of phrases usually are written in informal letters
How would you express your purpose of writing?
"I am writing you to.."