pronoun
1
BAD : Dear Mary ... Yours faithfully ...
GOOD : Dear Mary ... Yours/With love/With best wishes ...
BAD : Dear John, ... Yours sincerely ...
GOOD : Dear John, ... Yours/With love/With best wishes ...
◆◆◆
Yours faithfully and Yours sincerely are used only in formal letters.
At the end of a letter to a friend or relative, use Yours, With love, With best wishes, etc.
2
BAD : Dear Sir, ... Yours,
GOOD : Dear Sir, ... Yours faithfully,
◆◆◆
When a formal letter begins with Dear Sir or Dear Madam , it usually ends with Yours faithfully .