Read the theory boxes. Which of the extracts 1-6 are from informal and which from semi- formal letters? How do you know?
Informal & semi-formal letters/emails
We normally write informal (friendly) letters or emails to close relatives, friends, people of our own age or other people we know well. We write semi-formal letters or emails to people we do not know very well or when we want to be more polite and respectful a friend's parents, a teacher etc.
Semi-formal writing is characterised by a more polite tone than informal. It uses less colloquial language Thank you very much for your letter (NOT: Thanks a lot for your letter), and fewer short forms (I'll, can't), phrasal verbs (get on, settle in) & idioms Telephone me if I can help you with ... (NOT: Give mo a ring if you need a hand with...)