Flo-Joe for PET (Preliminary English Test) - In the Part 3 Writing task you have the choice of writing an informal letter. Using contractions like 'I'm' instead of 'I am' or 'she's'
WRITING A STORY FOR CAMBRIDGE B1 PRELIMINARY (PET) [methodology] - ESL worksheet by niksailor
PET Writing Part 2 and Part 3
PET Writing Part 3 – A Story | Views from the Whiteboard
Writing the Perfect Email for B1 Preliminary (PET) | KSE Academy®