RULES:
https://www.ego4u.com/en/cram-up/writing
training:
http://www.englishrevealed.co.uk/pet.php
https://learnenglishteens.britishcouncil.org/
https://www.examenglish.com/PET/PET_writing.htm
https://www.examenglish.com/FCE/?gclid=CjwKCAiAjNjgBRAgEiwAGLlf2ikTlzAD6GxzPeh93aE1xcGA9oPgFssP92ie31oJroIMaQoDedq3_hoCEysQAvD_BwE
https://www.quia.com/quiz/3652860.html?AP_rand=1201158719
https://www.englishexercises.org/buscador/buscar.asp?nivel=any&age=0&contents=paraphrasing
https://www.englisch-hilfen.de/en/exercises/school/paraphrasing.htm
https://owl.excelsior.edu/research/drafting-and-integrating/drafting-and-integrating-paraphrasing-activity/
https://www.englishrevealed.co.uk/pet.php