Writing in a foreign language is a demanding task, and students should therefore be thoroughly prepared for it. They may be given vocabulary and expressions to study in advance, . but this is of limited usefulness. Reading a story on which their narrations will focus will reap more benefits. Since language learning is based on imitation, reading is a prerequisite to writing.
Lebugle, Andre, "FLARR Pages #29: Writing at the Intermediate and Advanced Levels" (2002). FLARR Pages. 17.