This book, written in 1962, is a favorite story for kids all over the US. It won the Caldecott Award, which means it was the chosen as the best picture book of the year. In 1962, it would have been OK to have a snowball fight. It would have been soft snow, but today it is not allowed to throw snowballs at other students (so don't do it!). 

This book is written in the past tense and has loads of words related to winter.
winter - talvi
snowsuit - toppapuku
pile - kasata
drag - vetää
track - jälki
smack - hakata
snowball fight - lumisota
snowman - lumiukko
(snow) angels - lumienkeli
melt - sulattaa

Choose 10 irregular verbs from the story and write their basic forms. (woke up, had fallen, could, put, ran, sank, was, fell, thought, knew, made, slid, went, told, took, got, felt, slept, gone)