i can help
if anything sounds like you can put "was ----ing" or "was" (etais/etait/etc) in there it's imparfait
if it's like "i sold" "i ate" "i made" then it's p.c.
so..... the first sentence basically says "when i was at school, i went to school every day." the etre will be imp. and the aller will be p.c.