We must have a new supply of forms.
Yōshi o hojūshinakerebanaranai.
blank form; sheets of paper; sheet of paper
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
supplementation; supplement; replenishment; replenishing; replacement; refilling; to replace; to refill; to replenish