Перевести Active voice в Passive voice 1. Children spent summer holiday at a camp last year. 2. We gather mushrooms in the forest every autumn. 3. The pupils will write a composition next week.

Summer holiday was spent by children at a camp last year

mushrooms are gathered by us in the forest every autumn

a composition will be wrote by children next week

в последнем не уверена, но в целом кажется верно.