Question

7. Образуйте 3 формы от следующих глаголов:
to direct, to provide, to undertake, to treat, to operate, to judge, to apply, to raise, to buy, to sell, to own, to offer, to give, to prepare, to change, to depend, to set, to engage, to control, to mean, to embrace, to define

Answer 1

undertake, undertook, undertaken
buy, bought, bought
sell, sold, sold
give, gave, given
set, set, set
mean, meant, meant

Остальные глаголы - правильные, заканчиваются на -ed.