Трансформируйте действительный залог в страдательный. 1) they bought me a nice present for bithday.2) our mother usually invites mane relatives to the party.3) she will learn the words to the next lesson.

1.A nice present was bought for me by them for birthday.
2.Many relatives are usually invited by our mother .
3.The words will be learnt by her to the next lesson .