Эти предложения нужно поставить в пассивном залоге
The boy is bringing a book to school now.
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The mother buys friuts often.
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She has fed a bay today.
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The boys were receniving gifts yesterday at the party.
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He will put presents ander the New Year tree.
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The children made a snowman yesterday

a book is being brought to school by the boy nowfruits are often bought by mothera bay have been fed today by hergifts were being received by the boys  yesterday at the partypresents will be put by him ander the New Year treea snowman was made by the  children yesterday