It is acknowledged that Michael Jackson is a "king of pop".
or
Michael Jackson is acknowledged to be a "king of pop"
Michael Jackson jest uznawany za "króla popu".
It is believed that his charity single "We are the World", released to aid the poor, is one of the best-selling singles of all time.
or
His charity single "We are the World", released to aid the poor, is believed to be one of the best-selling singles of all time.
Jego charytatywny singiel "We are the World", wydany aby pomóc biednym, jest uważany za jeden z najlepiej sprzedających się singli wszechczasów.
