1. 1) has broken
2) has been written
3) has been translated
4) has explained
5) have learnt
6) has been built
2. 1) I have just bought a newspaper.
2) The TV has been turned off.
3) He has already answered the question.
4) The words have just been written on the board.
5) We have already talked about it.
6) All the answers have already been given.
7) It has just been said on the radio.
8) I have already seen this film.
9) I have been told nothing about it.
10) All the sentences have already been written.
