Make reported speech 1) she says:"I invented this machine" 2 ) He asked Why are you smiling ? 3)She said I haven't watched it yet 4 ) He says W

1) She says that she invented this machine.  2 ) He asked me why I was smiling.  3) She said that she had not watched it yet.  4 ) He says that they always take part in this competition.  5) They ask if I want to compete with them.