A sentence has been given in Active/ Passive Voice. Out of the four alternatives suggested, select one which best expresses the same sentence in Passive/Active Voice.
Phoebe was reading a very interesting book.
1
A very interesting book is being read by Phoebe.
2
A very interesting book was being read by Phoebe.
3
Very interesting books were being read by Phoebe.
4
A very interesting book should have been read by Phoebe.