A sentence has been given in Active/Passive Voice. Out of the fiveĀ alternatives suggested, select the one which best expresses the same sentence in Passive/Active Voice.
The new professor has changed a lot of things in the college.
1
A lot of things in the college are being changed by the new professor.
2
A lot of things in the college changed by the new professor
3
A lot of things in the college were changed by the new professor.
4
A lot of things in the college have been changed by the new professor.
5
A lot of things in the college had been changed by the new professor.