Direction: Select the option that is the (Active/passive) form of the given sentence.
Doctors are constantly monitoring the condition of the patient.

Options

A. The condition of the patient has been constantly monitored by the doctors
B. The condition of the patient is being constantly monitored by the doctors.
C. The condition of doctors is being constantly monitored by the patient.
D. The condition of the patient is constantly monitored by the doctors.

Explanation

(b) The condition of the patient is being constantly monitored by the doctors. (Correct) (a) The condition of the patient has been constantly monitored by the doctors. (Tense has changed) (c) The condition of doctors is being constantly monitored by the patient . (Incorrect Subject and Incorrect Object) (d) The condition of the patient is constantly monitored by the doctors. (Tense has changed)