Multiple choice

Directions: Change the voice of the given sentence.

Infect the world with our ill-humours.

  1. The world is infected with our ill-humours.

  2. The world was infected with our ill-humours.

  3. The world has been infected with our ill-humours.

  4. The world has been infected by our ill-humours.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

While changing the voice, we interchange the respective places of the subject and the object. In passive voice, we always use the third form of the verb with the helping verb. Case of past simple tense. In such cases, we use 'is/are' with the third form of the verb.