Question

spare no efforts in completeing this assignment change into passive ​

Answer 1

Active Voice refers to a sentence in which the subject is performing the action.

Passive Voice refers to a sentence in which the subject undergoes the action. In other words, it is writing the sentence in reverse order.

Example: She is signing the document. (Active)

              The document is being signed by her. (Passive)

NOTE: Sentences that convey habitual actions cannot be changed to passive mode.

Spare no efforts in completing this assignment. (Active)

Let no efforts be spared in completing this assignment. (Passive)

Hope this helps U :D