Question

All preparations for the annual celebration would have been completed by Monday. (Change the voice)

Answer 1

Empty Subject Passive Structure

The correct change of the voice of the given sentence is given below:

They will have completed all preparations for the annual celebrations by Monday.

 

Explanation

The given sentence was an empty subject passive structure. An empty subject passive structure in active-passive voice is a sentence that is passive but the subject is missing. While converting it into active we have to provide the subject from our side. This sentence is already passive. So we will provide the subject ‘They’ from our side.

Answer 2

The given sentence is in the active voice. The passive voice is a grammatical construction in which the noun or the noun phrase that would be the object of an active sentence appears as the subject of a sentence or clause.

When it is changed into passive voice, the sentence becomes -

1. By Monday, the preparations for the annual celebrations will be completed.

or 

2. Monday will be the day when all the preparations for the annual celebrations would be completed.

'Would be' can also be replaced with 'shall be'.