Question

we shall have finished our work by March text change into passive voice​

Answer 1

Question : We shall have finished our work by March. (Change into passive voice)

Active voice rule :

Subject + shall / will + have + verb (Past Participle form) + object

Passive voice rule :

Object + shall / will + have been + verb (Past Participle form) + by + subject + others

Answer :

" Our work will have been completed by us by March. "

Answer 2

We shall have completed our paintings via way of means of March.( Active voice)

This sentence is in Future perfect tense.

Active voice rule for  Future perfect tense  :

Subject + shall / will + have + verb (Past Participle form) + item

Passive voice rule  Future perfect tense :

Object + shall / will + had been + verb (Past Participle form) + via way of means of + subject + other

so the sentence after converted in passive voice is -

" Our paintings will had been finished via way of means of us via way of means of March. "

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