Question

A telegram has been received that my brother is safe in active voice

Answer 1

Hey friend,

Here is your answer,
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A telegram has been received by my brother is safe.      {Passive voice}

While converting into active voice from passive voice the subject should be doing the work. And the words like be,being,was,were are removed.

My brother received a telegram which is safe with him.    
                                                                                             {Active Voice}
______________________________________________________________

Hope this helped you !!

Answer 2

Answer:

I received an e-mail that my brother is safe