Question

change these interrogative sentences to the passive voice. 1.have you informed your teacher about your sudden illness

Answer 1

Heya!!!

Answer to your question:

♡Has your teacher been informed by you about your sudden illness?

You can skip writing 'by you' here.

Hope it helps ^_^

Answer 2

$<b ><u >$ Answer :- Has your teacher been informed by you about your sudden illness?

Or,

Has your teacher been informed about your sudden illness by you?

$\huge {Be \:Brainly}$ ❤️✌