Question

the teacher was teaching an interesting lesson passive voice​

Answer 1

Answer:

An interesting lesson was been taught by the teacher.

Explanation:

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Answer 2

Hope you get your answer..

$\tt \green {question \: is :the \: teacher \: was \: teaching \: an \: interesting \: lesson \: passive \: voice} \\ \tt \blue{required \: answer \: is : an \: interesting \:lesson \: was \: been \: taught \: by \: the \: teacher }$