Question

active and possive voice structure​

Answer 1

active voice and passive voice structures in active and passive voice simple present tense is changed into simple past tense present continuous is changed into past continuous and present perfect is changed into past perfect and simple past is changed into past perfect and past continuous and past perfect are same in passive voice.

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Answer 2

$\bf Active \: Voice \: Structure :$

$\boxed{ \bf \:Sub + Verb + Obj}$

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$\bf \: Passive \: Voice \: Structure :$

$\boxed{ \bf \: Obj + Verb + By + Sub}$