Помогите очень надо ! определите в каждом из них
видовременную форму и залог глагола-сказуемого.

When
returning the goods she was asked to produce a credit note

International
fairs and exhibitions are held in our country and abroad


Had the
necessary instructions been given to Mr. Brown before he left for the airport?

When returning the goods she was asked to produce a credit note (Past Simple Passive)
International fairs and exhibitions are held in our country and abroad (Present Simple Passive)
Had the necessary instructions been given (Past Perfect Passive) to Mr. Brown before he left (Past Simple Active) for the airport?

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