Пожалуйста!!!помогите

Passive voice
She (ask) to come here tomorrow,too
Flowers (sell) in the shops
Your repost must (to divide) into two chapters
The mobile phone must(not to use) at the lesson
The young man (to introduse) to me only a couple of hours ago,but it seems to me that i have known hom for years

She will be asked to come here tomorrow,too.Flowers are sold in the shops.Your report must be divided into two chapters.The mobile phone must not be used  at the lesson.The young man was  introduced  to me only a couple of hours ago, but it seems to me that I've known him for years.