1You will invite her to your party -> She will be invited to your party.
2 Do they teach Enlish here? -> Is English taught here ?
3 Lan reads a book story after dinner -> A book story is read by Lan after dinner
4 He will send his parents a package -> His parents will be sent a package
5 You must write these music lessons in ink -> These music lessons must be written in ink.
6 We saw our friends outside the living -room -> Our friends were seen outside the living -room.
7 How long have they waited for the doctor? -> How long has the doctor been waited for?