Change the following in passive voice :--
a)Please open the door
b)Take proper rest
c)We will play cricket
d)Parul has forgotten her name 
e)Respect your elders

Solution:
a. Let the door be opened, please.
b.Proper rest should be taken
c. Cricket will be played by us.
d. The name has been forgotten by Parul.
e. Elders should be respected.