Change into passive form .
Respect your elders.
AYou elders should respected.
BYour elders should be respected.
CYour elders could be respected.
DYou elders should respected.
Change into passive form .
Respect your elders.
AYou elders should respected.
BYour elders should be respected.
CYour elders could be respected.
DYou elders should respected.
Related Questions:
The Passive Voice of :-
The news alarmed the officiers.