Object + be + past participle ( by + subject )
L
Object + _____+______+_________(by + subject)
K
Be +_________+___________+ (by + subject)
K
____+_____+_______+__________ +( by + subject)
J
____+_____+_______+__________ +( by + subject)
J
Is it always important to know who the doer (subject) of an action is? Yes/ No