Active & Passive

Untuk bisa menguasai pembentukan kalimat passive, hal yang mutlak harus dikuasai adalah pembentukan kalimat aktif dalam 16 tenses, baik kalimat positive, negative ataupun interrogative.

Tenses		Active Voice
	Present	S + Verb1+ Object
Simple	Past	S + Verb2+ Object
	Future	S + will/shall +Verb1+ Object
	Present	S + (is,am,are) Verb1+(ing)+ Object
Cont	Past	S + (was, were) Verb1+(ing) Object
	Future	S + will/shall + be+Verb1(ing)+ Obj
	Present	S + have/has Verb-3+ Object
Perfect	Past	S + had +Verb3+ Object
	Future	S + will/shall +have+Verb3+ Object

		Pasive Voice
	Present	S + (Is,am,are) + verb-3 + (By + Object)
Simple	Past	S + (was,were) + verb-3 + (By + Object)
	Future	S + will/shall+be+ verb-3 + (By + Object)
	Present	S+(Is,am,are) + being +verb-3 +(by +Obj)
Cont	Past	S+(was,were) + being +verb-3 +(by +Obj)
	Future	S +will/shall +be+ verb-3 + (By + Object)
	Present	S + have/has+ been +verb3 + (By + Object)
Perfect	Past	S + had+ been + verb-3 + (By + Object)
	Future	S + will +have+been+verb3 +(By+Obj)