Active and Passive Voice

	Active voice	Example Sentence	Passive Voice	Example sentence
present tense	S + V1  + O	Andi writes a letter	S + Tobe (is or are) + V3 + O	A letter is wrritten by Andi
		I paint some houses		some houses are painted by me
Past tense	S + V2 + O	Andi wrote a letter	S + Tobe (was or were) + V3+ O	A letter was wrritten by Andi
		I  painted some houses		some houses were painted by me
present continuous	S + Tobe (is or are) V1 + ing + O	Andi is writing a latter	S + Tobe (is or are) + being + V3+ O	A letter is being wrritten by Andi
		I am painting some houses		some houses are being painted by me
past continuous	S + Tobe (was or were) + V1 + ing + O	Andi was writing a latter	S + Tobe (was or were) + being + V3+ O	A letter was being wrritten by Andi
		I was painting some houses		some houses were being painted by me
present perfect	S + Tobe (have or has) + V3 + O	Andi has written a latter	S + Tobe (have or has) + been + V3 + O	A letter has been wrritten by Andi
		I has painted some houses		some houses have been painted by me
past perfect	S + Tobe (had) + V3 + O	Andi had written a latter	S + Tobe (had) + been + V3 + O	A letter had been wrritten by Andi
		I had painted some houses		some houses had been painted by me
Future Tense	S + will + V1 +  O	Andi will  write a letter	S + will + be + V3 +  O	A letter will be wrritten by Andi
		I will paint some houses		some houses will be painted by me