Passive Voice.

Tenses	Active Voice	Passive Voice
Present Simple	S + V.1	S + V.to be + V.3
Present Continuous	S + V.to be + V.ing	S + V.to be + being + V.3
Present Perfect	S + have/has + V.3	S + have/has + been + V.3
Past Simple	S + V.2	S + was/were + V.3
Past Continuous	S + was/were + V.ing	S + was/were + being + V.3
Past Perfect	S + had + V.3	S + had + been + V3
Future Simple	S + will/shall + V.1	S + will/shall + be + V.3

Exam.

Rattana sings a song.

A song is sung by Rattana.

Someone has picked my pocket.

My pocket has been picked.

The cat killed the mouse.

The mouse was killed by the cat.

The man cut down the tree.

The tree was cut down by the man.

The teacher will punish Ladda.

Ladda will be punished by the teacher.

The committee is discussing the water crisis.

The water crisis is being discussed by the committee.

He will finish the work in a fortnight.

The work will be finished by him in a fortnight.

They are repairing the bridge.

The bride is being repaired by them.