Simple Present :   

Active   : Mary helps  john

Passive : john is helped by Mary

Present Continuous:

Active   : Mary is  helping john

Passive : john is being helped by Mary

Present Perfect:

Active   : Mary has helped   john

Passive : john has been helped by Mary

Simple Past:

Active   : Mary  helped  john

Passive : john was helped by Mary

Past continuous:

Active   : Mary was  helping john

Passive : john was being helped by Mary

Past Perfect:

Active   : Mary had  helped john

Passive : john had been helped by Mary

Simple Future:

Active   : Mary will  help  john

Passive : john will be helped by Mary

Be going to:

Active   : Mary is  going to help john

Passive : john is going to be helped by Mary

Future Perfect:

Active   : Mary will have helped john

Passive : john will have been helped Mary

Note: The continuous forms of the present perfect , past perfect , future and future perfect are very rarely used in the passive.

Active  :Etken (İşin özne tarafından yapıldığı belliyse) Passive:Edilgen (İşin özne tarafından yapıldığı belli değilse)

Verbs that can be used in the passive :

1.Most transitive verbs can be used in the passive. A transitive verb is a verb which has an object.

The thief was caught by police

2. Intransitive verbs cannot be used in the passive . An intransitive verb is a verb which does not have an object.

Rodney fell and hurt his leg.

Passive constructions with the infinitive:

Doğru olup olmadığını bilmediğimiz bir bilgi aktar mak istediğimizde veya bu bilginin kaynağını vermek istemediğimizde passive yapıyı şu fiillerle kullanırız : 

think ,believe , report , consider , know , say , expect , + infinitive.

1. Bilgi şu anki bir durumla ilgiliyse : 

 passive + infini tive.

 örn: The queen is believed to be one of the richest   people in the world.

 örn: Mr Smit is thought to be staying with friends

2. Bilgi geçmişteki bir durumla ilgiliyse:

 passive + the past infinitive ( to have + past particip le )

örn: Cher is said to have had a face lift.

NOT: The passive of doing = being done , 

seeing = being seen.

Örnekler:

Active: I don't like people telling me what to do

Passive: I don't like being told what to do

Active: Mr Miller hates people keeping him waiting

Passive:Mr miller hates being kept waiting