The Present Perfect Tense

The present perfect is used for actions that have been completed before now
(action = finished; time = on-going/not finished)

have + p.p.

– example

Her parents have taken her bicycle to the shop.

The Passive Voice

To make the passive voice:
be (in the correct tense) + p.p.

For the present perfect, this is:
have been + p.p.

– example

Her bicycle has been taken to the shop by her parents.

Examples of the present perfect tense in the passive voice

(active) I have done my homework
(passive) The homework has been done (by me)

(active) They have finished the repairs
(passive) The repairs have been finished

(active) The salesman has sold that car
(passive) That car has been sold.

Exercises

1. Change these sentences into the passive voice:
(i) Someone has broken the television.
(ii) Somebody has opened a new bakery on the high street.
(iii) City have beaten United 2-1.

2. Change these sentences out of the passive voice:
(i) A tree has been pulled down by the wind.
(ii) This painting has been bought by an anonymous millionaire.
(iii) Fourteen bicycles have been stolen by the thieves this week alone.