Passive Voice: Present Perfect Tense

Change the below sentence into passive voice:

I have placed an order for a digital camera.

Change the below sentence into passive voice:

They have built a house.

Change the below sentence into passive voice:

I have eaten a hamburger.

Change the below sentence into passive voice:

They have not read the book.

Change the below sentence into passive voice:

We have not agreed to this issue.

While changing the present perfect tense to passive voice, we use auxiliary verbs ______.

• is/ am/ are

• was/ were

• has been/ have been

• is being/ am being/ are being

Change the below sentence into passive voice:

They have not caught the thieves.

Change the below sentence into passive voice:

Our salesmen have sold all the carpets.

Change the below sentence into passive voice:

Everybody has approved Joana's suggestion.

Complete the sentence in present perfect passive voice by filling up the blank.

Anamika ______________ to attend the Filmfare Awards distribution function.

• was invited

• is invited

• is being invited

• has been invited