These are the passive forms of the present and past tenses:

Simple present am/is/are + done/cleaned, etc.

Active: Somebody cleans this room every day.

Passive: This room is cleaned every day.

Many accidents are caused by dangerous driving.

I'm not often invited to parties.

How many people are injured in car accidents every day?

Simple past was/were + done/cleaned, etc.

Active: Somebody cleaned this room yesterday.

Passive: This room was cleaned yesterday.

During the night we were all woken up by a loud explosion.

When was that castle built?

The house wasn't damaged in the storm, but a tree was blown down.

Present continuous am/is/are being + done/cleaned, etc.

Active: Somebody is cleaning the room right now.

Passive: The room is being cleaned right now.

Look at those old houses! They are being knocked down.

(shop assistant to customer) Are you being helped, ma'am?

Past continuous

Active:

Passive:

Suddenly I heard footsteps behind me. We were being followed.

Present perfect

Active:

Passive:

have/has been + done/cleaned, etc.

The room looks nice. Somebody has cleaned it.

The room looks nice. It has been cleaned.

Have you heard the news? The President has been shot.

Have you ever been bitten by a dog?

I'm not going to. the party. I haven't been invited.

Past perfect had been + done/cleaned, etc.

Active: The room looked much better. Somebody had cleaned it.

Passive: The room looked much better. It had been cleaned.

Jim didn't know about the change of plans. He hadn't been told.