1a. Questions without question words in Passive (Simple Present)

Form of to be

Subject

past participle

Rest

Yes/No

Subject

Auxiliary
(+ n’t)

Is the test written in room 311? Yes, it is.
No, it is not.
No, it isn’t.
Are grapes grown in California? Yes, they are.
No, they are not.
No, they aren’t.

1b. Questions with question words in Passive (Simple Present)

Question word

Form of to be

Subject

past participle

Rest

Answer

Where is the test written?   The test is written in room 311.
Why are grapes grown in California? Grapes are grown in California because it’s warm and sunny.

2a. Questions without question words in Passive (Simple Past)

Form of to be

Subject

past participle

Rest

Yes/No

Subject

Auxiliary
(+ n’t)

Was the book taken to the classroom? Yes, it was.
No, it was not.
No, it wasn’t.
Were the students taught at home? Yes, they were.
No, they were not.
No, they weren’t.

2b. Questions with question words in Passive (Simple Past)

Question word

Form of to be

Subject

past participle

Rest

Answer

Where was the book taken?   The book was taken to the classroom.
Why were the students taught at home? The students were taught at home because the school was closed.

Here are some more example in other tenses. Let’s start with the Simple froms:

Tense

Auxiliary

Subject

Verb

Present Perfect Has the house been built?
Past Perfect Had the house been built?
will-future Will the house be built?
going to-future Is the house going to be built?
Future Perfect Will the house have been built?
Conditional I Would the house be built?
Conditional II Would the house have been built?

And now two Progessive forms:

Tense

Auxiliary

Subject

Verb

Present Progressive Is the house being built?
Past Progressive Was the house being built?