{be}
Main or Auxiliary?
{be} Auxiliary:
Passive Voice or Progressive Aspect?
Passive to Active
Who, Whom, Whose
100

Mary is a flight attendant.

Main

100

Mary is drinking some tea.

Progressive

100

Change the following sentence from a passive to an active:

The cake has all been eaten.

Someone ate all the cake.

100

_____________ is knocking at the door?

Who is knocking at the door?

200

My dad is looking for a job.

Auxiliary

200

Those boys were scolded for their overdue books.

Passive

200

Change the following sentence from a passive to an active:

The turkey was prepared a day ahead of time.

Dad prepared the turkey a day ahead of time.

200

To _____________ did you turn in your exam?

To whom did you turn in your exam?

300

These 10 houses will be scheduled for demolition. 

Main

300

My mom is cooking chicken tonight.

Progressive

300

Change the following sentence from a passive to an active:

The robber was caught red-handed by the police.

The police caught the robber red-handed.

300

_____________ jacket is this?

Whose jacket is this?

400

They are penniless.

Main

400

The cake has been eaten.

Passive

400

Change the following sentence from a passive to an active:

Bob was given an award for good citizenship by the school.

The school gave Bob an award for good citizenship.

400

I don't know ______ can babysit.

I don't know who can babysit.

500

The potatoes are being boiled in the large pot.

Auxiliary

500

The Interstate is being closed for blasting. 

Both!

500

Change the following sentence from a passive to an active:

No one was bothered by Lisa's tuba practice.

Lisa's tuba practice bothered no one.

or

Lisa's tuba practice didn't bother anyone.

500

No one knows ______ she loves.

No one knows whom she loves.

(or who)