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B
C
D
100

The dentist pulled out my tooth.

My tooth was pulled out by the dentist.

100

Many parents influence their children strongly

Children are influenced strongly by most parents.

100

The mayor will open the new sports centre next month.

The new sports centre will be opened by the mayor next month.

100

They do not allow taking pictures here.

Taking pictures here is not allowed.

200

The police are questioning him now.

He is being questioned now by the police.

200

They were pulling down the building when I walked by.

The building was being pulled down when I walked by.

200

You must wash coloured clothes separately.

Coloured clothes must be washed separately.

200

They kill elephants for ivory.

Elephants are killed for ivory.

300

 You should take these tablets before meals.

These tablets should be taken before meals.

300

The teacher has sent him out of the classroom.

He has been sent out of the classroom by the teacher.

300

The news seemed to have shocked him.

He seemed to have been shocked by the news.

300

They are building the bridge at the moment.

The bridge is being built at the moment.

400

Has anyone collected the rubbish yet?

Has the rubbish been collected yet?

400

Who did they give the prize to?

Who was the prize given to?

400

He expects people to show him more respect.

He expects to be shown more respect.

400

Someone has stolen Michael’s bike.

Michael’s bike has been stolen.

500

Nobody has seen the Queen since July.

The Queen hasn't been seen since July.

500

Who delivered that parcel?

Who was that parcel delivered by?

500

Somebody has stolen Jack's car recently.

Jack’s car has been stolen recently.

500

When would you like me to deliver the piano?

When would you like the piano to be delivered?

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