Change these sentences from active to passive

1) I think spies are watching my house. - I think my house _____.

2) The teacher was punishing the children as I walked past. - The children _____ as I walked past.

3) The police are investigating the murder at the moment. - The murder _____ at the moment.

4) She thought someone was bullying her children at school. - She thought her children _____ at school.

5) The doctors are treating him for pneumonia. - He _____ for pneumonia.

6) Is anyone doing anything to protect the environment? - _____ to protect the environment?

7) Last year, Apple were selling IPADs for £500. - Last year, IPADs _____ for £500.

8) They aren't giving us enough information. - We _____ enough information.

Passive Voice. Perfect Tenses

Introduce correct passive forms of the verbs in

A) Present Perfect

1) Another book _____ (write) by my favourite author recently.

2) My articles _____ (read) by very few readers so far.

3) The task _____ (complete) and we're free now.

4) Helen and I _____ (invite) to Bill's party again.

5) Kate _____ (award) first prize in the swimming competition lately.

6) The two criminals _____ (not/arrest) yet.

B) Past Perfect

1) The table looked nice because it _____ (polish).

2) My window _____ (smash) three times the day before yesterday.

3) The water _____ (keep) in the fridge so it was cold.

4) Mike _____ (see) near the cinema so we went there.

5) She _____ (not/love) so much before she met Jim.

6) I _____ (inform) about the accident before I returned home.