Вопрос по английскому языку:

Помогите пожалуйста с английским :
Change the sentences from active to passive.
21)Someone has returned the stolen cash.
22)They will not send you any money until next month.
23)Aunt Dorothy is looking after the children.
24)Has anyone informed you about the change of plan?
25)You must add milk and flour to the eggs.
26)Do you know who wrote The Sting?
27)His father didn’t give him any encouragement.
28)We suddenly realized that someone had tricked us.
29)Inspector John was interviewing the suspect at 10 o’clock this morning.
30)They publish the news journal every month

21) The stolen cash has been returned by someone.

22) Any money will not be sent by them until next month.

23) Is being looked after the children by aunt Dorothy?

24) Have you been informed by anyone about the change of plan?

25) Milk and flour must be added to the eggs by you.

26) Was it known to you by whom The Sting who has been written?

27) Any encouragement had not been given him by his father.

28) It has been suddenly realized by us that we had been tricked by someone.

29) The suspected had being interviewed by inspector John at 10 o'clock this morning.

30) The news journal is published by them every month.