1 Flowers are watered by my father every morning

2 Flora was invited to the party last night

3 Dinner is being prepared in the kitchen by her mother

4 Our teeth should be cleaned twice a day

5 The English grammar has been explained by our teachers

6 THe secretary wasn't phoned this morning

7 Was this beautiful dress made by Mary?

8 The old picture won't be hung in the living room

9 This house and these cars are going to be painted for the Christmas Day

10 The pollution problems have just been discussed since last week

11 has the most valuable painting in the national museum stolen?

12 How many languages are spoken in Canada?

13 Are the house going to be painted?

14 His nose has been broken in a football match

15 Have the above sentences been finished?

16 Tea can't be made with cold water

17 The woman with a red hat was looked at

18 How can this safe be opened?

19 Has the work been finished?

20 The victims haven't been provided with food and clothing