Passive-present continuous change to the following passive sentences.Пассивно-истинное

Passive-present continuous change to the following passive sentences.
Пассивно-истиннее постоянное изменение последующих предложений на пассивное.

1 They are repairing his car. ____________________________________________________________________
2 They are painting this room today. _____________________________________________________________
3 Three men are guarding Tom.
_________________________________________________________________
4 The thief is following Mary. ___________________________________________________________________
5 We are making progress.
_____________________________________________________________________
6 Tom is using the computer.
___________________________________________________________________
7 Mary is watering the plants.
_____________________________________
8 The police are questioning Tom.
_______________________________________________________________
9 They are building the house now.
______________________________________________________________
10 Tom and Mary are helping us.
________________________________________________________________
11 The paleontologists are looking for fossils.
______________________________________________________
12 Mary is treating Tom like a child.
______________________________________________________________
13 The police are arresting Tom.
_________________________________________________________________
14 Tom and Mary are picking flowers.
____________________________________________________________
15 They are building a new bridge.
_______________________________________________________________