Пасивний стан в англійській мові

Перефразуйте речення with the help of Passive Voice

1    Do they sell clothes in this shop?
 ...Are clothes sold in this shop?...

2    Someone is cleaning the windows.
3    She tapped him on the hand with her pen.
4    I don't like people laughing at me.
5    People spend a lot of money on food.
6    Is Sue washing the car?   
7    Who made this mess?
8    Grandfather is going to tell the children a story.
9    They will open the new sports centre soon.
10  They made him confess to the robbery.
11  Liz showed me some holiday pictures.
12   Sam remembers his friend telling him about the party.
13    They heard him calling for help.
14    Who broke this mug?
15    The jury will have reached a verdict by the morning.
16    The teacher will mark the essays.
17    People make jam from fruit.
18    They sent for the doctor.
19    Clive hasn't cut the grass yet.
20    They may not repair the car this week.