help meee vs nhaaaaaaa!

1.they saw that boy go out
~~> That boy was seen go out.
2.betty has just sent Mary many post cards
~~> Mary just has been sent many post cards by Betty.
3.do they have to grow grass?
~~> Do grass have to be grown?
4.people call him pop singer
~~> He is called pop singer.
5.where do people speak English?
~~> Where is English spoken?
6.why did not they turn on the lights
~~> Why was not the lights turned on?
7.someone will tell him that news
~~> He will be told that news.
8.people saw him steal your car
~~> He was seen steal your car.
9.the teacher is watching them work
~~> They are being watched by the teacher work.
10.open your book
~~> Your book is opened.
11.take off your hat
~~> Your hat is taken off.
12.they made him work all day
~~> He was made work all day.
13.someone should look into the matter
~~> The matter should be looked into.
14.he likes people to call him "sir"
~~> People are liked by him to call him "sir".
15.he wants someone to take some potographs
~~> Someone are wanted by him to take some potographs.
16.one cannot eat an orange if nobody has peeled it
~~> An orange can not be eaten if nobody has peeled it.
17.dont let the others see you
~~> Aren't let you seen by the others.
18.did anybody ever teach you how to behave ?
~~> Are you taught how ta behave?
19.it surprised me to hear someone had robbed you
~~> I was surprised to hear someone had robbed you by it.
20.people ought to tell us how much they expect of us
~~> We ought to be told how much they expect of us.