Are these sentences correct?

[Typing Error]

Are these sentences correct? Which one is the best?

1.
The adolescents' interest is not aroused.
The interest of the adolescents is not aroused.
The interest of adolescents is not aroused.

2. One can see a boy lying on the ground.
One can see a boy who is lying on the ground.
One can see a boy is lying on the ground. (I think this one is wrong)

3. everything becomes limited
everything gets limited


Or is anything else correct?

[caro64]

Are these sentences correct? Which one is the best?

1.
The adolescent's interest is not aroused.
The interest of the adolescents is not aroused.
The interest of adolescents is not aroused.

2. One can see a boy lying on the ground.
One can see a boy who is lying on the ground.
One can see a boy is lying on the ground. (I think this one is wrong) (Its not wrong, it just means something a little different, it's important to know what you want to say)

Let me know the German and that'll help me choose for you.

everything becomes limited
everything gets limited

Or is anything else correct?