To keep apart from

[Erbab]

Which usages are true?

1- The Amish people keep apart from the rest of the world.

2- The Amish people keep themselves apart from the rest of the world.

3- I keep myself apart from you.

4- I keep apart from you.

Thanks for your help!

 

[Skrej]

I'm not sure if you mean factually true or grammatically correct. All all grammatically correct in the right context, although the last two are somewhat unnatural.