It's OK to go to your friends house if you tell me first that you're going.
Even if you don't like my new recipe, I will be OK, my feelings won't be hurt.
Yes.
You just did hahaha.. anyways another sentence is "okay john, you write the program and i will narrate"
no. Well yeah it's okay to use a word twice.
The/This data is okay.
No
Okay, 'The ancient Egyptians used the mummification process to create a mummy."
Okay... Here's a simple one... When I turn 21 I will contribute in politics. Simple and lame but it's a sentence right?
☺ Okay, well of course, that is not correct. Shut yo stanks.
Change is impending, one always has to be prepared. Oh wait, that uses "impending", not "impend". Okay, somebody else use "impend" in a sentence for me; I don't know how.
Yes you can. Example: Okay, I will go with you.
Yes, it is generally acceptable to start a sentence with "but," particularly in informal writing. However, it is best to use this approach sparingly and ensure that the sentence structure is clear and the use of "but" is appropriate for the context.
It depends on how you use it a sentence (: