Standard English users can begin sentences with coordinating conjunctions like and, but, and or, but orprobably is less frequently used than and or but. Some purists object even to using and or but, and it is always safest to humor them, especially in academic writing.
Yes you can. Example: Okay, I will go with you.
Yes.
It's okay for you to stay.Yes as in For example, .... and For once in your life, do the right thing.
Yes, it is OK. Example sentence: On the day of the race, I woke with a bad headache.
Yes, if the sentence is otherwise well written and it fits within the context of the paragraph.
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.
Yes you can star a sentence with and, only sometimes you cant do it for every sentence but one or twice in one page but in a paragraph it is one.This is your answer. You're welcome!
Sure. Am I wrong? That is an example. Am I interrupting something? That is another. Well, that is not strictly true, that is starting a question with 'Am', okay a question is a type of sentence. But you cannot start a statement with 'Am', the word should be spelt I'm.
The/This data is okay.
okay
It would be awkward unless you are using it to draw attention to your opening clause, i.e.: "Of this one thing I am certain: etc... etc..."
Yes.