Which one is correct?

JesterLegacy1)Probably just stay at home, helping my family.2) Probably just staying at home, helping my family.

probably just stay home to help my family.

JesterLegacyA)I will keep going until I reach it.

Between the 3, A and C are both correct. C is the best.

JesterLegacy1)Probably just stay at home, helping my family.
2) Probably just staying at home, helping my family.

I’ll probably just stay at home, helping my family.

grammarfreakBetween the 3, A and C are both correct. C is the best.

I agree that only A and C are correct, but they seem equally natural/appropriate

Aspara GusI agree that only A and C are correct, but they seem equally natural/appropriate to me.JesterLegacyif there are more than 1 correct forms, when do we use them.You can use them (A and C) interchangeably.

AG, Again, it's a matter of perception. I think in a nut shell, it is true that they can be used interchangeably without much disagreement. However,

grammarfreakHowever, the present perfect senamtically carries a shade deeper in meaning, to me anyway.

What does that mean?

fjj,
I am not a trained linguist and I admit I can't explain in lingusitic terms the difference in ways that will satisfy your question. In the following sentence, do you not feel the latter has an intended meaning of completion ?
I won't quit until I learn how to swim
I won't quit until I have learned how to swim.

JesterLegacyA)I will keep going until I reach it. C)I will keep going until I've reached it.

I take those examples like this:

A) I will keep going until I reach it.

........................X.......I'm going.....I'm going.....I'm going..(no intervals)......................X

I see no real difference between A and C, Laborious. In C, the perfective aspect is connected with reach, not keep going.

However, since the verb reach denotes an "instantaneous" action (for lack of a better term) in contexts like this, there is usually no good reason to use the present perfect, because the sentence cannot possibly be misinterpret

Now I am really intrigued as to what I am hearing. Have I been wrong all along?
Allow me to throw another example out just to clarify my own doubt.
Mary said to John:
1) Don't ask me to marry you until you have completely quit smoking.

2) Don't ask me to marry you until you quit smoking.
I personally feel # 1 has the connotation that John is completely free of the urge t

grammarfreakI personally feel # 1 has the connotation that John is completely free of the urge to smoke with the present perfect form.

Well, isn't that implied by the word completely?

ozzourtiWell, isn't that implied by the word completely?

Let's say I take out " completely " from the context....
Mind you, we are discussing if there is a subtle difference in shade of the meaning between present and present perfect,