The phrase "your basis for" is correct and usable in written English
It can be used when asking someone to explain the reasoning or justification behind their opinion, decision, or action.
Example: "Please provide your basis for this conclusion so we can better understand your perspective."
Alternatives: "your reasoning for" or "your justification for"
For example, while we're on the subject of gay marriage, one question for fundamentalist Christians is this: What's your basis for opposing lesbianism?
"What was your basis for taking that away from them?" "Well, it's in the car, and all those things can be looked at," Washington explained.
I hope that isn't your basis for religious faith, you say, because you've described nothing there that isn't compatible with a completely naturalistic account of the universe, in which there's nobody there to extend any magical mercy from the sky, just stuff, lots and lots of astonishing, sufficiently interesting stuff, all the way up from the quantum scale to the movement of galaxies.
If your basis for finding happiness is possession, whether monetary or emotional, the equation is doomed to fail.
This will be your basis for the length of call that you are going to make.
Keep your basis for monthly minimum payment in your files at home.
If the semi-final results of the Asian Cup constituted your sole basis for making forecasts, you might be tempted to issue warnings before tomorrow's final of a storm of Australian gloating.
Track down your cost basis for securities, collectibles, real estate and other appreciated assets.
Your provide no basis for your claim that other states would get involved.
Blogging brings attention: Integrate a blog into your website so that you have have a vehicle which you can use to constantly update your site and a basis for your social media activity.
Your value is the basis for your arguments, though most times the value doesn't play a role in the debate.
