A phrase such as for nothing, at no cost, or a similar substitute. It seems that both come up as common usages—google. So free from is used to indicate protection from something problematic, and free of (which doesn't correspond neatly to freedom of) is used to indicate the absence of something:.
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My company gives out free promotional items with the company name on it
Is this stuff called company swag or schwag
It seems that both come up as common usages—google searching. Saying free or available rather than busy may be considered a more positive enquiry It may also simply mean that you expect the person to be busy rather than free, rather than the other way. Stack exchange network consists of 183 q&a communities including stack overflow, the largest, most trusted online community for developers to learn, share their.
The choice of prepositions depends upon the temporal context in which you're speaking On ~ afternoon implies that the afternoon is a single point in time Items given away free, typically for promotional purposes, to people attending an event, using a service, etc It’s especially common in reference to, e.g., the very nice “swag.

From en.wiktionary, freebie means “(informal) something which is free
Thus, the item given you is a freebie It was given to you gratis or on the house, as.

