The noun version of loading can be the abstract as commented above, but because it tends to refer to a process rather than an event, it is also natural and common to use it in referring to things that take some time. "Document loading" implies it is (was/will be) ongoing. That is not due to your slow/fast although the effects of those adjectives in your examples reinforce the effect of the ...
"Being loaded" is the form for present progressive, so it is more correct. The word "as" tells us that the action of loading begins before the man started to speak, and will continue after the man will stop speaking.
" Are you working today? " is a specific question about this day - not this day of the week, but this exact day. For example, it might be a Wednesday, and you know the other person normally works Wednesdays, but perhaps you are enquiring if they took a vacation day. " Do you work today " sounds a little unclear but it could be okay in context. " Do you work... " rather than " are you working ...
What I wanted to point out was that the speaker, in choosing the future continuous, is not only explaining what is to be expected under the circumstances, but emphasizing that that transaction is multi-phase with the continuous, and also avoiding other valid choices that might seem less polite. Not that the speaker has spent a lot of cogitating -- it could be just the manner of communicating ...
What is the difference between once I receive it and once received? Ex. I will send the picture to you once I receive it from John. I will send the picture to you once received.
Load ing is the process the application performs when it opens a file. Depending on the application and the file, aspects of the loading process could include: Rendering appropriate text in bold, or italics etc for a word processing app with a document file. Performing formulae calculations and rendering charts for a spreasheet program with a csv file. Displaying populated fields in a form ...
Both express possession, of course. We use 's with singular nouns. For example, " my son's toys " will be "the toys that belong to my son". We use only an apostrophe (') after plural nouns that end in -s: " my sons' toys " means that I have more than one son and these are their toys. We use 's for possession with the other plural nouns. For example: " my children's toys; women's wishes, etc.
It's basically the same as your other question and its answer. In all your examples here, at indicates an instantaneous event (not related to anything leading up to that event) had an effect; from indicates that the effect stemmed from an existing or long-standing condition. I became hungry at the smell of the cookies. The smell of the cookies reached you and you became hungry (instantaneous ...
