-Your support shall be the motivation for the coming ___
To me, WB, and remember I'm a troublemaker, the grammar is okay but "work" suggests a single effort, like a book or article; "works" of course two or more such
However I do like FBM's suggestion, "upcoming"
...though don't understand #....488's objections above
Edited to support
I left the work that was on the desk. (?) (I left the work on the desk?)
, where I could almost agree with #....488. However, I can imagine a situation that a number of works had been submitted, some by mail, some in digital form, but one being placed on the desk; former assuring us that it was indeed he who placed it there; tho of of course his "I" would better be italicized