backward

backward. period.

with the use of "on" (i intend on) the form should be intent with on, or , intend with to.
so i intend to...
or
i am intent on..
.
of course, in casual conversation, anything can come out.

i believe i have never used "their" as a singular or all-purpose word to replace his or her.

--every student should take their books when leaving the room.-- is unacceptable on any paper turned in to me (Jane Austin, above, notwithstanding).

The British favor the "s" and the BBC uses it invariably. In the States, by the turn of the century, teachers stopped using/accepting the form with "s" and tests such as the college SAT expect the shorter form, e.g. in regard to vs. in regards to, etc.

"The first version gives the impression that the action of pulling the car out was ongoing when the sentence is read, whereas the second version gives the impression that the action was already completed."

The above is correct; thus the writer may CHOOSE either to express the meaning accordingly.

agree with pete