2. Spatial tenses: FAhA and VA

   vi  VA  short distance
    va  VA  medium distance
    vu  VA  long distance

    zu'a    FAhA    left
    ri'u    FAhA    right
    ga'u    FAhA    up
    ni'a    FAhA    down
    ca'u    FAhA    front
    ne'i    FAhA    within
    be'a    FAhA    north of

Why is this section about spatial tenses rather than the more familiar time tenses of Section 1, asks the reader? Because the model to be used in explaining both will be easier to grasp for space than for time. The explanation of time tenses will resume in Section 4.

English doesn't have mandatory spatial tenses. Although there are plenty of ways in English of showing where an event happens, there is absolutely no need to do so. Considering this fact may give the reader a feel for what the optional Lojban time tenses are like. From the Lojban point of view, space and time are interchangeable, although they are not treated identically.

Lojban specifies the spatial tense of a bridi (the place at which it occurs) by using words from selma'o FAhA and VA to describe an imaginary journey from the speaker to the place referred to. FAhA cmavo specify the direction taken in the journey, whereas VA cmavo specify the distance gone. For example:

2.1)  le nanmu va batci le gerku
    The man [medium distance] bites the dog.
    Over there the man is biting the dog.

Suppose you specify a direction with a FAhA cmavo, rather than a distance with a VA cmavo:

2.2)  le nanmu zu'a batci le gerku
    The man [left] bites the dog.

Here the imaginary journey is again from the speaker's location to the location of the bridi, but it is now performed by going to the left (in the speaker's reference frame) for an unspecified distance. So a reasonable translation is:

To my left, the man bites the dog.

The ``my'' does not have an explicit equivalent in the Lojban, because the speaker's location is understood as the starting point.

(Etymologically, by the way, ``zu'a'' is derived from ``zunle'', the gismu for ``left'', whereas ``vi'', ``va'', and ``vu'' are intended to be reminiscent of ``ti'', ``ta'', and ``tu'', the demonstrative pronouns ``this-here'', ``that-there'', and ``that-yonder''.)

What about specifying both a direction and a distance? The rule here is that the direction must come before the distance:

2.3)  le nanmu zu'avi batci le gerku
    The man [left] [short distance] bites the dog.
    Slightly to my left, the man bites the dog.

As explained in Section 1, it would be perfectly correct to use ``ku'' to move this tense to the beginning or the end of the sentence to emphasize it:

2.4)  zu'aviku le nanmu cu batci le gerku
    [Left] [short distance] the man bites the dog.
    Slightly to my left, the man bites the dog.