t in this respect is the structural nature of the expression of the category: the category of primary time is the only verbal category of immanent order which is expressed by inflexional forms. These inflexional forms of the past and present coexist in the same verb-entry of speech with the other, analytical modes of various categorial expression, including the future. Hence, the English verb acquires the two futures: on the one hand, the future of the present, ie as prospected from the present; on the other hand, the future of the past, ie as prospected from the past. The following example will be illustrative of the whole four-member correlation:
Jill returns from her driving class at five o'clock.
At five Jill returned from her driving class. I know that
Jill will return from her driving class at five o'clock.
I knew that at five Jill would return from her driving class.
An additional reason for identifying the verbal past-present time system as a separate grammatical category is provided by the fact that this system is specifically marked by the do-forms of the indefinite aspect with their various, but inherently correlated functions. These forms, found in the interrogative constructions (Does he believe the whole story?), In the negative constructions (He doesn't believe the story), in the elliptical response constructions and elsewhere, are confined only to the category of primary time, ie the verbal past and present, not coming into contact with the expression of the future.
The fact that the present tense is the unmarked member of the opposition explains a very wide range of its meanings exceeding by far the indication of the "moment of speech" chosen for the identification of primary temporality. Indeed, the present time may be understood as literally the moment of speaking, the zero-point of all subjective estimation of time made by the speaker. The meaning of the present with this connotation will be conveyed by such phrases as at this very moment, or this instant, or exactly now, or some other phrase like that. But an utterance like "now while I am speaking" breaks the notion of the zero time proper, since the speaking process is not a momentary, but a durative event. Furthermore, the present will still be the present if we relate it to such vast periods of time as this month, this year, in our epoch, in the present millennium, etc. The denoted stretch of time may be prolonged by a collocation like that beyond any definite limit. Still furthermore, in utterances of general truths as, for instance, "Two plus two makes four", or "The sun is a star", or "Handsome is that handsome does", the idea of ​​time as such is almost suppressed, the implication of constancy, unchangeability of the truth at all times being made prominent. The present tense as the verbal form of generalised meaning covers all these denotations, showing the present time in relation to the process as inclusive of the moment of speech, incorporating this moment within its definite or indefinite stretch and opposed to the past time.
Thus, if we say, "Two plus two makes four", the linguistic implication of it is "always, and so at the moment of speech". If we say, "I never take his advice", we mean linguistically "at no time in terms of the current state of my attitude towards him, and so at the present moment". If we say, "In our millennium social formations change quicker than in the previous periods of man's history", the linguistic temporal content of it is "in our millennium, that is, in the millennium including the moment of speech". This meaning is the invariant of the present, developed from its categorical opposition to the past, and it penetrates the uses of the finite verb in all its forms, including the perfect, the future, the continuous. p align="justify"> Indeed, if the Radio carries the news, "The two suspected terrorists have been taken into custody by the police", the implication of the moment of speech refers to the direct influence or after-effects of the event announced. Similarly, the statement "You will be informed about the decision later in the day" describes the event, which, although it has not yet happened, is prospected into the future from the present, ie the prospection itself incorporates the moment of speech. As for the present continuous, its relevance for the present moment is self-evident. p align="justify"> Thus, the analysed meaning of the verbal present arises as a result of its immediate contrast with the past form which shows the exclusion of the action from the plane of the present and so the action itself as capable of being perceived only in temporal retrospect. Again, this latter meaning of the disconnection from the present penetrates all the verbal forms of the past, ...
