22.01.12 · grammar / tense

Verb tense: present, past, future

draft3 tiersLean: none

Anchor (Master): Comrie, Tense (1985); Declerck, The Grammar of the English Verb Phrase

Intuition [Beginner]

Tense tells you when an action happens. English has three simple tenses:

  • Present: happening now or generally true. "She walks to school."
  • Past: already happened. "She walked to school."
  • Future: will happen. "She will walk to school."

Notice that English uses two different strategies to form tense:

  • Present and past change the verb itself (walk -> walked).
  • Future adds a helping word (will) in front of the base verb.

Also notice: tense is not the same as time. The present tense can describe the future ("The train leaves tomorrow") and the past tense can describe something hypothetical ("If I had a million dollars..."). Tense is a grammatical form; time is what we actually mean.

Visual [Beginner]

TIME LINE:  ----[PAST]--------[NOW]--------[FUTURE]----
                  |              |               |
            walked           walks          will walk
            saw              sees           will see
            went             goes           will go
Regular verb: walk
  Present:  walk / walks (3rd person singular)
  Past:     walked
  Future:   will walk

Irregular verb: go
  Present:  go / goes
  Past:     went
  Future:   will go

Worked example [Beginner]

Identify the tense and explain the time reference.

1. "Water boils at 100 degrees Celsius."

  • Tense: present (boils).
  • Time reference: general truth, not "right now."

2. "I visited my grandmother last weekend."

  • Tense: past (visited -- regular verb, visit + -ed).
  • Time reference: completed action in the past ("last weekend").

3. "We will launch the project in March."

  • Tense: future (will launch).
  • Time reference: a planned future event.

4. Regular vs. irregular verbs:

Base form Past tense Type
talk talked regular (-ed)
sing sang irregular (vowel change)
go went irregular (suppletive)
carry carried regular (-ied)

Check your understanding [Beginner]

Formal definition [Intermediate+]

Tense is a grammatical category, realized by verb morphology or auxiliaries, that locates a situation in time relative to a reference point -- typically the moment of speaking (the deictic center).

English has a two-tense system in the strict morphological sense: only present (zero or -s) and past (-ed or irregular) are marked on the verb itself. Future is expressed analytically with the modal auxiliary will (or shall), which is not a true tense morphologically but functions as one in the clause system.

Tense Morphological marking Example
Present base form; -s for 3sg walk / walks
Past -ed (regular); ablaut/suppletion (irregular) walked / sang / went
Future modal will + base form will walk

The distinction between tense (grammatical form) and time reference (semantic content) is critical. The present tense can convey habituality (She drinks coffee), instantaneous present (I hereby declare...), scheduled future (The flight departs at noon), and even past events in the "historical present" (So then he walks up and says...).

Key concepts [Intermediate+]

  1. Regular vs. irregular verbs. Regular verbs form the past tense with -ed. Irregular verbs use vowel alternation (sing/sang), consonant changes (build/built), suppletion (go/went), or no change (put/put). English has roughly 200-250 irregular verbs, all high-frequency, reflecting older Germanic strong and weak verb classes.

  2. Deixis. Tense is inherently deictic: it anchors the described event to the speaker's "now." Past tense means "before now"; future tense means "after now." But the reference point can shift in narrative or reported speech.

  3. Absolute vs. relative tense. Absolute tense is measured from the moment of speaking. Relative tense is measured from a reference point established in the discourse (e.g., the past perfect "had walked" is past relative to a past reference point).

  4. Future: will vs. shall. Traditional prescriptive grammar holds that shall is used for first person and will for second/third person in statements, with the reverse in questions. In modern usage, will dominates in all persons for ordinary future reference; shall survives mainly in first-person questions (Shall we go?) and legal/formal registers.

Linguistic theory [Master]

The analysis of tense has been a major topic in formal semantics and syntax. Reichenbach (1947) introduced the influential three-point system: S (speech time), R (reference time), and E (event time). The simple tenses are analyzed as:

  • Present: S = R = E
  • Past: E = R, R < S
  • Future: S = R, R < E (or S < E)

This framework elegantly handles complex tenses: the past perfect has E < R < S (event before a past reference point, which is before speech time). Klein (1994) refines this into a theory of temporal relations between topic time and situation time.

In formal semantics, tense is treated as a temporal operator (Prior 1957, 1967; Montague 1973). The past tense operator PAST shifts the evaluation time backward: PAST(phi) is true at time t iff phi is true at some t' < t. This modal analysis captures the connection between tense and modality -- the past tense in counterfactuals ("If I knew...") is not about temporal location but about irrealis mood.

Comrie (1985) provides the standard typological framework, distinguishing tense (location in time) from aspect (internal temporal structure) and mood (the speaker's attitude). He shows that the number of tenses cross-linguistically varies from zero (some languages lack grammatical tense entirely, relying on temporal adverbs) to complex systems with multiple past and future degrees (e.g., the four past tenses of some Bantu languages).

The debate over whether English will constitutes a tense or a modal is ongoing. Declerck (2006) argues for a comprehensive tense-aspect-mood system in which will is a future tense auxiliary. Bhatt (1999) and others treat it as a modal with future-shifting semantics. The difficulty is that will shares properties with both categories.

Historical context [Master]

Proto-Indo-European had a complex tense-aspect system distinguishing present, aorist (perfective past), and perfect (stative/resultative), with no dedicated future tense. Germanic languages simplified this to a two-tense system (present and past), losing the aorist/perfect distinction and developing the future periphrastically.

In Old English, the future was expressed by the present tense with temporal adverbs, or by the auxiliaries sculan (shall) and willan (will), which originally conveyed obligation and volition respectively. The grammaticalization of will as a future marker is a classic case of semantic bleaching: a verb meaning "to want" gradually lost its volitional content and became a tense auxiliary.

Regular -ed past tense derives from the Germanic weak verb class, which formed the past with a dental suffix (-d or -t), possibly originating from the past tense of the verb "to do" (a periphrastic do-support in Proto-Germanic). Irregular verbs descend from the Germanic strong verb system, which used ablaut (vowel gradation) inherited from PIE. Over centuries, many strong verbs regularized (help was once holp, now helped), but the most frequent verbs resisted regularization, which is why the surviving irregular verbs in Modern English are almost all high-frequency items.

Bibliography [Master]

  • Bhatt, R. (1999). Covert modality in non-finite contexts. PhD dissertation, University of Pennsylvania.
  • Comrie, B. (1985). Tense. Cambridge University Press.
  • Declerck, R. (2006). The Grammar of the English Verb Phrase. Mouton de Gruyter.
  • Klein, W. (1994). Time in Language. Routledge.
  • Montague, R. (1973). The proper treatment of quantification in ordinary English. In Approaches to Natural Language, Reidel.
  • Prior, A. N. (1957). Time and Modality. Clarendon Press.
  • Reichenbach, H. (1947). Elements of Symbolic Logic. Macmillan.