Argument

Grammatical mood

Overview

In linguistics, grammatical mood is a grammatical feature of verbs, used for signaling modality. In other words, it is the use of verbal inflections that allow speakers to express their attitude toward what they are saying (for example, a statement of fact, of desire, of command, etc.). The term is also used more broadly to describe the syntactic expression of modality – that is, the use of verb phrases that do not involve inflection of the verb itself.

Mood is distinct from grammatical tense or grammatical aspect, although the same word patterns are used for expressing more than one of these meanings at the same time in many languages, including English and most other modern Indo-European languages. (See tense–aspect–mood for a discussion of this.)

Some examples of moods are indicative, interrogative, imperative, subjunctive, injunctive, optative, and irrealis/potential. These are all finite forms of the verb. Infinitives, gerunds, and participles, which are non-finite forms of the verb, are not considered to be examples of moods.

Some Uralic Samoyedic languages have more than ten moods; Nenets has as many as sixteen. The original Indo-European inventory of moods consisted of indicative, subjunctive, optative, and imperative. Not every Indo-European language has all of these moods, but the most conservative ones such as Avestan, Ancient Greek, and Vedic Sanskrit have them all. English has indicative, imperative, conditional, and subjunctive moods.

Not all the moods listed below are clearly conceptually distinct. Individual terminology varies from language to language, and the coverage of, for example, the "conditional" mood in one language may largely overlap with that of the "hypothetical" or "potential" mood in another. Even when two different moods exist in the same language, their respective usages may blur, or may be defined by syntactic rather than semantic criteria. For example, the subjunctive and optative moods in Ancient Greek alternate syntactically in many subordinate clauses, depending on the tense of the main verb. The usage of the indicative, subjunctive, and jussive moods in Classical Arabic is almost completely controlled by syntactic context. The only possible alternation in the same context is between indicative and jussive following the negative particle lā.

The word mood in a grammatical sense comes from the Latin modus, and has no connection with the other meaning of "mood", in the sense of "emotional state", which comes from a Germanic root.

Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).

Possible passages

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In the English language this is commonly done, by prefixing, what are called the personal pronouns, to the general word which expresses the event affirmed. _I came_, _you came_, _he_ or _it came_; in these phrases the event of having come is, in the first, affirmed of the speaker; in the second, of the person spoken to; in the third, of some other person, or object. The first formers of language, it may be imagined…
Adam Smith, The Theory of Moral Sentiments
States what Grammatical mood is.
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On the other hand an event-particle is defined so as to exhibit this character of being a route of approximation marked out by entities posited in sense-awareness. A definite event-particle is defined in reference to a definite punct in the following manner: Let the condition {sigma} mean the property of covering all the abstractive elements which are members of that punct; so that an abstractive set which satisfies…
Alfred North Whitehead, The Concept of Nature The Tarner Lectures Delivered in Trinity College, November 1919
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Every proposition consists of three parts: the Subject, the Predicate, and the Copula. The predicate is the name denoting that which is affirmed or denied. The subject is the name denoting the person or thing which something is affirmed or denied of. The copula is the sign denoting that there is an affirmation or denial, and thereby enabling the hearer or reader to distinguish a proposition from any other kind of…
John Stuart Mill, A System of Logic, Ratiocinative and Inductive
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Related ideas

Place in the tradition

Part of Modal logic.

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