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Sentences

The structure of morphemes, phrases and sentence constituents.

Morphosyntactics

Hîsyêô is considered an isolating language because all words are a single morpheme. Some examples of isolating languages are Yoruba, Vietnamese, and Thai.

What Is A Morpheme?

A morpheme is a single unit of meaning. In English, the word "cat" is a single morpheme but the word "cats" is two morphemes: "cat" + "s" where the "s" is the morpheme that signifies that a noun is plural. The word "intwined" is three morphemes, "in" for the meaning of interconnectedness, "twine" for the verb that means to wrap or weave with a twine-like object, and "ed" for the past participle of the verb (the modifier form in past tense).

Hîsyêô is also considered an analytic language, which means that prepositions, particles and modifiers (grammatical relations) are separate words that provide the additional meaning to words (instead of inflection or affixes that are used in synthetic languages). English is mostly an analytic language although there are some instances of affixes (such as "-ed", "-ing", "-s"). There are no prefixes nor affixes in Hîsyêô, all meaning is provided via separate words in known as prepositions and particles.

Constituent Word Order

The order with which you setup a clause or sentence is called constituent order. Sentences are made up of verb and noun phrases that exist within prepositional phrases. Let's ignore what prepositional phrases are available for the time being and just zoom out and think about subject phrases (with noun phrases within), action phrases (with verb phrases within), and thematic phrases (with noun phrases within). Many languages require that you order your sentence in a particular way such that each element along the way can be understood as a specific part of a sentence. Some of the most prevalent constituent orders that occur in natural languages include: subject-object-verb, subject-verb-object, verb-second, and topic-comment. In addition to these sentence structure types, there also exists some languages that have no strict word order. Instead they use morphological elements or particle words to identify the different parts of the sentence. In these languages, the order in which the parts of a sentence are provided may indicate the subject or theme of a sentence.

Hîsyêô has a mostly free constituent order because all sentence parts are marked by a preposition. The order of your sentence puts the first provided element as the topic and each successive constituent as comments about the topic in order of importance. That said, there are three irregularities that reduce the freedom slightly.

Irregularity #1: First Constituent Agent Elision

If the first constituent of a sentence is the agent, the preposition (û) can be elided (skipped) and the noun phrase provided unmarked. However, if the agent's nucleus is a base verb, it must be preceded by the preposition so that it's clear that you are referring to the noun derivation of that verb.

Because of this elision rule, sentence structure does lean towards a preference of subject-verb-object.


Irregularity #2: Verb-Object Syntactic Alignment

Direct objects are always introduced by a free-standing verb. There is no way to provide a direct object before providing the verb. Additionally, you can't follow a verb immediately with another verb phrase (just like you can't immediately follow any other preposition by another preposition).

This means that a sentence structure that mirrors the English passive voice is not strictly supported. However, there is a way to raise the object to the subject position by providing the object in the subject preposition and supplying the agent and verb in a subject complement subordinate clause.


Irregularity #3: Verb-Connector Syntactic Alignment

If a verb is preceded by a connector, it is interpreted as the noun derivation. Only when followed by a preposition particle does the connector signify a new sentence.

This means that there's some difficulty when expressing compound sentences that hinge on a change in verb but there are ways around it.

nîmû fôlun xe dênêmêk kon xobo yodo kon bôkôfoc ko."Do you want to practice hitting or blocking?"

nîo buswen mokon yodo îskô ko."Do they need food or drink?"(Instead of "Do they need to eat or to drink?")

mênyûu onô bi ôhêl bi môcîbo kelo kelo kôto kôto hoî bitûn mûlû."The kids were playing and talking all night."

Null Constituents

When an independent clause lacks a constituent like an agent/causer or patient/causee, such a clause is said to have a null subject. This means that the subject can be inferred through the surrounding sentence, prior sentences or any other contextual cues.

When an indendent clause lacks a verbal constituent but contains a subject constituent and other thematic constituents,the clause is said to have a null copula. This means that the relationship between the subject and the thematic constituents can be inferred through the surrounding sentence, prior sentences or any other contextual cues.

In the last sentence, the subordinate clause inside of the nênko preposition phrase could not have its verb elided because we needed to apply the epistemic verb particle.

Phrase Word Order

Each constituent has a preposition and a phrase (either an adverb or a noun). Within any given phrase there is always one word that is the main contents of that phrase. This is known as the nucleus of the phrase. In Hîsyêô, the nucleus is the first word in a phrase. Regardless of whether the base type of the word is a verb, noun, or adjective, the word always takes on the form that the preposition particle demands. The nucleus of a verb phrase is the direct object (a noun), the nucleus of a subject or semantic phrase is a noun. The nucleus of a manner/material phrase is an adverb. Hîsyêô technically has a nucleus in the middle of a phrase because determiners go to the left of the nucleus and adjectives to the right.

Sentence Types

Simple

A simple sentence consists of a single independent clause with no dependent clauses.

Compound

A compound sentence consists of multiple independent clauses with no dependent clauses. These clauses are joined together using conjunctions.

Complex

A complex sentence consists of one independent clause and at least one dependent clause.

Compound-Complex

A compound–complex sentence (or complex–compound sentence) consists of multiple independent clauses, at least one of which has at least one dependent clause.