Trivalent Verb Agreement (NOR-NORI-NORK) in Basque

Overview

The NOR-NORI-NORK auxiliary paradigm is the most complex in Basque, encoding agreement with three arguments simultaneously: the absolutive (NOR — what), the dative (NORI — to whom), and the ergative (NORK — by whom). At the C1 level, full mastery of this paradigm is necessary for accurate, natural expression with verbs like eman (give), esan (tell), bidali (send), erakutsi (show), and ekarri (bring).

A single auxiliary form like dizut encodes: I (ergative) + it (absolutive singular) + to you (dative). The form dizkiot encodes: I (ergative) + them (absolutive plural) + to him/her (dative). This extreme morphological density is one of Basque's most distinctive features and a major milestone for advanced learners.

The paradigm has both present and past forms, and the number of the absolutive (singular vs. plural) creates two sub-paradigms. Full command of these forms enables precise, unambiguous expression in complex communicative situations.

How It Works

Present tense, singular absolutive (I gave IT to ...):

NORK \ NORI	niri	zuri	hari	guri	haiei
nik	—	dizut	diot	—	diet
zuk	didazu	—	diozu	diguzu	diezu
hark	dit	dizu	dio	digu	die
guk	—	dizugu	diogu	—	diegu
haiek	didate	dizute	diote	digute	diete

Present tense, plural absolutive (I gave THEM to ...):

NORK \ NORI	niri	zuri	hari	guri	haiei
nik	—	dizkizut	dizkiot	—	dizkiet
zuk	dizkidazu	—	dizkiozu	dizkiguzu	dizkiezu
hark	dizkit	dizkizu	dizkio	dizkigu	dizkie
guk	—	dizkizugu	dizkiogu	—	dizkiegu
haiek	dizkidate	dizkizute	dizkiote	dizkigute	dizkiete

Structure of the auxiliary:

• d- = third person absolutive
• -i- = dative marker
• -zk- = plural absolutive marker
• Final element = ergative person

Examples in Context

Basque	English	Note
Nik zuri liburua eman dizut.	I have given the book to you.	I→you, singular
Hark niri gutunak bidali dizkit.	He/She sent letters to me.	He→me, plural
Guk haiei egia esan diegu.	We told them the truth.	We→them, singular
Zuek niri laguntza eskaini didazue.	You (pl.) offered help to me.	You pl.→me
Hark hari liburua erakutsi dio.	He/She showed him/her the book.	He→him/her
Nik haiei opari bat eraman diet.	I brought them a gift.	I→them, singular
Zuk niri hori esan didazu.	You told me that.	You→me
Hark guri guztia azaldu digu.	He/She explained everything to us.	He→us
Nik zuri loreak ekarri dizkizut.	I brought you flowers.	I→you, plural
Haiek hari mezua bidali diote.	They sent him/her a message.	They→him/her

Common Mistakes

Using NOR-NORK auxiliary when dative is present

• Wrong: Nik zuri liburua eman dut. (NOR-NORK instead of NOR-NORI-NORK)
• Right: Nik zuri liburua eman dizut.
• Why: When a dative argument (zuri) is present, you must use the trivalent auxiliary. Using the bivalent form ignores the indirect object.

Forgetting the plural absolutive marker -zk-

• Wrong: Hark niri gutunak bidali dit. (singular form for plural object)
• Right: Hark niri gutunak bidali dizkit.
• Why: When the direct object is plural (gutunak), the auxiliary must contain -zk-: dizkit, dizkizu, dizkio, etc.

Mixing up dative persons in the auxiliary

• Wrong: Nik hari esan dizut. (using "to you" form for "to him/her")
• Right: Nik hari esan diot. (correct "to him/her" form)
• Why: Each dative person has a unique auxiliary form. Dizut = to you, diot = to him/her. They cannot be interchanged.

Usage Notes

The NOR-NORI-NORK paradigm is the pinnacle of Basque verbal morphology. Native speakers acquire these forms naturally, but for learners, systematic memorization and extensive practice are necessary. The good news is that the forms follow internal patterns: the dative marker -i- appears in all forms, -zk- marks plural absolutive, and the endings consistently encode the ergative person. In spoken Basque, some simplification occurs in fast speech, but the forms remain distinct. Full mastery of this paradigm is a clear marker of advanced proficiency and is particularly important for writing, formal communication, and professional contexts.

Practice Tips

1. Start with the most common combinations: diot (I→him/her), dizut (I→you), dit (he/she→me), digu (he/she→us). Build sentences with each.
2. Practice with the verb eman (give): systematically work through who gives what to whom, changing each argument.
3. Create a grid on paper and fill in forms, testing yourself daily until the paradigm becomes automatic.

Related Concepts

• Dative Case
• Causative Constructions