---
title: Electric eels are not true eels but a kind of knifefish. — Animals in the sea and the river · tree and pragmatics
description: Electric eels are not true eels but a kind of knifefish. Who acts: Electric eels. A sentence of the lesson «Animals in the sea and the river» of the myths course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Animals in the sea and the river, sentence 16

<!-- .ven lang=en -->
Electric eels are not true eels but a kind of knifefish.

<!-- .vintro -->
**Who acts:** Electric eels · **What happens:** not be · **To what, where:** true eels

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This is a sentence of the lesson «Animals in the sea and the river» of the myths course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Electric eels), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:myths:011-animals-in-the-sea-and-the-river.lesson:16
# text = Electric eels are not true eels but a kind of knifefish.
# source = school lesson (ours)
# course = myths
# lesson = 011-animals-in-the-sea-and-the-river.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R8-pos-agree ×1
1	Electric	electric	ADJ	JJ	Degree=Pos	2	amod	_	_
2	eels	eel	NOUN	NNS	Number=Plur	6	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	not	not	PART	RB	Polarity=Neg	6	advmod	_	_
5	true	true	ADJ	JJ	Degree=Pos	6	amod	_	_
6	eels	eel	NOUN	NNS	Number=Plur	0	root	_	_
7	but	but	CCONJ	CC	_	9	cc	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	kind	kind	NOUN	NN	Number=Sing	6	conj	_	_
10	of	of	ADP	IN	_	11	case	_	_
11	knifefish	knifefish	NOUN	NN	Number=Sing	9	nmod	_	Agree=R8-pos-agree|Haiku=9:nmod|HaikuPos=NOUN:NNS:Number=Plur
12	.	.	PUNCT	.	_	6	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **is a** | present | Electric eels | true eels but a kind of knifefish |  |  |  |  | tree rules |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:myths:011-animals-in-the-sea-and-the-river.lesson:16`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R8-pos-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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