---
title: An electric eel has special cells that work like hundreds of tiny ba… — Electricity and safety · tree and pragmatics
description: An electric eel has special cells that work like hundreds of tiny batteries in a row, and a large eel can knock a person over. Who acts: electric eel, special cells, large eel. A sentence of the lesson «Electricity and safety» of the physics course of Mova's primary school with its dependency tree a
---

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# Electricity and safety, sentence 13

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An electric eel has special cells that work like hundreds of tiny batteries in a row, and a large eel can knock a person over.

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**Who acts:** electric eel, special cells, large eel · **What happens:** have, work, knock over · **To what, where:** special cells, person

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This is a sentence of the lesson «Electricity and safety» of the physics 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 eel, special cells, large eel), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:028-electricity-and-safety.lesson:13
# text = An electric eel has special cells that work like hundreds of tiny batteries in a row, and a large eel can knock a person over.
# source = school lesson (ours)
# course = physics
# lesson = 028-electricity-and-safety.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): R1-cc-next ×1
1	An	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	electric	electric	ADJ	JJ	Degree=Pos	3	amod	_	_
3	eel	eel	NOUN	NN	Number=Sing	4	nsubj	_	_
4	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	special	special	ADJ	JJ	Degree=Pos	6	amod	_	_
6	cells	cell	NOUN	NNS	Number=Plur	4	obj	_	_
7	that	that	PRON	WDT	PronType=Rel	8	nsubj	_	_
8	work	work	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	_
9	like	like	ADP	IN	_	10	case	_	_
10	hundreds	hundred	NOUN	NNS	Number=Plur	8	obl	_	_
11	of	of	ADP	IN	_	13	case	_	_
12	tiny	tiny	ADJ	JJ	Degree=Pos	13	amod	_	_
13	batteries	battery	NOUN	NNS	Number=Plur	10	nmod	_	_
14	in	in	ADP	IN	_	16	case	_	_
15	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
16	row	row	NOUN	NN	Number=Sing	13	nmod	_	_
17	,	,	PUNCT	,	_	4	punct	_	_
18	and	and	CCONJ	CC	_	23	cc	_	Agree=R1-cc-next|Haiku=4:cc
19	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
20	large	large	ADJ	JJ	Degree=Pos	21	amod	_	_
21	eel	eel	NOUN	NN	Number=Sing	23	nsubj	_	_
22	can	can	AUX	MD	VerbForm=Fin	23	aux	_	_
23	knock	knock	VERB	VB	VerbForm=Inf	4	conj	_	_
24	a	a	DET	DT	Definite=Ind|PronType=Art	25	det	_	_
25	person	person	NOUN	NN	Number=Sing	23	obj	_	_
26	over	over	ADP	RP	_	23	compound:prt	_	_
27	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | a electric eel | special cells |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent cell=Patient |
| 2 | **work** | present | special cells |  |  |  |  | like hundreds of tiny batteries in a row | vn employment-95.3 «NP V»: agent=Agent |
| 3 | **knock over** | can | a large eel | a person |  |  |  |  | vn split-23.2 «NP V NP apart»: agent=Agent person=Patient |

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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:physics:028-electricity-and-safety.lesson:13`.

**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): R1-cc-next ×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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