---
title: Sharks have tiny jelly-filled pores on their snouts, called ampullae… — Electric senses: electric eels, sharks, the plat… · tree and pragmatics
description: Sharks have tiny jelly-filled pores on their snouts, called ampullae of Lorenzini, that feel the weak electricity of a fish's muscles and heartbeat, even when it is buried in sand. Who acts: Sharks, tiny filled pores. A sentence of the lesson «Electric senses: electric eels, sharks, the platypus bil
---

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# Electric senses: electric eels, sharks, the platypus bill and charged bees, sentence 9

<!-- .ven lang=en -->
Sharks have tiny jelly-filled pores on their snouts, called ampullae of Lorenzini, that feel the weak electricity of a fish's muscles and heartbeat, even when it is buried in sand.

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**Who acts:** Sharks, tiny filled pores · **What happens:** have, fill, call, feel, bury, electrify · **To what, where:** tiny filled pores, snouts, ampullae, weak electricity, shark, sand · **Speech:** someone speaks here

<!-- .vabout -->
This is a sentence of the lesson «Electric senses: electric eels, sharks, the platypus bill and charged bees» of the biology 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 (Sharks, tiny filled pores), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:231-electric-senses-eels-sharks-the-platypus-and-charged-bees.lesson:9
# text = Sharks have tiny jelly-filled pores on their snouts, called ampullae of Lorenzini, that feel the weak electricity of a fish's muscles and heartbeat, even when it is buried in sand.
# source = school lesson (ours)
# course = biology
# lesson = 231-electric-senses-eels-sharks-the-platypus-and-charged-bees.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): R5-strong ×3, R8-pos-agree ×1
1	Sharks	shark	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	tiny	tiny	ADJ	JJ	Degree=Pos	7	amod	_	_
4	jelly	jelly	NOUN	NN	Number=Sing	6	compound	_	_
5	-	-	PUNCT	HYPH	_	4	punct	_	_
6	filled	fill	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	amod	_	_
7	pores	pore	NOUN	NNS	Number=Plur	2	obj	_	_
8	on	on	ADP	IN	_	10	case	_	_
9	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
10	snouts	snout	NOUN	NNS	Number=Plur	7	nmod	_	_
11	,	,	PUNCT	,	_	12	punct	_	_
12	called	call	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	acl	_	Agree=R5-strong|Haiku=10:acl
13	ampullae	ampulla	NOUN	NN	Number=Sing	12	xcomp	_	Agree=R8-pos-agree|Haiku=12:xcomp|HaikuPos=NOUN:NNS:Number=Plur
14	of	of	ADP	IN	_	15	case	_	_
15	Lorenzini	Lorenzini	PROPN	NNP	Number=Sing	13	nmod	_	_
16	,	,	PUNCT	,	_	18	punct	_	_
17	that	that	PRON	WDT	PronType=Rel	18	nsubj	_	_
18	feel	feel	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	acl:relcl	_	Agree=R5-strong|Haiku=13:acl:relcl|HaikuPos=VERB:VB:VerbForm=Inf
19	the	the	DET	DT	Definite=Def|PronType=Art	21	det	_	_
20	weak	weak	ADJ	JJ	Degree=Pos	21	amod	_	_
21	electricity	electricity	NOUN	NN	Number=Sing	18	obj	_	_
22	of	of	ADP	IN	_	26	case	_	_
23	a	a	DET	DT	Definite=Ind|PronType=Art	24	det	_	_
24	fish	fish	NOUN	NN	Number=Sing	26	nmod:poss	_	_
25	's	's	PART	POS	_	24	case	_	_
26	muscles	muscle	NOUN	NNS	Number=Plur	21	nmod	_	_
27	and	and	CCONJ	CC	_	28	cc	_	_
28	heartbeat	heartbeat	NOUN	NN	Number=Sing	26	conj	_	_
29	,	,	PUNCT	,	_	34	punct	_	_
30	even	even	ADV	RB	_	34	advmod	_	Agree=R5-strong|Haiku=31:advmod
31	when	when	SCONJ	WRB	_	34	mark	_	_
32	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	34	nsubj:pass	_	_
33	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	34	aux:pass	_	_
34	buried	bury	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	18	advcl	_	_
35	in	in	ADP	IN	_	36	case	_	_
36	sand	sand	NOUN	NN	Number=Sing	34	obl	_	_
37	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- 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 | Sharks | tiny filled pores |  | pores's snouts |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent pore=Patient |
| 2 | **fill** | participle |  |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 3 | **call** | participle | tiny filled pores *not said here* | ampullae of Lorenzini |  |  |  |  | vn initiate\_communication-37.4.2-1 «NP V»: agent=Agent |
| 4 | **feel** | present | tiny filled pores | the weak electricity of a fish's muscles and heartbeat |  |  |  |  | vn hunt-35.1 «NP V NP»: agent=Agent electricity=Theme |
| 5 | **bury** | present · passive |  | shark |  | sand |  |  | vn put-9.1-1 «NP V NP PP.destination»: subject=Theme in sand=Destination |
| 6 | **electrify** |  |  | a fish's muscles and heartbeat |  |  |  |  | nom electricity «phenomenon transitive»: of=patient |

<!-- .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:biology:231-electric-senses-eels-sharks-the-platypus-and-charged-bees.lesson:9`.

**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): R5-strong ×3, 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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