---
title: Some sharks, like the nurse shark, can rest on the bottom and pump w… — The aquarium: the shark tunnel and the rays · tree and pragmatics
description: Some sharks, like the nurse shark, can rest on the bottom and pump water over their gills, but others, like the great white, must keep swimming to breathe. Who acts: sharks, others. A sentence of the lesson «The aquarium: the shark tunnel and the rays» of the biology course of Mova's primary school 
---

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# The aquarium: the shark tunnel and the rays, sentence 15

<!-- .ven lang=en -->
Some sharks, like the nurse shark, can rest on the bottom and pump water over their gills, but others, like the great white, must keep swimming to breathe.

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**Who acts:** sharks, others · **What happens:** rest, keep, swim, breathe · **To what, where:** bottom

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This is a sentence of the lesson «The aquarium: the shark tunnel and the rays» 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, others), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:091-the-aquarium-the-shark-tunnel-and-the-rays.lesson:15
# text = Some sharks, like the nurse shark, can rest on the bottom and pump water over their gills, but others, like the great white, must keep swimming to breathe.
# source = school lesson (ours)
# course = biology
# lesson = 091-the-aquarium-the-shark-tunnel-and-the-rays.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 ×2, R6-punct-agree ×1, R7-rel-agree ×1, R8-pos-agree ×1
1	Some	some	DET	DT	PronType=Ind	2	det	_	_
2	sharks	shark	NOUN	NNS	Number=Plur	10	nsubj	_	_
3	,	,	PUNCT	,	_	7	punct	_	_
4	like	like	ADP	IN	_	7	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	nurse	nurse	NOUN	NN	Number=Sing	7	compound	_	_
7	shark	shark	NOUN	NN	Number=Sing	2	nmod	_	_
8	,	,	PUNCT	,	_	7	punct	_	_
9	can	can	AUX	MD	VerbForm=Fin	10	aux	_	_
10	rest	rest	VERB	VB	VerbForm=Inf	0	root	_	_
11	on	on	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	bottom	bottom	NOUN	NN	Number=Sing	10	obl	_	_
14	and	and	CCONJ	CC	_	16	cc	_	_
15	pump	pump	NOUN	NN	Number=Sing	10	conj	_	Agree=R5-strong|Haiku=16:compound
16	water	water	NOUN	NN	Number=Sing	13	conj	_	_
17	over	over	ADP	IN	_	19	case	_	_
18	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	19	nmod:poss	_	_
19	gills	gill	NOUN	NNS	Number=Plur	15	obl	_	Agree=R5-strong|Haiku=10:obl
20	,	,	PUNCT	,	_	30	punct	_	Agree=R6-punct-agree|Haiku=22:punct
21	but	but	CCONJ	CC	_	22	cc	_	_
22	others	other	NOUN	NNS	Number=Plur	30	nsubj	_	_
23	,	,	PUNCT	,	_	30	punct	_	_
24	like	like	ADP	IN	_	27	case	_	_
25	the	the	DET	DT	Definite=Def|PronType=Art	27	det	_	_
26	great	great	ADJ	JJ	Degree=Pos	27	amod	_	_
27	white	white	ADJ	JJ	Degree=Pos	22	nmod	_	Agree=R8-pos-agree|Haiku=22:nmod|HaikuPos=NOUN:NN:Number=Sing
28	,	,	PUNCT	,	_	27	punct	_	_
29	must	must	AUX	MD	VerbForm=Fin	30	aux	_	_
30	keep	keep	VERB	VB	VerbForm=Inf	10	conj	_	_
31	swimming	swim	VERB	VBG	VerbForm=Ger	30	xcomp	_	_
32	to	to	PART	TO	_	33	mark	_	_
33	breathe	breathe	VERB	VB	VerbForm=Inf	31	advcl	_	Agree=R7-rel-agree|Haiku=31:xcomp
34	.	.	PUNCT	.	_	10	punct	_	_
```

## Pragmatics {#pragmatics}

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

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **rest** | can | some sharks like the nurse shark |  |  | the bottom and water |  |  | vn spatial\_configuration-47.6-1 «NP V PP.location»: agent=Theme on bottom=Location |
| 2 | **keep** | must | others like the great white |  |  |  |  |  | tree rules |
| 3 | **swim** | gerund | others like the great white *not said here* |  |  |  |  |  | vn run-51.3.2-1 «NP V»: agent=Theme |
| 4 | **breathe** | to-infinitive | others like the great white *not said here* |  |  |  |  |  | vn breathe-40.1.2-1 «NP V»: agent=Agent |

<!-- .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:091-the-aquarium-the-shark-tunnel-and-the-rays.lesson:15`.

**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 ×2, R6-punct-agree ×1, R7-rel-agree ×1, 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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