---
title: Some sharks, like great whites, must keep swimming to breathe; other… — Animals in the sea and the river · tree and pragmatics
description: Some sharks, like great whites, must keep swimming to breathe; others, like nurse sharks, can rest on the seabed and pump water over their gills. Who acts: sharks, others. A sentence of the lesson «Animals in the sea and the river» of the myths course of Mova's primary school with its dependency tre
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/myths/11-animals-in-the-sea-and-the-river/8/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Myths](https://md.mova.elamur.ai/free/en/corpora/school/myths/) / [Animals in the sea and the river](https://md.mova.elamur.ai/free/en/corpora/school/myths/11-animals-in-the-sea-and-the-river/) / 8

# Animals in the sea and the river, sentence 8

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

<!-- .vintro -->
**Who acts:** sharks, others · **What happens:** keep, swim, breathe, rest, pump · **To what, where:** seabed, water, gills

<!-- .vabout -->
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 (sharks, others), 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:8
# text = Some sharks, like great whites, must keep swimming to breathe; others, like nurse sharks, can rest on the seabed and pump water over their gills.
# 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): R1-cc-next ×1, R7-rel-agree ×2
1	Some	some	DET	DT	PronType=Ind	2	det	_	_
2	sharks	shark	NOUN	NNS	Number=Plur	9	nsubj	_	_
3	,	,	PUNCT	,	_	6	punct	_	_
4	like	like	ADP	IN	_	6	case	_	_
5	great	great	ADJ	JJ	Degree=Pos	6	amod	_	_
6	whites	white	NOUN	NNS	Number=Plur	2	nmod	_	Agree=R7-rel-agree|Haiku=2:conj
7	,	,	PUNCT	,	_	2	punct	_	_
8	must	must	AUX	MD	VerbForm=Fin	9	aux	_	_
9	keep	keep	VERB	VB	VerbForm=Inf	0	root	_	_
10	swimming	swim	VERB	VBG	VerbForm=Ger	9	xcomp	_	_
11	to	to	PART	TO	_	12	mark	_	_
12	breathe	breathe	VERB	VB	VerbForm=Inf	10	advcl	_	_
13	;	;	PUNCT	,	_	14	punct	_	_
14	others	other	NOUN	NNS	Number=Plur	21	nsubj	_	_
15	,	,	PUNCT	,	_	18	punct	_	_
16	like	like	ADP	IN	_	18	case	_	_
17	nurse	nurse	NOUN	NN	Number=Sing	18	compound	_	_
18	sharks	shark	NOUN	NNS	Number=Plur	14	nmod	_	_
19	,	,	PUNCT	,	_	21	punct	_	_
20	can	can	AUX	MD	VerbForm=Fin	21	aux	_	_
21	rest	rest	VERB	VB	VerbForm=Inf	9	conj	_	_
22	on	on	ADP	IN	_	24	case	_	_
23	the	the	DET	DT	Definite=Def|PronType=Art	24	det	_	_
24	seabed	seabed	NOUN	NN	Number=Sing	21	obl	_	_
25	and	and	CCONJ	CC	_	26	cc	_	Agree=R1-cc-next|Haiku=21:cc
26	pump	pump	VERB	VB	VerbForm=Inf	21	conj	_	_
27	water	water	NOUN	NN	Number=Sing	26	obj	_	Agree=R7-rel-agree|Haiku=26:conj
28	over	over	ADP	IN	_	30	case	_	_
29	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	30	nmod:poss	_	_
30	gills	gill	NOUN	NNS	Number=Plur	26	obl	_	_
31	.	.	PUNCT	.	_	9	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 | **keep** | must | some sharks like great whites |  |  |  |  |  | tree rules |
| 2 | **swim** | gerund | some sharks like great whites *not said here* |  |  |  |  |  | vn run-51.3.2-1 «NP V»: agent=Theme |
| 3 | **breathe** | to-infinitive | some sharks like great whites *not said here* |  |  |  |  |  | vn breathe-40.1.2-1 «NP V»: agent=Agent |
| 4 | **rest** | can | others like nurse sharks |  |  | the seabed |  |  | vn spatial\_configuration-47.6-1 «NP V PP.location»: agent=Theme on seabed=Location |
| 5 | **pump** | infinitive | others like nurse sharks *not said here* | water |  | others's gills |  |  | vn spray-9.7-1 «NP V NP PP.destination»: agent=Agent water=Theme over gill=Destination |

<!-- .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.

<!-- div src -->

**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:8`.

**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, R7-rel-agree ×2. **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/).

<!-- /div -->

<!-- pn -->
- ← previous: [Animals in the sea and the river, 6](https://md.mova.elamur.ai/free/en/corpora/school/myths/11-animals-in-the-sea-and-the-river/6/)
- next →: [Animals in the sea and the river, 9](https://md.mova.elamur.ai/free/en/corpora/school/myths/11-animals-in-the-sea-and-the-river/9/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/myths/11-animals-in-the-sea-and-the-river/)

