---
title: Some reef sharks can rest on the sea floor and still breathe, and sh… — Reef giants and wanderers: whale sharks, mantas,… · tree and pragmatics
description: Some reef sharks can rest on the sea floor and still breathe, and sharks have been around for hundreds of millions of years, longer than trees. Who acts: reef sharks, sharks. A sentence of the lesson «Reef giants and wanderers: whale sharks, mantas, dugongs and sea turtles» of the biology course of 
---

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# Reef giants and wanderers: whale sharks, mantas, dugongs and sea turtles, sentence 10

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Some reef sharks can rest on the sea floor and still breathe, and sharks have been around for hundreds of millions of years, longer than trees.

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**Who acts:** reef sharks, sharks · **What happens:** rest, breathe, be · **To what, where:** sea floor

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This is a sentence of the lesson «Reef giants and wanderers: whale sharks, mantas, dugongs and sea turtles» 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 (reef sharks, sharks), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:174-reef-giants-and-wanderers-whale-sharks-mantas-dugongs-and-sea-turtles.lesson:10
# text = Some reef sharks can rest on the sea floor and still breathe, and sharks have been around for hundreds of millions of years, longer than trees.
# source = school lesson (ours)
# course = biology
# lesson = 174-reef-giants-and-wanderers-whale-sharks-mantas-dugongs-and-sea-turtles.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): R3-conj-first ×1
1	Some	some	DET	DT	PronType=Ind	3	det	_	_
2	reef	reef	NOUN	NN	Number=Sing	3	compound	_	_
3	sharks	shark	NOUN	NNS	Number=Plur	5	nsubj	_	_
4	can	can	AUX	MD	VerbForm=Fin	5	aux	_	_
5	rest	rest	VERB	VB	VerbForm=Inf	0	root	_	_
6	on	on	ADP	IN	_	9	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	sea	sea	NOUN	NN	Number=Sing	9	compound	_	_
9	floor	floor	NOUN	NN	Number=Sing	5	obl	_	_
10	and	and	CCONJ	CC	_	12	cc	_	_
11	still	still	ADV	RB	_	12	advmod	_	_
12	breathe	breathe	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
13	,	,	PUNCT	,	_	18	punct	_	_
14	and	and	CCONJ	CC	_	18	cc	_	_
15	sharks	shark	NOUN	NNS	Number=Plur	18	nsubj	_	_
16	have	have	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	18	aux	_	_
17	been	be	AUX	VBN	Tense=Past|VerbForm=Part	18	cop	_	_
18	around	around	ADV	RB	_	5	conj	_	Agree=R3-conj-first|Haiku=12:conj
19	for	for	ADP	IN	_	20	case	_	_
20	hundreds	hundred	NOUN	NNS	Number=Plur	18	obl	_	_
21	of	of	ADP	IN	_	22	case	_	_
22	millions	million	NOUN	NNS	Number=Plur	20	nmod	_	_
23	of	of	ADP	IN	_	24	case	_	_
24	years	year	NOUN	NNS	Number=Plur	22	nmod	_	_
25	,	,	PUNCT	,	_	26	punct	_	_
26	longer	long	ADJ	JJR	Degree=Cmp	22	amod	_	_
27	than	than	ADP	IN	_	28	case	_	_
28	trees	tree	NOUN	NNS	Number=Plur	26	obl	_	_
29	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

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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 reef sharks |  |  | the sea floor |  |  | vn spatial\_configuration-47.6-1 «NP V PP.location»: agent=Theme on floor=Location |
| 2 | **breathe** | present | some reef sharks *not said here* |  |  |  | still |  | vn breathe-40.1.2-1 «NP V»: agent=Agent |
| 3 | **is** | present · perfect | sharks |  |  |  |  | for hundreds of millions of years; around *property* | tree rules |

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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:biology:174-reef-giants-and-wanderers-whale-sharks-mantas-dugongs-and-sea-turtles.lesson:10`.

**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): R3-conj-first ×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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