---
title: Those teeth sit in rows like a conveyor belt; when one breaks a new… — Sharks · tree and pragmatics
description: Those teeth sit in rows like a conveyor belt; when one breaks a new one moves forward, so some sharks lose tens of thousands in a lifetime, and that is why a sandy beach can be full of tiny black shark teeth. Who acts: teeth, one, new one, sharks. A sentence of the lesson «Sharks» of the biology cou
---

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# Sharks, sentence 1

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Those teeth sit in rows like a conveyor belt; when one breaks a new one moves forward, so some sharks lose tens of thousands in a lifetime, and that is why a sandy beach can be full of tiny black shark teeth.

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**Who acts:** teeth, one, new one, sharks, that, sandy beach · **What happens:** sit, break, move forward, lose, be · **To what, where:** rows, tens, lifetime

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This is a sentence of the lesson «Sharks» 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 (teeth, one, new one, sharks), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:028-sharks.lesson:1
# text = Those teeth sit in rows like a conveyor belt; when one breaks a new one moves forward, so some sharks lose tens of thousands in a lifetime, and that is why a sandy beach can be full of tiny black shark teeth.
# source = school lesson (ours)
# course = biology
# lesson = 028-sharks.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): R8-pos-agree ×2
1	Those	that	DET	DT	Number=Plur|PronType=Dem	2	det	_	_
2	teeth	tooth	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	sit	sit	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	rows	row	NOUN	NNS	Number=Plur	3	obl	_	_
6	like	like	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	conveyor	conveyor	NOUN	NN	Number=Sing	9	compound	_	_
9	belt	belt	NOUN	NN	Number=Sing	5	nmod	_	_
10	;	;	PUNCT	,	_	13	punct	_	_
11	when	when	ADV	WRB	PronType=Int	13	advmod	_	_
12	one	one	PRON	PRP	Number=Sing|Person=3|PronType=Prs	13	nsubj	_	Agree=R8-pos-agree|Haiku=13:nsubj|HaikuPos=NUM:CD:NumForm=Word|NumType=Card
13	breaks	break	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
15	new	new	ADJ	JJ	Degree=Pos	16	amod	_	_
16	one	one	NOUN	NN	Number=Sing	17	nsubj	_	_
17	moves	move	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	ccomp	_	_
18	forward	forward	ADV	RB	_	17	advmod	_	_
19	,	,	PUNCT	,	_	23	punct	_	_
20	so	so	ADV	RB	_	23	advmod	_	_
21	some	some	DET	DT	PronType=Ind	22	det	_	_
22	sharks	shark	NOUN	NNS	Number=Plur	23	nsubj	_	_
23	lose	lose	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	17	conj	_	_
24	tens	ten	NOUN	NNS	Number=Plur	23	obj	_	_
25	of	of	ADP	IN	_	26	case	_	_
26	thousands	thousand	NOUN	NNS	Number=Plur	24	nmod	_	_
27	in	in	ADP	IN	_	29	case	_	_
28	a	a	DET	DT	Definite=Ind|PronType=Art	29	det	_	_
29	lifetime	lifetime	NOUN	NN	Number=Sing	23	obl	_	_
30	,	,	PUNCT	,	_	34	punct	_	_
31	and	and	CCONJ	CC	_	34	cc	_	_
32	that	that	PRON	DT	Number=Sing|PronType=Dem	34	nsubj	_	_
33	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	34	cop	_	_
34	why	why	ADV	WRB	PronType=Int	3	conj	_	_
35	a	a	DET	DT	Definite=Ind|PronType=Art	37	det	_	_
36	sandy	sandy	ADJ	JJ	Degree=Pos	37	amod	_	_
37	beach	beach	NOUN	NN	Number=Sing	40	nsubj	_	_
38	can	can	AUX	MD	VerbForm=Fin	40	aux	_	_
39	be	be	AUX	VB	VerbForm=Inf	40	cop	_	_
40	full	full	ADJ	JJ	Degree=Pos	34	acl:relcl	_	_
41	of	of	ADP	IN	_	45	case	_	_
42	tiny	tiny	ADJ	JJ	Degree=Pos	45	amod	_	_
43	black	black	ADJ	JJ	Degree=Pos	45	amod	_	_
44	shark	shark	NOUN	NN	Number=Sing	45	compound	_	_
45	teeth	tooth	NOUN	NNS	Number=Plur	40	obl	_	Agree=R8-pos-agree|Haiku=40:obl|HaikuPos=NOUN:NN:Number=Sing
46	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sit** | present | that teeth |  |  | rows like a conveyor belt |  |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent in row=Location |
| 2 | **break** | present | one |  |  |  |  |  | tree rules |
| 3 | **move forward** | present | a new one |  |  |  |  | forward *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 4 | **lose** | present | some sharks | tens of thousands |  | a lifetime |  |  | vn succeed-74-3-1 «NP V NP»: agent=Agent ten=Eventuality |
| 5 | **is** | present | that |  |  |  |  | why *property* | tree rules |
| 6 | **is** | can | a sandy beach |  |  |  |  | of tiny black shark teeth; full *property* | tree rules |

<!-- .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:028-sharks.lesson:1`.

**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): R8-pos-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/).

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