---
title: Twelve pairs of ribs curve round from the spine like a cage, guardin… — Bones by name: the skull, jaw, spine and ribs · tree and pragmatics
description: Twelve pairs of ribs curve round from the spine like a cage, guarding the heart and lungs while still letting the chest swell when you breathe. Who acts: Twelve pairs, chest, you. A sentence of the lesson «Bones by name: the skull, jaw, spine and ribs» of the biology course of Mova's primary school 
---

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# Bones by name: the skull, jaw, spine and ribs, sentence 3

<!-- .ven lang=en -->
Twelve pairs of ribs curve round from the spine like a cage, guarding the heart and lungs while still letting the chest swell when you breathe.

<!-- .vintro -->
**Who acts:** Twelve pairs, chest, you · **What happens:** curve, guard, let, swell, breathe · **To what, where:** spine, heart

<!-- .vabout -->
This is a sentence of the lesson «Bones by name: the skull, jaw, spine and ribs» 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 (Twelve pairs, chest, you), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:357-bones-by-name-the-skull-jaw-spine-and-ribs.lesson:3
# text = Twelve pairs of ribs curve round from the spine like a cage, guarding the heart and lungs while still letting the chest swell when you breathe.
# source = school lesson (ours)
# course = biology
# lesson = 357-bones-by-name-the-skull-jaw-spine-and-ribs.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 ×1, R7-rel-agree ×1
1	Twelve	twelve	NUM	CD	NumForm=Word|NumType=Card	2	nummod	_	_
2	pairs	pair	NOUN	NNS	Number=Plur	5	nsubj	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	ribs	rib	NOUN	NNS	Number=Plur	2	nmod	_	_
5	curve	curve	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	round	round	ADV	RB	_	5	advmod	_	_
7	from	from	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	spine	spine	NOUN	NN	Number=Sing	5	obl	_	_
10	like	like	ADP	IN	_	12	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	cage	cage	NOUN	NN	Number=Sing	5	obl	_	Agree=R5-strong|Haiku=9:nmod
13	,	,	PUNCT	,	_	14	punct	_	_
14	guarding	guard	VERB	VBG	Tense=Pres|VerbForm=Part	5	advcl	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	heart	heart	NOUN	NN	Number=Sing	14	obj	_	_
17	and	and	CCONJ	CC	_	18	cc	_	_
18	lungs	lung	NOUN	NNS	Number=Plur	16	conj	_	_
19	while	while	SCONJ	IN	_	21	mark	_	_
20	still	still	ADV	RB	_	21	advmod	_	_
21	letting	let	VERB	VBG	Tense=Pres|VerbForm=Part	14	advcl	_	Agree=R7-rel-agree|Haiku=14:conj
22	the	the	DET	DT	Definite=Def|PronType=Art	23	det	_	_
23	chest	chest	NOUN	NN	Number=Sing	24	nsubj	_	_
24	swell	swell	VERB	VB	VerbForm=Inf	21	xcomp	_	_
25	when	when	SCONJ	WRB	_	27	advmod	_	_
26	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	27	nsubj	_	_
27	breathe	breathe	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	24	advcl	_	_
28	.	.	PUNCT	.	_	5	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 | **curve** | present | Twelve pairs of ribs |  |  | the spine |  | like a cage; round *property* | vn knead-26.5 «NP.material V PP.product»: agent=Material |
| 2 | **guard** | gerund | Twelve pairs of ribs *not said here* | the heart and lungs |  |  |  |  | vn defend-72.3 «NP V NP»: agent=Agent heart=Beneficiary |
| 3 | **let** | gerund | Twelve pairs of ribs *not said here* |  |  |  | still |  | tree rules |
| 4 | **swell** | infinitive | the chest |  |  |  |  |  | vn calibratable\_cos-45.6.1-1 «NP.attribute V»: agent=Attribute |
| 5 | **breathe** | present | you |  |  |  |  |  | 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:357-bones-by-name-the-skull-jaw-spine-and-ribs.lesson:3`.

**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 ×1, R7-rel-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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