---
title: They did not crush themselves because their bones were full of air p… — The long-necked giants: Diplodocus, Brachiosauru… · tree and pragmatics
description: They did not crush themselves because their bones were full of air pockets, like a bird's, which made the skeleton lighter and helped them breathe. Who acts: tonnes, bones, air pockets. A sentence of the lesson «The long-necked giants: Diplodocus, Brachiosaurus, Argentinosaurus and Brontosaurus» of 
---

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# The long-necked giants: Diplodocus, Brachiosaurus, Argentinosaurus and Brontosaurus, sentence 2

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They did not crush themselves because their bones were full of air pockets, like a bird's, which made the skeleton lighter and helped them breathe.

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**Who acts:** tonnes, bones, air pockets · **What happens:** not crush, be, make, help, breathe · **To what, where:** tonnes, skeleton

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This is a sentence of the lesson «The long-necked giants: Diplodocus, Brachiosaurus, Argentinosaurus and Brontosaurus» 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 (tonnes, bones, air pockets), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:266-the-long-necked-giants-sauropods.lesson:2
# text = They did not crush themselves because their bones were full of air pockets, like a bird's, which made the skeleton lighter and helped them breathe.
# source = school lesson (ours)
# course = biology
# lesson = 266-the-long-necked-giants-sauropods.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): no change
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	4	nsubj	_	_
2	did	do	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	crush	crush	VERB	VB	VerbForm=Inf	0	root	_	_
5	themselves	themselves	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs|Reflex=Yes	4	obj	_	_
6	because	because	SCONJ	IN	_	10	mark	_	_
7	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
8	bones	bone	NOUN	NNS	Number=Plur	10	nsubj	_	_
9	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	10	cop	_	_
10	full	full	ADJ	JJ	Degree=Pos	4	advcl	_	_
11	of	of	ADP	IN	_	13	case	_	_
12	air	air	NOUN	NN	Number=Sing	13	compound	_	_
13	pockets	pocket	NOUN	NNS	Number=Plur	10	obl	_	_
14	,	,	PUNCT	,	_	17	punct	_	_
15	like	like	ADP	IN	_	17	case	_	_
16	a	a	DET	DT	Definite=Ind|PronType=Art	17	det	_	_
17	bird	bird	NOUN	NN	Number=Sing	13	nmod	_	_
18	's	's	PART	POS	_	17	case	_	_
19	,	,	PUNCT	,	_	21	punct	_	_
20	which	which	PRON	WDT	PronType=Rel	21	nsubj	_	_
21	made	make	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	13	acl:relcl	_	_
22	the	the	DET	DT	Definite=Def|PronType=Art	23	det	_	_
23	skeleton	skeleton	NOUN	NN	Number=Sing	21	obj	_	_
24	lighter	lighter	ADJ	JJR	Degree=Cmp	21	xcomp	_	_
25	and	and	CCONJ	CC	_	26	cc	_	_
26	helped	help	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	21	conj	_	_
27	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	26	obj	_	_
28	breathe	breathe	VERB	VB	VerbForm=Inf	26	xcomp	_	_
29	.	.	PUNCT	.	_	4	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 | **not** **crush** | past · do-support | tonnes *= tonne* | tonnes *= tonne* |  |  |  |  | vn carve-21.2-1 «NP V NP»: agent=Agent themselves=Patient |
| 2 | **is** | past | tonnes's bones |  |  |  |  | of air pockets like a bird; full *property* | tree rules |
| 3 | **make** | past | air pockets like a bird | the skeleton |  |  |  | lighter *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset skeleton=Product |
| 4 | **help** | past | air pockets like a bird *not said here* | tonnes *= tonne* |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent they=Beneficiary clause=Theme |
| 5 | **breathe** | infinitive | tonnes *= tonne* *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:266-the-long-necked-giants-sauropods.lesson:2`.

**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): no change. **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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