---
title: A crab's skeleton is on the outside; to grow it climbs out of its ol… — The real animals of the Just So Stories: the wha… · tree and pragmatics
description: A crab's skeleton is on the outside; to grow it climbs out of its old shell, which is called moulting, and it hides for a few days while the new shell hardens. Who acts: skeleton, new shell. A sentence of the lesson «The real animals of the Just So Stories: the whale, camel, rhino, leopard, elephant
---

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# The real animals of the Just So Stories: the whale, camel, rhino, leopard, elephant, kangaroo, armadillo and crab, sentence 18

<!-- .ven lang=en -->
A crab's skeleton is on the outside; to grow it climbs out of its old shell, which is called moulting, and it hides for a few days while the new shell hardens.

<!-- .vintro -->
**Who acts:** skeleton, new shell · **What happens:** be, grow, climb, call, hide, harden · **To what, where:** outside, old shell · **Speech:** someone speaks here

<!-- .vabout -->
This is a sentence of the lesson «The real animals of the Just So Stories: the whale, camel, rhino, leopard, elephant, kangaroo, armadillo and crab» 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 (skeleton, new shell), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:404-the-real-animals-of-the-just-so-stories-whale-camel-rhino-leopard-elephant-kangaroo-armadillo-crab.lesson:18
# text = A crab's skeleton is on the outside; to grow it climbs out of its old shell, which is called moulting, and it hides for a few days while the new shell hardens.
# source = school lesson (ours)
# course = biology
# lesson = 404-the-real-animals-of-the-just-so-stories-whale-camel-rhino-leopard-elephant-kangaroo-armadillo-crab.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 ×2, R7-rel-agree ×2
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	crab	crab	NOUN	NN	Number=Sing	4	nmod:poss	_	_
3	's	's	PART	POS	_	2	case	_	_
4	skeleton	skeleton	NOUN	NN	Number=Sing	8	nsubj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
6	on	on	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	outside	outside	NOUN	NN	Number=Sing	0	root	_	_
9	;	;	PUNCT	,	_	11	punct	_	_
10	to	to	PART	TO	_	11	mark	_	_
11	grow	grow	VERB	VB	VerbForm=Inf	13	advcl	_	_
12	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	13	nsubj	_	_
13	climbs	climb	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	parataxis	_	Agree=R7-rel-agree|Haiku=8:conj
14	out	out	ADP	IN	_	18	case	_	_
15	of	of	ADP	IN	_	18	case	_	_
16	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	18	nmod:poss	_	_
17	old	old	ADJ	JJ	Degree=Pos	18	amod	_	_
18	shell	shell	NOUN	NN	Number=Sing	13	obl	_	_
19	,	,	PUNCT	,	_	22	punct	_	_
20	which	which	PRON	WDT	PronType=Rel	22	nsubj:pass	_	_
21	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	22	aux:pass	_	_
22	called	call	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	18	acl:relcl	_	_
23	moulting	moulting	NOUN	NN	Number=Sing	22	xcomp	_	_
24	,	,	PUNCT	,	_	27	punct	_	_
25	and	and	CCONJ	CC	_	27	cc	_	_
26	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	27	nsubj	_	_
27	hides	hide	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	conj	_	_
28	for	for	ADP	IN	_	31	case	_	_
29	a	a	DET	DT	Definite=Ind|PronType=Art	31	det	_	_
30	few	few	ADJ	JJ	Degree=Pos	31	amod	_	_
31	days	day	NOUN	NNS	Number=Plur	27	obl	_	_
32	while	while	SCONJ	IN	_	36	mark	_	_
33	the	the	DET	DT	Definite=Def|PronType=Art	35	det	_	Agree=R5-strong|Haiku=36:det
34	new	new	ADJ	JJ	Degree=Pos	35	amod	_	Agree=R5-strong|Haiku=36:amod
35	shell	shell	NOUN	NN	Number=Sing	36	nsubj	_	Agree=R7-rel-agree|Haiku=36:compound
36	hardens	harden	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	27	advcl	_	_
37	.	.	PUNCT	.	_	8	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 | **is** | present | a crab's skeleton |  |  | the outside |  |  | tree rules |
| 2 | **grow** | to-infinitive | skeleton *not said here* |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 3 | **climb** | present | skeleton |  |  | skeleton's old shell |  |  | vn run-51.3.2 «NP V PP.location»: agent=Theme out shell=Trajectory |
| 4 | **call** | present · passive |  | skeleton's old shell |  |  |  |  | vn initiate\_communication-37.4.2-1 «NP V NP.recipient»: subject=Recipient |
| 5 | **hide** | present | skeleton |  |  |  | day |  | vn concealment-16-1 «NP V»: agent=Agent |
| 6 | **harden** | present | the new shell |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |

<!-- .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:404-the-real-animals-of-the-just-so-stories-whale-camel-rhino-leopard-elephant-kangaroo-armadillo-crab.lesson:18`.

**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 ×2, 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/).

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