---
title: A tortoise cannot leave its shell, because its ribs and backbone are… — Tortoises, lizards and geckos as pets: heat, lig… · tree and pragmatics
description: A tortoise cannot leave its shell, because its ribs and backbone are joined to it as part of its skeleton, and it can feel touch through the shell. Who acts: tortoise, hide. A sentence of the lesson «Tortoises, lizards and geckos as pets: heat, light and washing hands» of the biology course of Mova'
---

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# Tortoises, lizards and geckos as pets: heat, light and washing hands, sentence 17

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A tortoise cannot leave its shell, because its ribs and backbone are joined to it as part of its skeleton, and it can feel touch through the shell.

<!-- .vintro -->
**Who acts:** tortoise, hide · **What happens:** not leave, join, feel · **To what, where:** shell, ribs, hide, touch

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This is a sentence of the lesson «Tortoises, lizards and geckos as pets: heat, light and washing hands» 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 (tortoise, hide), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:329-tortoises-lizards-and-geckos-as-pets-heat-light-and-washing-hands.lesson:17
# text = A tortoise cannot leave its shell, because its ribs and backbone are joined to it as part of its skeleton, and it can feel touch through the shell.
# source = school lesson (ours)
# course = biology
# lesson = 329-tortoises-lizards-and-geckos-as-pets-heat-light-and-washing-hands.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
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	tortoise	tortoise	NOUN	NN	Number=Sing	5	nsubj	_	_
3	can	can	AUX	MD	VerbForm=Fin	5	aux	_	_
4	not	not	PART	RB	Polarity=Neg	5	advmod	_	_
5	leave	leave	VERB	VB	VerbForm=Inf	0	root	_	_
6	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	shell	shell	NOUN	NN	Number=Sing	5	obj	_	_
8	,	,	PUNCT	,	_	15	punct	_	_
9	because	because	SCONJ	IN	_	15	mark	_	_
10	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	_	_
11	ribs	rib	NOUN	NNS	Number=Plur	15	nsubj	_	_
12	and	and	CCONJ	CC	_	13	cc	_	_
13	backbone	backbone	NOUN	NN	Number=Sing	11	conj	_	_
14	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	15	aux:pass	_	_
15	joined	join	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	advcl	_	_
16	to	to	ADP	IN	_	17	case	_	_
17	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	15	obl	_	_
18	as	as	ADP	IN	_	19	case	_	_
19	part	part	NOUN	NN	Number=Sing	15	obl	_	_
20	of	of	ADP	IN	_	22	case	_	_
21	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	22	nmod:poss	_	_
22	skeleton	skeleton	NOUN	NN	Number=Sing	19	nmod	_	_
23	,	,	PUNCT	,	_	27	punct	_	_
24	and	and	CCONJ	CC	_	27	cc	_	_
25	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	27	nsubj	_	_
26	can	can	AUX	MD	VerbForm=Fin	27	aux	_	_
27	feel	feel	VERB	VB	VerbForm=Inf	15	conj	_	Agree=R5-strong|Haiku=5:conj
28	touch	touch	NOUN	NN	Number=Sing	27	obj	_	_
29	through	through	ADP	IN	_	31	case	_	_
30	the	the	DET	DT	Definite=Def|PronType=Art	31	det	_	_
31	shell	shell	NOUN	NN	Number=Sing	27	obl	_	_
32	.	.	PUNCT	.	_	5	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** **leave** | can | a tortoise | hide's shell |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent shell=Theme |
| 2 | **join** | present · passive |  | hide's ribs and backbone | hide |  |  | as part of hide's skeleton | vn mix-22.1-2-1 «NP V NP PP.co-patient»: subject=Patient to it=Co-Patient |
| 3 | **feel** | can | hide | touch |  | the shell |  |  | vn hunt-35.1 «NP V NP PP.location»: agent=Agent touch=Theme through shell=Location |

<!-- .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:329-tortoises-lizards-and-geckos-as-pets-heat-light-and-washing-hands.lesson:17`.

**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. **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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- ← previous: [Tortoises, lizards and geckos as pets:…, 16](https://md.mova.elamur.ai/free/en/corpora/school/biology/329-tortoises-lizards-and-geckos-as-pets-heat-light-and-washing-hands/16/)
- next →: [Unusual pets: stick insects, giant sna…, 0](https://md.mova.elamur.ai/free/en/corpora/school/biology/330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs/0/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/329-tortoises-lizards-and-geckos-as-pets-heat-light-and-washing-hands/)

