---
title: Hermit crabs need damp air and company because they live in groups,… — Unusual pets: stick insects, giant snails, ant f… · tree and pragmatics
description: Hermit crabs need damp air and company because they live in groups, and with good care some are reported to live over 20 years. Who acts: Hermit crabs, crabs. A sentence of the lesson «Unusual pets: stick insects, giant snails, ant farms and hermit crabs» of the biology course of Mova's primary scho
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs/19/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [Unusual pets: stick insects, giant sna…](https://md.mova.elamur.ai/free/en/corpora/school/biology/330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs/) / 19

# Unusual pets: stick insects, giant snails, ant farms and hermit crabs, sentence 19

<!-- .ven lang=en -->
Hermit crabs need damp air and company because they live in groups, and with good care some are reported to live over 20 years.

<!-- .vintro -->
**Who acts:** Hermit crabs, crabs · **What happens:** need, live, report · **To what, where:** damp air, groups, some

<!-- .vabout -->
This is a sentence of the lesson «Unusual pets: stick insects, giant snails, ant farms and hermit crabs» 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 (Hermit crabs, crabs), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs.lesson:19
# text = Hermit crabs need damp air and company because they live in groups, and with good care some are reported to live over 20 years.
# source = school lesson (ours)
# course = biology
# lesson = 330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs.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): R2-punct-next ×1, R5-strong ×1
1	Hermit	hermit	NOUN	NN	Number=Sing	2	compound	_	_
2	crabs	crab	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	need	need	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	damp	damp	ADJ	JJ	Degree=Pos	5	amod	_	_
5	air	air	NOUN	NN	Number=Sing	3	obj	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	company	company	NOUN	NN	Number=Sing	5	conj	_	_
8	because	because	SCONJ	IN	_	10	mark	_	_
9	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	10	nsubj	_	_
10	live	live	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
11	in	in	ADP	IN	_	12	case	_	_
12	groups	group	NOUN	NNS	Number=Plur	10	obl	_	_
13	,	,	PUNCT	,	_	20	punct	_	Agree=R2-punct-next|Haiku=10:punct
14	and	and	CCONJ	CC	_	20	cc	_	_
15	with	with	ADP	IN	_	17	case	_	_
16	good	good	ADJ	JJ	Degree=Pos	17	amod	_	_
17	care	care	NOUN	NN	Number=Sing	20	obl	_	_
18	some	some	DET	DT	PronType=Ind	20	nsubj:pass	_	_
19	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	20	aux:pass	_	_
20	reported	report	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	conj	_	Agree=R5-strong|Haiku=10:conj
21	to	to	PART	TO	_	22	mark	_	_
22	live	live	VERB	VB	VerbForm=Inf	20	xcomp	_	_
23	over	over	ADV	RB	_	24	advmod	_	_
24	20	20	NUM	CD	NumForm=Digit|NumType=Card	25	nummod	_	_
25	years	year	NOUN	NNS	Number=Plur	22	obl:unmarked	_	_
26	.	.	PUNCT	.	_	3	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 | **need** | present | Hermit crabs | damp air and company |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot air=Theme |
| 2 | **live** | present | crabs *= crab* |  |  | groups |  |  | vn lodge-46 «NP V PP.location»: agent=Theme in group=Location |
| 3 | **report** | present · passive |  | some |  |  |  | with good care | vn characterize-29.2-1-2 «NP V NP to be ADJ»: subject=Theme clause=Attribute |
| 4 | **live** | to-infinitive |  |  |  |  | year |  | vn exist-47.1-1 «NP V»: agent=Theme |

<!-- .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.

<!-- div src -->

**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:330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs.lesson:19`.

**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): R2-punct-next ×1, 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/).

<!-- /div -->

<!-- pn -->
- ← previous: [Unusual pets: stick insects, giant sna…, 18](https://md.mova.elamur.ai/free/en/corpora/school/biology/330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs/18/)
- next →: [Unusual pets: stick insects, giant sna…, 20](https://md.mova.elamur.ai/free/en/corpora/school/biology/330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs/20/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs/)

