---
title: The biggest crab moves in, the next takes its old shell, and so on d… — Unusual pets: stick insects, giant snails, ant f… · tree and pragmatics
description: The biggest crab moves in, the next takes its old shell, and so on down the queue, like families moving into bigger houses one after another. Who acts: biggest crab, next, families. A sentence of the lesson «Unusual pets: stick insects, giant snails, ant farms and hermit crabs» of the biology course
---

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# Unusual pets: stick insects, giant snails, ant farms and hermit crabs, sentence 6

<!-- .ven lang=en -->
The biggest crab moves in, the next takes its old shell, and so on down the queue, like families moving into bigger houses one after another.

<!-- .vintro -->
**Who acts:** biggest crab, next, families · **What happens:** move in, take, move · **To what, where:** old shell, one, bigger houses

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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 (biggest crab, next, families), 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:6
# text = The biggest crab moves in, the next takes its old shell, and so on down the queue, like families moving into bigger houses one after another.
# 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): R5-strong ×2, R7-rel-agree ×1, R8-pos-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	biggest	big	ADJ	JJS	Degree=Sup	3	amod	_	_
3	crab	crab	NOUN	NN	Number=Sing	4	nsubj	_	_
4	moves	move	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	in	in	ADV	RB	_	4	advmod	_	Agree=R7-rel-agree|Haiku=4:compound:prt|HaikuPos=ADP:RP:_
6	,	,	PUNCT	,	_	9	punct	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	next	next	ADJ	JJ	Degree=Pos	9	nsubj	_	_
9	takes	take	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	_
10	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	12	nmod:poss	_	_
11	old	old	ADJ	JJ	Degree=Pos	12	amod	_	_
12	shell	shell	NOUN	NN	Number=Sing	9	obj	_	_
13	,	,	PUNCT	,	_	19	punct	_	_
14	and	and	CCONJ	CC	_	19	cc	_	_
15	so	so	ADV	RB	_	16	advmod	_	Agree=R5-strong|Haiku=19:advmod
16	on	on	ADP	IN	_	19	case	_	_
17	down	down	ADP	IN	_	19	case	_	_
18	the	the	DET	DT	Definite=Def|PronType=Art	19	det	_	_
19	queue	queue	NOUN	NN	Number=Sing	9	conj	_	_
20	,	,	PUNCT	,	_	22	punct	_	_
21	like	like	ADP	IN	_	22	case	_	_
22	families	family	NOUN	NNS	Number=Plur	4	obl	_	_
23	moving	move	VERB	VBG	VerbForm=Ger	22	acl	_	_
24	into	into	ADP	IN	_	26	case	_	_
25	bigger	big	ADJ	JJR	Degree=Cmp	26	amod	_	_
26	houses	house	NOUN	NNS	Number=Plur	23	obl	_	_
27	one	one	NUM	CD	NumForm=Word|NumType=Card	23	obl	_	Agree=R5-strong|Haiku=26:nmod
28	after	after	ADP	IN	_	29	case	_	_
29	another	another	DET	DT	PronType=Ind	27	nmod	_	Agree=R8-pos-agree|Haiku=27:nmod|HaikuPos=PRON:DT:PronType=Ind
30	.	.	PUNCT	.	_	4	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 | **move in** | present | the biggest crab |  |  |  |  | like families | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 2 | **take** | present | the next | shell's old shell |  |  |  |  | vn bring-11.3 «NP V NP»: agent=Agent shell=Theme |
| 3 | **move** | gerund | families *not said here* | one after another |  | bigger houses |  |  | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into house=Trajectory |

<!-- .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:330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs.lesson:6`.

**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 ×1, R8-pos-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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- next →: [Unusual pets: stick insects, giant sna…, 7](https://md.mova.elamur.ai/free/en/corpora/school/biology/330-unusual-pets-stick-insects-giant-snails-ant-farms-and-hermit-crabs/7/)
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