---
title: A gas spreads out to fill all the space it is in, and it can be squa… — Solids, liquids and gases · tree and pragmatics
description: A gas spreads out to fill all the space it is in, and it can be squashed because its particles are far apart. Who acts: gas, particles. A sentence of the lesson «Solids, liquids and gases» of the chemistry course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Solids, liquids and gases, sentence 7

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A gas spreads out to fill all the space it is in, and it can be squashed because its particles are far apart.

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**Who acts:** gas, particles · **What happens:** spread out, fill, squash, be · **To what, where:** space

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This is a sentence of the lesson «Solids, liquids and gases» of the chemistry 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 (gas, particles), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:004-solids-liquids-and-gases.lesson:7
# text = A gas spreads out to fill all the space it is in, and it can be squashed because its particles are far apart.
# source = school lesson (ours)
# course = chemistry
# lesson = 004-solids-liquids-and-gases.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): R7-rel-agree ×2, R8-pos-agree ×1
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	gas	gas	NOUN	NN	Number=Sing	3	nsubj	_	_
3	spreads	spread	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	out	out	ADP	RP	_	3	compound:prt	_	Agree=R7-rel-agree|Haiku=3:advmod|HaikuPos=ADV:RB:_
5	to	to	PART	TO	_	6	mark	_	_
6	fill	fill	VERB	VB	VerbForm=Inf	3	advcl	_	Agree=R7-rel-agree|Haiku=3:xcomp
7	all	all	DET	PDT	PronType=Tot	9	det:predet	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	space	space	NOUN	NN	Number=Sing	6	obj	_	_
10	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	12	nsubj	_	_
11	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	cop	_	_
12	in	in	ADP	IN	_	9	acl:relcl	_	Agree=R8-pos-agree|Haiku=9:acl:relcl|HaikuPos=ADV:RB:_
13	,	,	PUNCT	,	_	18	punct	_	_
14	and	and	CCONJ	CC	_	18	cc	_	_
15	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	18	nsubj:pass	_	_
16	can	can	AUX	MD	VerbForm=Fin	18	aux	_	_
17	be	be	AUX	VB	VerbForm=Inf	18	aux:pass	_	_
18	squashed	squash	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	conj	_	_
19	because	because	SCONJ	IN	_	24	mark	_	_
20	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	21	nmod:poss	_	_
21	particles	particle	NOUN	NNS	Number=Plur	24	nsubj	_	_
22	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	24	cop	_	_
23	far	far	ADV	RB	Degree=Pos	24	advmod	_	_
24	apart	apart	ADV	RB	_	18	advcl	_	_
25	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **spread out** | present | a gas |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 2 | **fill** | to-infinitive | a gas *not said here* | all space |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent space=Patient |
| 3 | **squash** | can · passive |  | space |  |  |  |  | vn carve-21.2-1 «NP V NP»: subject=Patient |
| 4 | **is** | present | space's particles |  |  |  |  | apart, far *property* | tree rules |

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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:chemistry:004-solids-liquids-and-gases.lesson:7`.

**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): R7-rel-agree ×2, 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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