---
title: Air is a gas; it has mass and takes up space even though we cannot s… — Solids, liquids and gases · tree and pragmatics
description: Air is a gas; it has mass and takes up space even though we cannot see it. Who acts: Air, gas, we. A sentence of the lesson «Solids, liquids and gases» of the world 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 10

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Air is a gas; it has mass and takes up space even though we cannot see it.

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**Who acts:** Air, gas, we · **What happens:** be, have, take up, not see · **To what, where:** gas, mass, space

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

## The tree {#tree}

```conllu
# sent_id = school:world:011-solids-liquids-gases.lesson:10
# text = Air is a gas; it has mass and takes up space even though we cannot see it.
# source = school lesson (ours)
# course = world
# lesson = 011-solids-liquids-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 ×1
1	Air	air	NOUN	NN	Number=Sing	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	gas	gas	NOUN	NN	Number=Sing	0	root	_	_
5	;	;	PUNCT	:	_	8	punct	_	_
6	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	nsubj	_	_
7	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	Agree=R7-rel-agree|Haiku=4:conj
8	mass	mass	NOUN	NN	Number=Sing	7	obj	_	_
9	and	and	CCONJ	CC	_	10	cc	_	_
10	takes	take	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	conj	_	_
11	up	up	ADP	RP	_	10	compound:prt	_	_
12	space	space	NOUN	NN	Number=Sing	10	obj	_	_
13	even	even	ADV	RB	_	18	advmod	_	_
14	though	though	SCONJ	IN	_	18	mark	_	_
15	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	18	nsubj	_	_
16	can	can	AUX	MD	VerbForm=Fin	18	aux	_	_
17	not	not	PART	RB	Polarity=Neg	18	advmod	_	_
18	see	see	VERB	VB	VerbForm=Inf	10	advcl	_	_
19	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	18	obj	_	_
20	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Air | a gas |  |  |  |  | tree rules |
| 2 | **have** | present | gas | mass |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent mass=Patient |
| 3 | **take up** | present | gas *not said here* | space |  |  |  |  | vn bring-11.3 «NP V NP»: agent=Agent space=Theme |
| 4 | **not** **see** | can | we | gas |  |  |  |  | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer it=Stimulus |

<!-- .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:world:011-solids-liquids-gases.lesson:10`.

**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 ×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: [Solids, liquids and gases, 9](https://md.mova.elamur.ai/free/en/corpora/school/world/11-solids-liquids-gases/9/)
- next →: [Solids, liquids and gases, 11](https://md.mova.elamur.ai/free/en/corpora/school/world/11-solids-liquids-gases/11/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/11-solids-liquids-gases/)