---
title: A carbon monoxide alarm warns of a gas you cannot see or smell; when… — Sounds that warn · tree and pragmatics
description: A carbon monoxide alarm warns of a gas you cannot see or smell; when it sounds, everyone should go outside into fresh air. Who acts: monoxide alarm, you, battery, everyone. A sentence of the lesson «Sounds that warn» of the everyday course of Mova's primary school with its dependency tree and the pr
---

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# Sounds that warn, sentence 12

<!-- .ven lang=en -->
A carbon monoxide alarm warns of a gas you cannot see or smell; when it sounds, everyone should go outside into fresh air.

<!-- .vintro -->
**Who acts:** monoxide alarm, you, battery, everyone · **What happens:** warn, not see, smell, sound, go · **To what, where:** gas, fresh air

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This is a sentence of the lesson «Sounds that warn» of the everyday 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 (monoxide alarm, you, battery, everyone), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:012-sounds-that-warn.lesson:12
# text = A carbon monoxide alarm warns of a gas you cannot see or smell; when it sounds, everyone should go outside into fresh air.
# source = school lesson (ours)
# course = everyday
# lesson = 012-sounds-that-warn.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	A	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
2	carbon	carbon	NOUN	NN	Number=Sing	3	compound	_	_
3	monoxide	monoxide	NOUN	NN	Number=Sing	4	compound	_	_
4	alarm	alarm	NOUN	NN	Number=Sing	5	nsubj	_	_
5	warns	warn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	of	of	ADP	IN	_	8	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	gas	gas	NOUN	NN	Number=Sing	5	obl	_	_
9	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	12	nsubj	_	_
10	can	can	AUX	MD	VerbForm=Fin	12	aux	_	_
11	not	not	PART	RB	Polarity=Neg	12	advmod	_	_
12	see	see	VERB	VB	VerbForm=Inf	8	acl:relcl	_	_
13	or	or	CCONJ	CC	_	14	cc	_	_
14	smell	smell	VERB	VB	VerbForm=Inf	12	conj	_	_
15	;	;	PUNCT	,	_	18	punct	_	_
16	when	when	SCONJ	WRB	_	18	mark	_	_
17	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	18	nsubj	_	_
18	sounds	sound	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	22	advcl	_	_
19	,	,	PUNCT	,	_	22	punct	_	_
20	everyone	everyone	PRON	NN	Number=Sing|PronType=Tot	22	nsubj	_	_
21	should	should	AUX	MD	VerbForm=Fin	22	aux	_	_
22	go	go	VERB	VB	VerbForm=Inf	5	parataxis	_	Agree=R7-rel-agree|Haiku=5:conj
23	outside	outside	ADV	RB	_	22	advmod	_	_
24	into	into	ADP	IN	_	26	case	_	_
25	fresh	fresh	ADJ	JJ	Degree=Pos	26	amod	_	_
26	air	air	NOUN	NN	Number=Sing	22	obl	_	_
27	.	.	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 | **warn** *speech: warn* | present | a monoxide alarm |  |  |  |  | of a gas | vn advise-37.9-1 «NP V NP PP.topic»: agent=Agent of gas=Topic |
| 2 | **not** **see** | can | you | a gas *not said here* |  |  |  |  | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer gas=Stimulus |
| 3 | **smell** | infinitive | you *not said here* |  |  |  |  |  | vn smell\_emission-43.3 «NP V»: agent=Theme |
| 4 | **sound** | present | battery |  |  |  |  |  | vn stimulus\_subject-30.4 «NP V PP.attribute»: agent=Stimulus |
| 5 | **go** | should | everyone |  |  | fresh air |  | outside *property* | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme into air=Initial\_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:everyday:012-sounds-that-warn.lesson:12`.

**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: [Sounds that warn, 11](https://md.mova.elamur.ai/free/en/corpora/school/everyday/12-sounds-that-warn/11/)
- next →: [Sounds that warn, 13](https://md.mova.elamur.ai/free/en/corpora/school/everyday/12-sounds-that-warn/13/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/everyday/12-sounds-that-warn/)

