---
title: Those gases were banned by a world agreement in 1987, and the ozone… — The air we breathe · tree and pragmatics
description: Those gases were banned by a world agreement in 1987, and the ozone hole has been reported to be slowly healing. Who acts: world agreement. A sentence of the lesson «The air we breathe» of the chemistry course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# The air we breathe, sentence 14

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Those gases were banned by a world agreement in 1987, and the ozone hole has been reported to be slowly healing.

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**Who acts:** world agreement · **What happens:** ban, report, healing · **To what, where:** gases, 1987, ozone hole

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This is a sentence of the lesson «The air we breathe» 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 (world agreement), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:033-the-air-we-breathe.lesson:14
# text = Those gases were banned by a world agreement in 1987, and the ozone hole has been reported to be slowly healing.
# source = school lesson (ours)
# course = chemistry
# lesson = 033-the-air-we-breathe.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	Those	that	DET	DT	Number=Plur|PronType=Dem	2	det	_	_
2	gases	gas	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
3	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	4	aux:pass	_	_
4	banned	ban	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	by	by	ADP	IN	_	8	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	world	world	NOUN	NN	Number=Sing	8	compound	_	_
8	agreement	agreement	NOUN	NN	Number=Sing	4	obl	_	_
9	in	in	ADP	IN	_	10	case	_	_
10	1987	1987	NUM	CD	NumForm=Digit|NumType=Card	4	obl	_	_
11	,	,	PUNCT	,	_	18	punct	_	_
12	and	and	CCONJ	CC	_	18	cc	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
14	ozone	ozone	NOUN	NN	Number=Sing	15	compound	_	_
15	hole	hole	NOUN	NN	Number=Sing	18	nsubj:pass	_	_
16	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	18	aux	_	_
17	been	be	AUX	VBN	Tense=Past|VerbForm=Part	18	aux:pass	_	_
18	reported	report	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	conj	_	_
19	to	to	PART	TO	_	22	mark	_	_
20	be	be	AUX	VB	VerbForm=Inf	22	aux	_	Agree=R7-rel-agree|Haiku=22:cop
21	slowly	slowly	ADV	RB	_	22	advmod	_	_
22	healing	healing	VERB	VBG	Tense=Pres|VerbForm=Part	18	xcomp	_	_
23	.	.	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 | **ban** | past · passive | a world agreement | that gases |  | 1987 |  |  | vn forbid-64.4-1 «NP V NP»: agent=Causer subject=Theme |
| 2 | **report** | present · perfect · passive |  | the ozone hole |  |  |  |  | vn characterize-29.2-1-2 «NP V NP to be ADJ»: subject=Theme clause=Attribute |
| 3 | **healing** | to-infinitive · progressive |  |  |  |  |  | slowly *property* | tree rules |

<!-- .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:chemistry:033-the-air-we-breathe.lesson:14`.

**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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