---
title: Gold almost never reacts with oxygen or sulphur, so it does not tarn… — Tarnish and how metals change · tree and pragmatics
description: Gold almost never reacts with oxygen or sulphur, so it does not tarnish and is used on domes and picture frames. Who acts: Gold. A sentence of the lesson «Tarnish and how metals change» of the chemistry course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/chemistry/14-tarnish-and-how-metals-change/18/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Chemistry](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/) / [Tarnish and how metals change](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/14-tarnish-and-how-metals-change/) / 18

# Tarnish and how metals change, sentence 18

<!-- .ven lang=en -->
Gold almost never reacts with oxygen or sulphur, so it does not tarnish and is used on domes and picture frames.

<!-- .vintro -->
**Who acts:** Gold · **What happens:** not react, not tarnish, use · **To what, where:** domes

<!-- .vabout -->
This is a sentence of the lesson «Tarnish and how metals change» 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 (Gold), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:014-tarnish-and-how-metals-change.lesson:18
# text = Gold almost never reacts with oxygen or sulphur, so it does not tarnish and is used on domes and picture frames.
# source = school lesson (ours)
# course = chemistry
# lesson = 014-tarnish-and-how-metals-change.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 ×1, R7-rel-agree ×1
1	Gold	gold	NOUN	NN	Number=Sing	4	nsubj	_	_
2	almost	almost	ADV	RB	_	3	advmod	_	Agree=R5-strong|Haiku=4:advmod
3	never	never	ADV	RB	PronType=Neg	4	advmod	_	_
4	reacts	react	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	with	with	ADP	IN	_	6	case	_	_
6	oxygen	oxygen	NOUN	NN	Number=Sing	4	obl	_	_
7	or	or	CCONJ	CC	_	8	cc	_	_
8	sulphur	sulphur	NOUN	NN	Number=Sing	6	conj	_	_
9	,	,	PUNCT	,	_	14	punct	_	_
10	so	so	ADV	RB	_	14	advmod	_	_
11	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	14	nsubj	_	_
12	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	aux	_	_
13	not	not	PART	RB	Polarity=Neg	14	advmod	_	_
14	tarnish	tarnish	VERB	VB	VerbForm=Inf	4	parataxis	_	Agree=R7-rel-agree|Haiku=4:conj
15	and	and	CCONJ	CC	_	17	cc	_	_
16	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	aux:pass	_	_
17	used	use	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	14	conj	_	_
18	on	on	ADP	IN	_	19	case	_	_
19	domes	dome	NOUN	NNS	Number=Plur	17	obl	_	_
20	and	and	CCONJ	CC	_	22	cc	_	_
21	picture	picture	NOUN	NN	Number=Sing	22	compound	_	_
22	frames	frame	NOUN	NNS	Number=Plur	19	conj	_	_
23	.	.	PUNCT	.	_	4	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 | **not** **react** | present | Gold |  |  |  |  | with oxygen or sulphur | vn respond-113 «NP V PP.predicate»: agent=Agent with oxygen=Eventuality |
| 2 | **not** **tarnish** | present · do-support | Gold |  |  |  |  |  | vn entity\_specific\_cos-45.5 «NP.patient V»: agent=Patient |
| 3 | **use** | present · passive | Gold *not said here* |  |  | domes and picture frames |  |  | vn eat-39.1 «NP V» |

<!-- .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.

<!-- div src -->

**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:014-tarnish-and-how-metals-change.lesson:18`.

**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 ×1, 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/).

<!-- /div -->

<!-- pn -->
- ← previous: [Tarnish and how metals change, 16](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/14-tarnish-and-how-metals-change/16/)
- next →: [Tarnish and how metals change, 19](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/14-tarnish-and-how-metals-change/19/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/14-tarnish-and-how-metals-change/)