---
title: Eggs, onions and some rubber give off sulphur gases, so silver egg s… — Tarnish and how metals change · tree and pragmatics
description: Eggs, onions and some rubber give off sulphur gases, so silver egg spoons tarnish very quickly. Who acts: Eggs, egg spoons. 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.
---

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# Tarnish and how metals change, sentence 9

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Eggs, onions and some rubber give off sulphur gases, so silver egg spoons tarnish very quickly.

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**Who acts:** Eggs, egg spoons · **What happens:** give off, tarnish · **To what, where:** sulphur gases

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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 (Eggs, egg spoons), 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:9
# text = Eggs, onions and some rubber give off sulphur gases, so silver egg spoons tarnish very quickly.
# 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): no change
1	Eggs	egg	NOUN	NNS	Number=Plur	7	nsubj	_	_
2	,	,	PUNCT	,	_	3	punct	_	_
3	onions	onion	NOUN	NNS	Number=Plur	1	conj	_	_
4	and	and	CCONJ	CC	_	6	cc	_	_
5	some	some	DET	DT	PronType=Ind	6	det	_	_
6	rubber	rubber	NOUN	NN	Number=Sing	1	conj	_	_
7	give	give	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	off	off	ADP	RP	_	7	compound:prt	_	_
9	sulphur	sulphur	NOUN	NN	Number=Sing	10	compound	_	_
10	gases	gas	NOUN	NNS	Number=Plur	7	obj	_	_
11	,	,	PUNCT	,	_	15	punct	_	_
12	so	so	ADV	RB	_	16	advmod	_	_
13	silver	silver	ADJ	JJ	Degree=Pos	14	amod	_	_
14	egg	egg	NOUN	NN	Number=Sing	15	compound	_	_
15	spoons	spoon	NOUN	NNS	Number=Plur	16	nsubj	_	_
16	tarnish	tarnish	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	conj	_	_
17	very	very	ADV	RB	_	18	advmod	_	_
18	quickly	quickly	ADV	RB	_	16	advmod	_	_
19	.	.	PUNCT	.	_	7	punct	_	_
```

## Pragmatics {#pragmatics}

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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 | **give off** | present | Eggs and onions and some rubber | sulphur gases |  |  |  |  | vn substance\_emission-43.4 «NP V NP»: agent=Source gas=Theme |
| 2 | **tarnish** | present | egg spoons |  |  |  |  | quickly *property* | vn entity\_specific\_cos-45.5 «NP.patient V»: agent=Patient |

<!-- .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:014-tarnish-and-how-metals-change.lesson:9`.

**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): no change. **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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