---
title: Coal, oil and natural gas are fossil fuels formed over millions of y… — Natural resources and why we must save them · tree and pragmatics
description: Coal, oil and natural gas are fossil fuels formed over millions of years from ancient plants and animals. Who acts: Coal. A sentence of the lesson «Natural resources and why we must save them» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Natural resources and why we must save them, sentence 9

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Coal, oil and natural gas are fossil fuels formed over millions of years from ancient plants and animals.

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**Who acts:** Coal · **What happens:** be, form · **To what, where:** fossil fuels, millions

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This is a sentence of the lesson «Natural resources and why we must save them» 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 (Coal), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:047-natural-resources.lesson:9
# text = Coal, oil and natural gas are fossil fuels formed over millions of years from ancient plants and animals.
# source = school lesson (ours)
# course = world
# lesson = 047-natural-resources.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): R2-punct-next ×1, R6-punct-agree ×1, R7-rel-agree ×1
1	Coal	coal	NOUN	NN	Number=Sing	9	nsubj	_	_
2	,	,	PUNCT	,	_	3	punct	_	Agree=R2-punct-next|Haiku=1:punct
3	oil	oil	NOUN	NN	Number=Sing	1	conj	_	_
4	and	and	CCONJ	CC	_	6	cc	_	_
5	natural	natural	ADJ	JJ	Degree=Pos	6	amod	_	_
6	gas	gas	NOUN	NN	Number=Sing	1	conj	_	_
7	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	cop	_	_
8	fossil	fossil	ADJ	JJ	Degree=Pos	9	amod	_	Agree=R7-rel-agree|Haiku=9:compound|HaikuPos=NOUN:NN:Number=Sing
9	fuels	fuel	NOUN	NNS	Number=Plur	0	root	_	_
10	formed	form	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	acl	_	_
11	over	over	ADP	IN	_	12	case	_	_
12	millions	million	NOUN	NNS	Number=Plur	10	obl	_	_
13	of	of	ADP	IN	_	14	case	_	_
14	years	year	NOUN	NNS	Number=Plur	12	nmod	_	_
15	from	from	ADP	IN	_	17	case	_	_
16	ancient	ancient	ADJ	JJ	Degree=Pos	17	amod	_	_
17	plants	plant	NOUN	NNS	Number=Plur	10	obl	_	_
18	and	and	CCONJ	CC	_	19	cc	_	_
19	animals	animal	NOUN	NNS	Number=Plur	17	conj	_	_
20	.	.	PUNCT	.	_	9	punct	_	Agree=R6-punct-agree|Haiku=1: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 | **is a** | present | Coal and oil and natural gas | fossil fuels |  |  |  |  | tree rules |
| 2 | **form** | participle |  | fossil fuels *not said here* |  | millions of years |  | from ancient plants and animals | vn appear-48.1.1 «NP V PP.location»: agent=Theme over million=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:world:047-natural-resources.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): R2-punct-next ×1, R6-punct-agree ×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/).

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