---
title: The Sun has about 5 billion years of fuel left, so it will not burn… — Magnets, compasses and big Earth facts · tree and pragmatics
description: The Sun has about 5 billion years of fuel left, so it will not burn out for an extremely long time. Who acts: Sun. A sentence of the lesson «Magnets, compasses and big Earth facts» of the myths course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Magnets, compasses and big Earth facts, sentence 15

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The Sun has about 5 billion years of fuel left, so it will not burn out for an extremely long time.

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**Who acts:** Sun · **What happens:** have, leave, not burn out · **To what, where:** billion years

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This is a sentence of the lesson «Magnets, compasses and big Earth facts» of the myths 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 (Sun), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:myths:017-magnets-compasses-and-big-earth-facts.lesson:15
# text = The Sun has about 5 billion years of fuel left, so it will not burn out for an extremely long time.
# source = school lesson (ours)
# course = myths
# lesson = 017-magnets-compasses-and-big-earth-facts.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 ×2, R7-rel-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Sun	Sun	PROPN	NNP	Number=Sing	3	nsubj	_	_
3	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	about	about	ADV	RB	_	6	advmod	_	Agree=R5-strong|Haiku=5:advmod
5	5	5	NUM	CD	NumForm=Digit|NumType=Card	6	compound	_	_
6	billion	billion	NUM	CD	NumForm=Word|NumType=Card	7	nummod	_	_
7	years	year	NOUN	NNS	Number=Plur	3	obj	_	_
8	of	of	ADP	IN	_	9	case	_	_
9	fuel	fuel	NOUN	NN	Number=Sing	7	nmod	_	_
10	left	leave	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	acl	_	Agree=R5-strong|Haiku=9:acl
11	,	,	PUNCT	,	_	16	punct	_	_
12	so	so	ADV	RB	_	16	advmod	_	_
13	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	16	nsubj	_	_
14	will	will	AUX	MD	VerbForm=Fin	16	aux	_	_
15	not	not	PART	RB	Polarity=Neg	16	advmod	_	_
16	burn	burn	VERB	VB	VerbForm=Inf	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:conj
17	out	out	ADP	RP	_	16	compound:prt	_	_
18	for	for	ADP	IN	_	22	case	_	_
19	an	a	DET	DT	Definite=Ind|PronType=Art	22	det	_	_
20	extremely	extremely	ADV	RB	_	21	advmod	_	_
21	long	long	ADJ	JJ	Degree=Pos	22	amod	_	_
22	time	time	NOUN	NN	Number=Sing	16	obl	_	_
23	.	.	PUNCT	.	_	3	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 | **have** | present | the Sun |  |  |  | year |  | vn birth-28.2-1 «NP V NP»: agent=Agent |
| 2 | **leave** | participle |  | billion years of fuel *not said here* |  |  |  |  | vn escape-51.1-1-1 «NP V»: agent=Theme |
| 3 | **not** **burn out** | future | Sun |  |  |  | time |  | vn light\_emission-43.1 «NP V»: agent=Theme |

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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:myths:017-magnets-compasses-and-big-earth-facts.lesson:15`.

**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 ×2, 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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