---
title: About 13.8 billion years ago the universe was extremely hot and dens… — Galaxies and the Big Bang · tree and pragmatics
description: About 13.8 billion years ago the universe was extremely hot and dense, and it has been expanding and cooling ever since; this is the Big Bang theory. Who acts: universe, this. A sentence of the lesson «Galaxies and the Big Bang» of the space course of Mova's primary school with its dependency tree a
---

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# Galaxies and the Big Bang, sentence 10

<!-- .ven lang=en -->
About 13.8 billion years ago the universe was extremely hot and dense, and it has been expanding and cooling ever since; this is the Big Bang theory.

<!-- .vintro -->
**Who acts:** universe, this · **What happens:** be, expand, cool · **To what, where:** Bang theory

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This is a sentence of the lesson «Galaxies and the Big Bang» of the space 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 (universe, this), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:space:024-galaxies-and-the-big-bang.lesson:10
# text = About 13.8 billion years ago the universe was extremely hot and dense, and it has been expanding and cooling ever since; this is the Big Bang theory.
# source = school lesson (ours)
# course = space
# lesson = 024-galaxies-and-the-big-bang.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	About	about	ADV	RB	_	3	advmod	_	Agree=R5-strong|Haiku=2:advmod
2	13.8	13.8	NUM	CD	NumForm=Digit|NumType=Frac	3	compound	_	_
3	billion	billion	NUM	CD	NumForm=Word|NumType=Card	4	nummod	_	_
4	years	year	NOUN	NNS	Number=Plur	10	obl:unmarked	_	_
5	ago	ago	ADV	RB	_	4	advmod	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	universe	universe	NOUN	NN	Number=Sing	10	nsubj	_	_
8	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	10	cop	_	_
9	extremely	extremely	ADV	RB	_	10	advmod	_	_
10	hot	hot	ADJ	JJ	Degree=Pos	0	root	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	dense	dense	ADJ	JJ	Degree=Pos	10	conj	_	_
13	,	,	PUNCT	,	_	18	punct	_	_
14	and	and	CCONJ	CC	_	18	cc	_	_
15	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	18	nsubj	_	_
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	_	_
18	expanding	expand	VERB	VBG	Tense=Pres|VerbForm=Part	10	conj	_	_
19	and	and	CCONJ	CC	_	20	cc	_	_
20	cooling	cool	VERB	VBG	Tense=Pres|VerbForm=Part	18	conj	_	_
21	ever	ever	ADV	RB	PronType=Ind	18	advmod	_	_
22	since	since	SCONJ	IN	_	21	fixed	_	_
23	;	;	PUNCT	,	_	29	punct	_	_
24	this	this	PRON	DT	Number=Sing|PronType=Dem	29	nsubj	_	_
25	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	29	cop	_	_
26	the	the	DET	DT	Definite=Def|PronType=Art	29	det	_	_
27	Big	Big	PROPN	NNP	_	28	compound	_	_
28	Bang	Bang	PROPN	NNP	Number=Sing	29	compound	_	_
29	theory	theory	NOUN	NN	Number=Sing	10	parataxis	_	Agree=R7-rel-agree|Haiku=10:conj
30	.	.	PUNCT	.	_	10	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | past | the universe |  |  |  | year | extremely, hot *property* | tree rules |
| 2 | **be** |  | the universe *not said here* |  |  |  |  |  | tree rules |
| 3 | **expand** | present · perfect · progressive | universe |  |  |  | ever |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 4 | **cool** | gerund | universe *not said here* |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 5 | **is a** | present | this | the Bang theory |  |  |  |  | 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:space:024-galaxies-and-the-big-bang.lesson:10`.

**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/).

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