---
title: The Earth is about 4.54 billion years old, a span so huge that geolo… — Deep time and the story of life · tree and pragmatics
description: The Earth is about 4.54 billion years old, a span so huge that geologists call it deep time. Who acts: Earth, geologists. A sentence of the lesson «Deep time and the story of life» of the geography course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Deep time and the story of life, sentence 0

<!-- .ven lang=en -->
The Earth is about 4.54 billion years old, a span so huge that geologists call it deep time.

<!-- .vintro -->
**Who acts:** Earth, geologists · **What happens:** be, call · **To what, where:** Earth · **Speech:** someone speaks here

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This is a sentence of the lesson «Deep time and the story of life» of the geography 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 (Earth, geologists), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:058-deep-time-and-the-story-of-life.lesson:0
# text = The Earth is about 4.54 billion years old, a span so huge that geologists call it deep time.
# source = school lesson (ours)
# course = geography
# lesson = 058-deep-time-and-the-story-of-life.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): R7-rel-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Earth	Earth	PROPN	NNP	Number=Sing	8	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
4	about	about	ADV	RB	_	6	advmod	_	_
5	4.54	4.54	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	8	obl:unmarked	_	_
8	old	old	ADJ	JJ	Degree=Pos	0	root	_	_
9	,	,	PUNCT	,	_	11	punct	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
11	span	span	NOUN	NN	Number=Sing	8	parataxis	_	Agree=R7-rel-agree|Haiku=8:conj
12	so	so	ADV	RB	_	13	advmod	_	_
13	huge	huge	ADJ	JJ	Degree=Pos	11	amod	_	_
14	that	that	SCONJ	IN	_	16	mark	_	_
15	geologists	geologist	NOUN	NNS	Number=Plur	16	nsubj	_	_
16	call	call	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	13	advcl	_	_
17	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	16	obj	_	_
18	deep	deep	ADJ	JJ	Degree=Pos	19	amod	_	_
19	time	time	NOUN	NN	Number=Sing	16	xcomp	_	_
20	.	.	PUNCT	.	_	8	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** | present | the Earth |  |  |  | year | old *property* | tree rules |
| 2 | **call** | present | geologists | Earth |  |  |  |  | vn initiate\_communication-37.4.2-1 «NP V NP.recipient»: agent=Agent it=Recipient |

<!-- .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:geography:058-deep-time-and-the-story-of-life.lesson:0`.

**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): 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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