---
title: Earth's history is divided into eons, eras and periods, such as the… — Deep time and the story of life · tree and pragmatics
description: Earth's history is divided into eons, eras and periods, such as the Jurassic, about 200 to 145 million years ago, and the Cretaceous. 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 claus
---

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# Deep time and the story of life, sentence 10

<!-- .ven lang=en -->
Earth's history is divided into eons, eras and periods, such as the Jurassic, about 200 to 145 million years ago, and the Cretaceous.

<!-- .vintro -->
**What happens:** divide · **To what, where:** history, eons

<!-- .vabout -->
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: 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:10
# text = Earth's history is divided into eons, eras and periods, such as the Jurassic, about 200 to 145 million years ago, and the Cretaceous.
# 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): R5-strong ×1, R7-rel-agree ×1, R8-pos-agree ×1
1	Earth	Earth	PROPN	NNP	Number=Sing	3	nmod:poss	_	_
2	's	's	PART	POS	_	1	case	_	_
3	history	history	NOUN	NN	Number=Sing	5	nsubj:pass	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux:pass	_	_
5	divided	divide	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	into	into	ADP	IN	_	7	case	_	_
7	eons	eon	NOUN	NNS	Number=Plur	5	obl	_	_
8	,	,	PUNCT	,	_	9	punct	_	_
9	eras	era	NOUN	NNS	Number=Plur	7	conj	_	_
10	and	and	CCONJ	CC	_	11	cc	_	_
11	periods	period	NOUN	NNS	Number=Plur	7	conj	_	_
12	,	,	PUNCT	,	_	16	punct	_	_
13	such	such	ADJ	JJ	Degree=Pos|ExtPos=ADP	16	case	_	_
14	as	as	ADP	IN	_	13	fixed	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	Jurassic	Jurassic	PROPN	NNP	Number=Sing	7	nmod	_	Agree=R7-rel-agree|Haiku=7:conj
17	,	,	PUNCT	,	_	19	punct	_	_
18	about	about	ADV	RB	_	19	advmod	_	_
19	200	200	NUM	CD	NumForm=Digit|NumType=Card	22	compound	_	_
20	to	to	ADP	IN	_	21	case	_	_
21	145	145	NUM	CD	NumForm=Digit|NumType=Card	19	nmod	_	_
22	million	million	NUM	CD	NumForm=Word|NumType=Card	23	nummod	_	_
23	years	year	NOUN	NNS	Number=Plur	24	obl:unmarked	_	_
24	ago	ago	ADV	RB	_	16	advmod	_	Agree=R5-strong|Haiku=5:advmod
25	,	,	PUNCT	,	_	28	punct	_	_
26	and	and	CCONJ	CC	_	28	cc	_	_
27	the	the	DET	DT	Definite=Def|PronType=Art	28	det	_	_
28	Cretaceous	cretaceous	PROPN	NNP	Number=Sing	5	conj	_	Agree=R8-pos-agree|Haiku=5:conj|HaikuPos=NOUN:NN:Number=Sing
29	.	.	PUNCT	.	_	5	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 | **divide** | present · passive |  | Earth's history |  | eons such the Jurassic and eras and periods |  |  | vn multiply-108-1 «NP V NP»: subject=Theme |

<!-- .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: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, R8-pos-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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