---
title: We know about them from fossils: when an animal was buried quickly i… — Dinosaurs and life long ago · tree and pragmatics
description: We know about them from fossils: when an animal was buried quickly in mud or sand, its bones were slowly replaced by minerals and turned into stone; footprints, eggs and even droppings can become fossils too. Who acts: We, minerals, footprints. A sentence of the lesson «Dinosaurs and life long ago» 
---

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# Dinosaurs and life long ago, sentence 2

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We know about them from fossils: when an animal was buried quickly in mud or sand, its bones were slowly replaced by minerals and turned into stone; footprints, eggs and even droppings can become fossils too.

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**Who acts:** We, minerals, footprints · **What happens:** know, bury, replace, turn, become · **To what, where:** fossils, animal, mud, bones, stone

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This is a sentence of the lesson «Dinosaurs and life long ago» 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 (We, minerals, footprints), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:078-dinosaurs-and-life-long-ago.lesson:2
# text = We know about them from fossils: when an animal was buried quickly in mud or sand, its bones were slowly replaced by minerals and turned into stone; footprints, eggs and even droppings can become fossils too.
# source = school lesson (ours)
# course = world
# lesson = 078-dinosaurs-and-life-long-ago.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): R8-pos-agree ×1
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	_	_
2	know	know	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
3	about	about	ADP	IN	_	4	case	_	_
4	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	2	obl	_	_
5	from	from	ADP	IN	_	6	case	_	_
6	fossils	fossil	NOUN	NNS	Number=Plur	2	obl	_	_
7	:	:	PUNCT	:	_	2	punct	_	_
8	when	when	ADV	WRB	PronType=Int	12	advmod	_	_
9	an	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	animal	animal	NOUN	NN	Number=Sing	12	nsubj:pass	_	_
11	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	12	aux:pass	_	_
12	buried	bury	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	23	advcl	_	_
13	quickly	quickly	ADV	RB	_	12	advmod	_	_
14	in	in	ADP	IN	_	15	case	_	_
15	mud	mud	NOUN	NN	Number=Sing	12	obl	_	_
16	or	or	CCONJ	CC	_	17	cc	_	_
17	sand	sand	NOUN	NN	Number=Sing	15	conj	_	_
18	,	,	PUNCT	,	_	23	punct	_	_
19	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	20	nmod:poss	_	_
20	bones	bone	NOUN	NNS	Number=Plur	23	nsubj:pass	_	_
21	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	23	aux:pass	_	_
22	slowly	slowly	ADV	RB	_	23	advmod	_	_
23	replaced	replace	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	parataxis	_	_
24	by	by	ADP	IN	_	25	case	_	_
25	minerals	mineral	NOUN	NNS	Number=Plur	23	obl	_	_
26	and	and	CCONJ	CC	_	27	cc	_	_
27	turned	turn	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	23	conj	_	Agree=R8-pos-agree|Haiku=23:conj|HaikuPos=VERB:VBD:Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin
28	into	into	ADP	IN	_	29	case	_	_
29	stone	stone	NOUN	NN	Number=Sing	27	obl	_	_
30	;	;	PUNCT	:	_	31	punct	_	_
31	footprints	footprint	NOUN	NNS	Number=Plur	38	nsubj	_	_
32	,	,	PUNCT	,	_	33	punct	_	_
33	eggs	egg	NOUN	NNS	Number=Plur	31	conj	_	_
34	and	and	CCONJ	CC	_	33	cc	_	_
35	even	even	ADV	RB	_	36	advmod	_	_
36	droppings	dropping	NOUN	NNS	Number=Plur	31	conj	_	_
37	can	can	AUX	MD	VerbForm=Fin	38	aux	_	_
38	become	become	VERB	VB	VerbForm=Inf	2	parataxis	_	_
39	fossils	fossil	NOUN	NNS	Number=Plur	38	xcomp	_	_
40	too	too	ADV	RB	_	38	advmod	_	_
41	.	.	PUNCT	.	_	2	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 | **know** | present | We |  |  | fossils |  | about reptiles *= reptile* | vn comprehend-87.2-1-1-1 «NP V PP.stimulus»: agent=Experiencer about they=Stimulus |
| 2 | **bury** | past · passive |  | a animal |  | mud or sand |  | quickly *property* | vn put-9.1-1 «NP V NP PP.destination»: subject=Theme in mud=Destination |
| 3 | **replace** | past · passive | minerals | sand's bones |  |  |  | slowly *property* | vn substitute-13.6.2-1 «NP V NP»: agent=Theme subject=Co-Theme |
| 4 | **turn** | participle | minerals *not said here* |  |  | stone |  |  | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into stone=Trajectory |
| 5 | **become** | can | footprints and eggs and droppings | fossils |  |  |  |  | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient |

<!-- .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:078-dinosaurs-and-life-long-ago.lesson:2`.

**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): 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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