---
title: The giant beaver of North America was about two metres long, lived u… — Mammal giants of the past: Paraceratherium, Dipr… · tree and pragmatics
description: The giant beaver of North America was about two metres long, lived until about 12,000 years ago and is reported to have eaten mostly water plants, so it may not have built dams. Who acts: giant beaver, beaver. A sentence of the lesson «Mammal giants of the past: Paraceratherium, Diprotodon, the gian
---

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# Mammal giants of the past: Paraceratherium, Diprotodon, the giant beaver and Gigantopithecus, sentence 13

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The giant beaver of North America was about two metres long, lived until about 12,000 years ago and is reported to have eaten mostly water plants, so it may not have built dams.

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**Who acts:** giant beaver, beaver · **What happens:** be, live, report, eat, not build · **To what, where:** water plants, dams

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This is a sentence of the lesson «Mammal giants of the past: Paraceratherium, Diprotodon, the giant beaver and Gigantopithecus» of the biology 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 (giant beaver, beaver), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:384-mammal-giants-of-the-past-paraceratherium-diprotodon-the-giant-beaver-and-gigantopithecus.lesson:13
# text = The giant beaver of North America was about two metres long, lived until about 12,000 years ago and is reported to have eaten mostly water plants, so it may not have built dams.
# source = school lesson (ours)
# course = biology
# lesson = 384-mammal-giants-of-the-past-paraceratherium-diprotodon-the-giant-beaver-and-gigantopithecus.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): R2-punct-next ×1, R3-conj-first ×1, R5-strong ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	giant	giant	ADJ	JJ	Degree=Pos	3	amod	_	_
3	beaver	beaver	NOUN	NN	Number=Sing	11	nsubj	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	North	North	PROPN	NNP	Number=Sing	6	compound	_	_
6	America	America	PROPN	NNP	Number=Sing	3	nmod	_	_
7	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	11	cop	_	_
8	about	about	ADV	RB	_	9	advmod	_	Agree=R5-strong|Haiku=10:case|HaikuPos=ADP:IN:_
9	two	two	NUM	CD	NumForm=Word|NumType=Card	10	nummod	_	_
10	metres	metre	NOUN	NNS	Number=Plur	11	obl:unmarked	_	_
11	long	long	ADJ	JJ	Degree=Pos	0	root	_	_
12	,	,	PUNCT	,	_	13	punct	_	Agree=R2-punct-next|Haiku=11:punct
13	lived	live	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	11	conj	_	_
14	until	until	ADP	IN	_	17	case	_	_
15	about	about	ADV	RB	_	16	advmod	_	_
16	12,000	12,000	NUM	CD	NumForm=Digit|NumType=Card	17	nummod	_	_
17	years	year	NOUN	NNS	Number=Plur	18	obl:unmarked	_	_
18	ago	ago	ADV	RB	_	13	advmod	_	_
19	and	and	CCONJ	CC	_	21	cc	_	_
20	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	21	aux:pass	_	_
21	reported	report	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	11	conj	_	Agree=R3-conj-first|Haiku=13:conj
22	to	to	PART	TO	_	24	mark	_	_
23	have	have	AUX	VB	VerbForm=Inf	24	aux	_	_
24	eaten	eat	VERB	VBN	Tense=Past|VerbForm=Part	21	xcomp	_	_
25	mostly	mostly	ADV	RB	_	24	advmod	_	_
26	water	water	NOUN	NN	Number=Sing	27	compound	_	_
27	plants	plant	NOUN	NNS	Number=Plur	24	obj	_	_
28	,	,	PUNCT	,	_	35	punct	_	_
29	so	so	ADV	RB	_	34	advmod	_	_
30	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	34	nsubj	_	_
31	may	may	AUX	MD	VerbForm=Fin	34	aux	_	_
32	not	not	PART	RB	Polarity=Neg	34	advmod	_	_
33	have	have	AUX	VB	VerbForm=Inf	34	aux	_	_
34	built	build	VERB	VBN	Tense=Past|VerbForm=Part	13	parataxis	_	_
35	dams	dam	NOUN	NNS	Number=Plur	34	obj	_	_
36	.	.	PUNCT	.	_	11	punct	_	_
```

## Pragmatics {#pragmatics}

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

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | past | the giant beaver of North America |  |  |  |  | two metres *obl:unmarked*; long *property* | tree rules |
| 2 | **live** | past | the giant beaver of North America *not said here* |  |  |  |  | ago *property* | vn exist-47.1-1 «NP V»: agent=Theme |
| 3 | **report** | present · passive | the giant beaver of North America *not said here* |  |  |  |  |  | vn characterize-29.2-1-2 «NP V what S\_INF»: clause=Theme |
| 4 | **eat** | to-infinitive · perfect | the giant beaver of North America *not said here* | water plants |  |  |  | mostly *property* | vn eat-39.1-1 «NP V NP»: agent=Agent plant=Patient |
| 5 | **not** **build** | may · perfect | beaver | dams |  |  |  |  | vn build-26.1-1 «NP.material V NP»: agent=Material dam=Product |

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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:biology:384-mammal-giants-of-the-past-paraceratherium-diprotodon-the-giant-beaver-and-gigantopithecus.lesson:13`.

**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): R2-punct-next ×1, R3-conj-first ×1, R5-strong ×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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