---
title: A grown T. rex probably could not truly run fast, perhaps 15 to 25 k… — Tyrannosaurus rex: what we really know, from tee… · tree and pragmatics
description: A grown T. rex probably could not truly run fast, perhaps 15 to 25 kilometres an hour, because its legs would have broken under its weight; young ones were slimmer and faster. Who acts: grown T. rex, young ones. A sentence of the lesson «Tyrannosaurus rex: what we really know, from teeth and dung to
---

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# Tyrannosaurus rex: what we really know, from teeth and dung to tiny arms, sentence 10

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A grown T. rex probably could not truly run fast, perhaps 15 to 25 kilometres an hour, because its legs would have broken under its weight; young ones were slimmer and faster.

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**Who acts:** grown T. rex, young ones · **What happens:** grow, not run, break, be · **To what, where:** 15 kilometres, legs, weight

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This is a sentence of the lesson «Tyrannosaurus rex: what we really know, from teeth and dung to tiny arms» 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 (grown T. rex, young ones), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:265-tyrannosaurus-rex-teeth-dung-and-tiny-arms.lesson:10
# text = A grown T. rex probably could not truly run fast, perhaps 15 to 25 kilometres an hour, because its legs would have broken under its weight; young ones were slimmer and faster.
# source = school lesson (ours)
# course = biology
# lesson = 265-tyrannosaurus-rex-teeth-dung-and-tiny-arms.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	A	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
2	grown	grow	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	amod	_	_
3	T.	T.	PROPN	NNP	Number=Sing	4	compound	_	_
4	rex	rex	NOUN	NN	Number=Sing	9	nsubj	_	_
5	probably	probably	ADV	RB	_	9	advmod	_	_
6	could	could	AUX	MD	VerbForm=Fin	9	aux	_	_
7	not	not	PART	RB	Polarity=Neg	9	advmod	_	_
8	truly	truly	ADV	RB	_	9	advmod	_	_
9	run	run	VERB	VB	VerbForm=Inf	0	root	_	Agree=R8-pos-agree|Haiku=0:root|HaikuPos=VERB:VBP:Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin
10	fast	fast	ADV	RB	Degree=Pos	9	advmod	_	_
11	,	,	PUNCT	,	_	18	punct	_	_
12	perhaps	perhaps	ADV	RB	_	9	advmod	_	_
13	15	15	NUM	CD	NumForm=Digit|NumType=Card	16	nummod	_	_
14	to	to	ADP	IN	_	15	case	_	_
15	25	25	NUM	CD	NumForm=Digit|NumType=Card	13	nmod	_	_
16	kilometres	kilometre	NOUN	NNS	Number=Plur	9	obl	_	Agree=R5-strong|Haiku=18:nmod:unmarked
17	an	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
18	hour	hour	NOUN	NN	Number=Sing	9	obl:unmarked	_	_
19	,	,	PUNCT	,	_	25	punct	_	_
20	because	because	SCONJ	IN	_	25	mark	_	_
21	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	22	nmod:poss	_	_
22	legs	leg	NOUN	NNS	Number=Plur	25	nsubj:pass	_	_
23	would	would	AUX	MD	VerbForm=Fin	25	aux	_	_
24	have	have	AUX	VB	VerbForm=Inf	25	aux	_	_
25	broken	break	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	advcl	_	_
26	under	under	ADP	IN	_	28	case	_	_
27	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	28	nmod:poss	_	_
28	weight	weight	NOUN	NN	Number=Sing	25	obl	_	_
29	;	;	PUNCT	:	_	33	punct	_	_
30	young	young	ADJ	JJ	Degree=Pos	31	amod	_	_
31	ones	one	NOUN	NNS	Number=Plur	33	nsubj	_	_
32	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	33	cop	_	_
33	slimmer	slim	ADJ	JJR	Degree=Cmp	9	parataxis	_	Agree=R7-rel-agree|Haiku=9:conj
34	and	and	CCONJ	CC	_	35	cc	_	_
35	faster	fast	ADJ	JJR	Degree=Cmp	33	conj	_	_
36	.	.	PUNCT	.	_	9	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: narrate
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **grow** | participle |  |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 2 | **not** **run** | could | a grown T. rex | 15 kilometres |  |  | hour | fast, perhaps, probably, truly *property* | vn run-51.3.2-2-1 «NP V»: agent=Theme |
| 3 | **break** | would · perfect · passive |  | eater's legs |  | eater's weight |  |  | vn hurt-40.8.3-1-1 «NP V NP»: subject=Patient |
| 4 | **is** | past | young ones |  |  |  |  | slim *property* | tree rules |
| 5 | **be** |  | young ones *not said here* |  |  |  |  |  | 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:biology:265-tyrannosaurus-rex-teeth-dung-and-tiny-arms.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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