---
title: The Colorado River carved the Grand Canyon, about 1.8 km deep, over… — Rivers shaping the land · tree and pragmatics
description: The Colorado River carved the Grand Canyon, about 1.8 km deep, over roughly the last 5-6 million years, although some scientists argue parts are older. Who acts: Colorado River, scientists, parts. A sentence of the lesson «Rivers shaping the land» of the geography course of Mova's primary school wit
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/geography/53-rivers-shaping-the-land/16/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Geography](https://md.mova.elamur.ai/free/en/corpora/school/geography/) / [Rivers shaping the land](https://md.mova.elamur.ai/free/en/corpora/school/geography/53-rivers-shaping-the-land/) / 16

# Rivers shaping the land, sentence 16

<!-- .ven lang=en -->
The Colorado River carved the Grand Canyon, about 1.8 km deep, over roughly the last 5-6 million years, although some scientists argue parts are older.

<!-- .vintro -->
**Who acts:** Colorado River, scientists, parts · **What happens:** carve, argue, be · **To what, where:** Grand Canyon · **Speech:** someone speaks here

<!-- .vabout -->
This is a sentence of the lesson «Rivers shaping the land» 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 (Colorado River, scientists, parts), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:053-rivers-shaping-the-land.lesson:16
# text = The Colorado River carved the Grand Canyon, about 1.8 km deep, over roughly the last 5-6 million years, although some scientists argue parts are older.
# source = school lesson (ours)
# course = geography
# lesson = 053-rivers-shaping-the-land.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 ×3, R7-rel-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	Colorado	Colorado	PROPN	NNP	Number=Sing	3	compound	_	_
3	River	River	PROPN	NNP	Number=Sing	4	nsubj	_	_
4	carved	carve	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	Grand	Grand	PROPN	NNP	Number=Sing	7	compound	_	_
7	Canyon	Canyon	PROPN	NNP	Number=Sing	4	obj	_	_
8	,	,	PUNCT	,	_	11	punct	_	_
9	about	about	ADV	RB	_	10	advmod	_	Agree=R5-strong|Haiku=11:case|HaikuPos=ADP:IN:_
10	1.8	1.8	NUM	CD	NumForm=Digit|NumType=Card	11	nummod	_	_
11	km	km	NOUN	NNS	Number=Plur	12	obl	_	Agree=R5-strong|Haiku=7:appos|HaikuPos=NOUN:NN:Number=Sing
12	deep	deep	ADJ	JJ	Degree=Pos	7	amod	_	Agree=R5-strong|Haiku=11:amod
13	,	,	PUNCT	,	_	20	punct	_	_
14	over	over	ADP	IN	_	20	case	_	_
15	roughly	roughly	ADV	RB	_	20	advmod	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	20	det	_	_
17	last	last	ADJ	JJ	Degree=Pos	20	amod	_	_
18	5-6	5-6	NUM	CD	NumForm=Digit|NumType=Card	19	compound	_	_
19	million	million	NUM	CD	NumForm=Word|NumType=Card	20	nummod	_	_
20	years	year	NOUN	NNS	Number=Plur	4	obl	_	_
21	,	,	PUNCT	,	_	25	punct	_	_
22	although	although	SCONJ	IN	_	25	mark	_	_
23	some	some	DET	DT	PronType=Ind	24	det	_	_
24	scientists	scientist	NOUN	NNS	Number=Plur	25	nsubj	_	_
25	argue	argue	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	advcl	_	Agree=R7-rel-agree|Haiku=4:conj
26	parts	part	NOUN	NNS	Number=Plur	28	nsubj	_	_
27	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	28	cop	_	_
28	older	old	ADJ	JJR	Degree=Cmp	25	ccomp	_	_
29	.	.	PUNCT	.	_	4	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 | **carve** | past | the Colorado River | the Grand Canyon |  |  | year |  | vn scribble-25.2-1 «NP V NP»: agent=Agent canyon=Theme |
| 2 | **argue** *speech: disagree* | present | some scientists |  |  |  |  |  | vn correspond-36.1-1 «NP V»: agent=Agent |
| 3 | **is** | present | parts |  |  |  |  | old *property* | 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.

<!-- div src -->

**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:053-rivers-shaping-the-land.lesson:16`.

**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 ×3, 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/).

<!-- /div -->

<!-- pn -->
- ← previous: [Rivers shaping the land, 15](https://md.mova.elamur.ai/free/en/corpora/school/geography/53-rivers-shaping-the-land/15/)
- next →: [Rivers shaping the land, 17](https://md.mova.elamur.ai/free/en/corpora/school/geography/53-rivers-shaping-the-land/17/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/geography/53-rivers-shaping-the-land/)