---
title: As it moves it scrapes the land like giant sandpaper with rocks froz… — Glaciers and ice ages · tree and pragmatics
description: As it moves it scrapes the land like giant sandpaper with rocks frozen into its base. Who acts: Snow. A sentence of the lesson «Glaciers and ice ages» of the geography course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Glaciers and ice ages, sentence 2

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As it moves it scrapes the land like giant sandpaper with rocks frozen into its base.

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**Who acts:** Snow · **What happens:** move, scrape, freeze · **To what, where:** land, rocks, base

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This is a sentence of the lesson «Glaciers and ice ages» 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 (Snow), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:054-glaciers-and-ice-ages.lesson:2
# text = As it moves it scrapes the land like giant sandpaper with rocks frozen into its base.
# source = school lesson (ours)
# course = geography
# lesson = 054-glaciers-and-ice-ages.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): no change
1	As	as	SCONJ	IN	_	3	mark	_	_
2	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
3	moves	move	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	advcl	_	_
4	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
5	scrapes	scrape	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	land	land	NOUN	NN	Number=Sing	5	obj	_	_
8	like	like	ADP	IN	_	10	case	_	_
9	giant	giant	ADJ	JJ	Degree=Pos	10	amod	_	_
10	sandpaper	sandpaper	NOUN	NN	Number=Sing	7	nmod	_	_
11	with	with	ADP	IN	_	12	case	_	_
12	rocks	rock	NOUN	NNS	Number=Plur	10	nmod	_	_
13	frozen	freeze	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	12	acl	_	_
14	into	into	ADP	IN	_	16	case	_	_
15	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	16	nmod:poss	_	_
16	base	base	NOUN	NN	Number=Sing	13	obl	_	_
17	.	.	PUNCT	.	_	5	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 | **move** | present | Snow |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 2 | **scrape** | present | Snow | the land |  |  |  | like giant sandpaper with rocks | vn cut-21.1-1 «NP.instrument V NP»: agent=Instrument land=Patient |
| 3 | **freeze** | participle |  | rocks *not said here* |  | Snow's base |  |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |

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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:geography:054-glaciers-and-ice-ages.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): no change. **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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