---
title: Clearing forests and ploughing can make soil erode many times faster… — Weathering and erosion · tree and pragmatics
description: Clearing forests and ploughing can make soil erode many times faster than natural rates. Who acts: Clearing, soil. A sentence of the lesson «Weathering and erosion» of the geography course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Weathering and erosion, sentence 17

<!-- .ven lang=en -->
Clearing forests and ploughing can make soil erode many times faster than natural rates.

<!-- .vintro -->
**Who acts:** Clearing, soil · **What happens:** clear, make, erode · **To what, where:** forests, soil

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This is a sentence of the lesson «Weathering and erosion» 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 (Clearing, soil), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:052-weathering-and-erosion.lesson:17
# text = Clearing forests and ploughing can make soil erode many times faster than natural rates.
# source = school lesson (ours)
# course = geography
# lesson = 052-weathering-and-erosion.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	Clearing	clear	VERB	VBG	VerbForm=Ger	6	csubj	_	_
2	forests	forest	NOUN	NNS	Number=Plur	1	obj	_	_
3	and	and	CCONJ	CC	_	4	cc	_	_
4	ploughing	plough	NOUN	NN	Number=Sing	1	conj	_	Agree=R8-pos-agree|Haiku=1:conj|HaikuPos=VERB:VBG:VerbForm=Ger
5	can	can	AUX	MD	VerbForm=Fin	6	aux	_	_
6	make	make	VERB	VB	VerbForm=Inf	0	root	_	_
7	soil	soil	NOUN	NN	Number=Sing	6	obj	_	_
8	erode	erode	VERB	VB	VerbForm=Inf	6	xcomp	_	_
9	many	many	ADJ	JJ	Degree=Pos	10	amod	_	_
10	times	time	NOUN	NNS	Number=Plur	11	obl:unmarked	_	_
11	faster	fast	ADV	RBR	Degree=Cmp	8	advmod	_	_
12	than	than	ADP	IN	_	14	case	_	_
13	natural	natural	ADJ	JJ	Degree=Pos	14	amod	_	_
14	rates	rate	NOUN	NNS	Number=Plur	11	obl	_	_
15	.	.	PUNCT	.	_	6	punct	_	_
```

## Pragmatics {#pragmatics}

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

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **clear** | gerund |  | forests |  |  |  |  | vn clear-10.3-1 «NP V NP.source»: agent=Agent forest=Source |
| 2 | **make** | can | Clearing | soil |  |  |  |  | tree rules |
| 3 | **erode** | infinitive | soil *not said here* |  |  |  |  | fast *property* | vn entity\_specific\_cos-45.5 «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:052-weathering-and-erosion.lesson:17`.

**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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- ← previous: [Weathering and erosion, 16](https://md.mova.elamur.ai/free/en/corpora/school/geography/52-weathering-and-erosion/16/)
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