---
title: Forces can start something moving, stop it, speed it up, slow it dow… — Forces — pushes, pulls, friction and magnets · tree and pragmatics
description: Forces can start something moving, stop it, speed it up, slow it down, turn it or change its shape. Who acts: Forces. A sentence of the lesson «Forces — pushes, pulls, friction and magnets» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Forces — pushes, pulls, friction and magnets, sentence 1

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Forces can start something moving, stop it, speed it up, slow it down, turn it or change its shape.

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**Who acts:** Forces · **What happens:** start, move, stop, speed up, slow down, turn · **To what, where:** something, force, shape

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This is a sentence of the lesson «Forces — pushes, pulls, friction and magnets» of the world 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 (Forces), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:051-forces.lesson:1
# text = Forces can start something moving, stop it, speed it up, slow it down, turn it or change its shape.
# source = school lesson (ours)
# course = world
# lesson = 051-forces.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): R7-rel-agree ×1
1	Forces	force	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
3	start	start	VERB	VB	VerbForm=Inf	0	root	_	_
4	something	something	PRON	NN	Number=Sing|PronType=Ind	3	obj	_	_
5	moving	move	VERB	VBG	VerbForm=Ger	4	acl	_	_
6	,	,	PUNCT	,	_	7	punct	_	_
7	stop	stop	VERB	VB	VerbForm=Inf	3	conj	_	_
8	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	obj	_	_
9	,	,	PUNCT	,	_	10	punct	_	_
10	speed	speed	VERB	VB	Mood=Imp|VerbForm=Fin	3	parataxis	_	_
11	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	10	obj	_	_
12	up	up	ADP	RP	_	10	compound:prt	_	_
13	,	,	PUNCT	,	_	14	punct	_	_
14	slow	slow	VERB	VB	VerbForm=Inf	3	conj	_	_
15	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	14	obj	_	_
16	down	down	ADP	RP	_	14	compound:prt	_	_
17	,	,	PUNCT	,	_	18	punct	_	_
18	turn	turn	VERB	VB	Mood=Imp|VerbForm=Fin	3	conj	_	Agree=R7-rel-agree|Haiku=3:parataxis
19	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	18	obj	_	_
20	or	or	CCONJ	CC	_	21	cc	_	_
21	change	change	VERB	VB	Mood=Imp|VerbForm=Fin	18	conj	_	_
22	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	23	nmod:poss	_	_
23	shape	shape	NOUN	NN	Number=Sing	21	obj	_	_
24	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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- 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 | **start** | can | Forces | something |  |  |  |  | vn begin-55.1-1-1 «NP V NP»: agent=Agent something=Eventuality |
| 2 | **move** | gerund |  |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 3 | **stop** | infinitive | Forces *not said here* | force |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality it=Eventuality |
| 4 | **speed up** | infinitive |  | force |  |  |  |  | vn run-51.3.2-2 «NP V NP»: agent=Agent it=Theme |
| 5 | **slow down** | infinitive | Forces *not said here* | force |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent it=Patient |
| 6 | **turn** | infinitive | Forces *not said here* | force |  |  |  |  | vn roll-51.3.1 «NP V NP.theme»: agent=Agent it=Theme |
| 7 | **change** | infinitive | Forces *not said here* | force's shape |  |  |  |  | vn dress-41.1.1-1-1 «NP V NP»: agent=Agent shape=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:world:051-forces.lesson:1`.

**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): 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/).

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