---
title: Swing a ball on a string round your head: the string keeps pulling t… — The Moon, the planets and the pull that holds them · tree and pragmatics
description: Swing a ball on a string round your head: the string keeps pulling the ball towards your hand and bends its path into a circle. Who acts: you, string. A sentence of the lesson «The Moon, the planets and the pull that holds them» of the physics course of Mova's primary school with its dependency tree
---

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# The Moon, the planets and the pull that holds them, sentence 0

<!-- .ven lang=en -->
Swing a ball on a string round your head: the string keeps pulling the ball towards your hand and bends its path into a circle.

<!-- .vintro -->
**Who acts:** you, string · **What happens:** swing, keep, pull, bend · **To what, where:** ball, string, hand, path, circle

<!-- .vabout -->
This is a sentence of the lesson «The Moon, the planets and the pull that holds them» of the physics 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 (you, string), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:002-the-moon-the-planets-and-the-pull.lesson:0
# text = Swing a ball on a string round your head: the string keeps pulling the ball towards your hand and bends its path into a circle.
# source = school lesson (ours)
# course = physics
# lesson = 002-the-moon-the-planets-and-the-pull.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, R6-punct-agree ×1, R7-rel-agree ×1
1	Swing	swing	VERB	VB	Mood=Imp	0	root	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	ball	ball	NOUN	NN	Number=Sing	1	obj	_	_
4	on	on	ADP	IN	_	6	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	string	string	NOUN	NN	Number=Sing	1	obl	_	_
7	round	round	ADP	IN	_	9	case	_	Agree=R7-rel-agree|Haiku=9:advmod|HaikuPos=ADV:RB:_
8	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	9	nmod:poss	_	_
9	head	head	NOUN	NN	Number=Sing	1	obl	_	_
10	:	:	PUNCT	:	_	13	punct	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	string	string	NOUN	NN	Number=Sing	13	nsubj	_	_
13	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	parataxis	_	_
14	pulling	pull	VERB	VBG	VerbForm=Ger	13	xcomp	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	ball	ball	NOUN	NN	Number=Sing	14	obj	_	_
17	towards	towards	ADP	IN	_	19	case	_	_
18	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	19	nmod:poss	_	_
19	hand	hand	NOUN	NN	Number=Sing	14	obl	_	_
20	and	and	CCONJ	CC	_	21	cc	_	_
21	bends	bend	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	conj	_	_
22	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	23	nmod:poss	_	_
23	path	path	NOUN	NN	Number=Sing	21	obj	_	_
24	into	into	ADP	IN	_	26	case	_	_
25	a	a	DET	DT	Definite=Ind|PronType=Art	26	det	_	_
26	circle	circle	NOUN	NN	Number=Sing	21	obl	_	Agree=R5-strong|Haiku=23:nmod
27	.	.	PUNCT	.	_	1	punct	_	Agree=R6-punct-agree|Haiku=9: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 | **swing** | imperative | you *not said here* | a ball |  | a string |  | round your head | vn roll-51.3.1 «NP.agent V NP.theme PP.source PP.trajectory PP.destination»: agent=Agent ball=Theme on string=Source round head=Trajectory |
| 2 | **keep** | present | the string |  |  |  |  |  | tree rules |
| 3 | **pull** | gerund | the string *not said here* | the ball |  | your hand |  |  | vn carry-11.4 «NP V NP PP.destination»: agent=Agent ball=Theme towards hand=Destination |
| 4 | **bend** | present | the string *not said here* | string's path |  | a circle |  |  | vn knead-26.5 «NP V NP.material PP.product»: agent=Agent path=Material into circle=Product |

<!-- .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:physics:002-the-moon-the-planets-and-the-pull.lesson:0`.

**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, R6-punct-agree ×1, 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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