---
title: If the Earth's gravity switched off, the Moon would fly away in a st… — The Moon, the planets and the pull that holds them · tree and pragmatics
description: If the Earth's gravity switched off, the Moon would fly away in a straight line. Who acts: gravity, Moon. 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 and the pragmatics of every clause.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/physics/2-the-moon-the-planets-and-the-pull/6/)

<!-- 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/) / [Physics](https://md.mova.elamur.ai/free/en/corpora/school/physics/) / [The Moon, the planets and the pull tha…](https://md.mova.elamur.ai/free/en/corpora/school/physics/2-the-moon-the-planets-and-the-pull/) / 6

# The Moon, the planets and the pull that holds them, sentence 6

<!-- .ven lang=en -->
If the Earth's gravity switched off, the Moon would fly away in a straight line.

<!-- .vintro -->
**Who acts:** gravity, Moon · **What happens:** switch off, fly away · **To what, where:** straight line

<!-- .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 (gravity, Moon), 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:6
# text = If the Earth's gravity switched off, the Moon would fly away in a straight line.
# 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): R8-pos-agree ×2
1	If	if	SCONJ	IN	_	6	mark	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	Earth	Earth	PROPN	NNP	Number=Sing	5	nmod:poss	_	_
4	's	's	PART	POS	_	3	case	_	_
5	gravity	gravity	NOUN	NN	Number=Sing	6	nsubj	_	_
6	switched	switch	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	12	advcl	_	Agree=R8-pos-agree|Haiku=12:advcl|HaikuPos=VERB:VBN:Tense=Past|VerbForm=Part|Voice=Pass
7	off	off	ADP	RP	_	6	compound:prt	_	_
8	,	,	PUNCT	,	_	6	punct	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	Moon	Moon	PROPN	NNP	Number=Sing	12	nsubj	_	Agree=R8-pos-agree|Haiku=12:nsubj|HaikuPos=NOUN:NN:Number=Sing
11	would	would	AUX	MD	VerbForm=Fin	12	aux	_	_
12	fly	fly	VERB	VB	VerbForm=Inf	0	root	_	_
13	away	away	ADV	RB	_	12	advmod	_	_
14	in	in	ADP	IN	_	17	case	_	_
15	a	a	DET	DT	Definite=Ind|PronType=Art	17	det	_	_
16	straight	straight	ADJ	JJ	Degree=Pos	17	amod	_	_
17	line	line	NOUN	NN	Number=Sing	12	obl	_	_
18	.	.	PUNCT	.	_	12	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- 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 | **switch off** *a condition, not said to happen* | past | the Earth's gravity |  |  |  |  |  | vn convert-26.6.2-1-1 «NP V»: agent=Patient |
| 2 | **fly away** | would | the Moon |  |  | a straight line |  | away *property* | vn spatial\_configuration-47.6-1 «NP V NP.theme PP»: agent=Agent in line=Location |

<!-- .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:physics:002-the-moon-the-planets-and-the-pull.lesson:6`.

**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 ×2. **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: [The Moon, the planets and the pull tha…, 5](https://md.mova.elamur.ai/free/en/corpora/school/physics/2-the-moon-the-planets-and-the-pull/5/)
- next →: [The Moon, the planets and the pull tha…, 7](https://md.mova.elamur.ai/free/en/corpora/school/physics/2-the-moon-the-planets-and-the-pull/7/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/2-the-moon-the-planets-and-the-pull/)