---
title: Energy can change form, but the total amount stays the same; it is n… — Energy: what makes things happen · tree and pragmatics
description: Energy can change form, but the total amount stays the same; it is never used up. Who acts: Energy, total amount. A sentence of the lesson «Energy: what makes things happen» of the physics course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Energy: what makes things happen, sentence 14

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Energy can change form, but the total amount stays the same; it is never used up.

<!-- .vintro -->
**Who acts:** Energy, total amount · **What happens:** change, stay, not use up · **To what, where:** form, Energy

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This is a sentence of the lesson «Energy: what makes things happen» 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 (Energy, total amount), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:031-energy-what-makes-things-happen.lesson:14
# text = Energy can change form, but the total amount stays the same; it is never used up.
# source = school lesson (ours)
# course = physics
# lesson = 031-energy-what-makes-things-happen.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	Energy	energy	NOUN	NN	Number=Sing	3	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
3	change	change	VERB	VB	VerbForm=Inf	0	root	_	_
4	form	form	NOUN	NN	Number=Sing	3	obj	_	_
5	,	,	PUNCT	,	_	10	punct	_	_
6	but	but	CCONJ	CC	_	10	cc	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	total	total	ADJ	JJ	Degree=Pos	9	amod	_	_
9	amount	amount	NOUN	NN	Number=Sing	10	nsubj	_	_
10	stays	stay	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	same	same	ADJ	JJ	Degree=Pos	10	xcomp	_	_
13	;	;	PUNCT	,	_	17	punct	_	_
14	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	17	nsubj:pass	_	_
15	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	aux:pass	_	_
16	never	never	ADV	RB	PronType=Neg	17	advmod	_	_
17	used	use	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	parataxis	_	_
18	up	up	ADP	RP	_	17	compound:prt	_	_
19	.	.	PUNCT	.	_	3	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 | **change** | can | Energy | form |  |  |  |  | vn dress-41.1.1-1-1 «NP V NP»: agent=Agent form=Patient |
| 2 | **stay** | present | the total amount |  |  |  |  | same *property* | vn exist-47.1 «NP V»: agent=Theme |
| 3 | **not** **use up** | present · passive |  | Energy |  |  |  |  | vn eat-39.1 «NP V NP»: subject=Patient |

<!-- .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:031-energy-what-makes-things-happen.lesson:14`.

**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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