---
title: An electric car's battery pack is thousands of small lithium cells j… — Electric cars and charging · tree and pragmatics
description: An electric car's battery pack is thousands of small lithium cells joined together, with cooling to keep them at the right temperature. Who acts: battery pack. A sentence of the lesson «Electric cars and charging» of the technology course of Mova's primary school with its dependency tree and the pra
---

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# Electric cars and charging, sentence 11

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An electric car's battery pack is thousands of small lithium cells joined together, with cooling to keep them at the right temperature.

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**Who acts:** battery pack · **What happens:** be, join, keep · **To what, where:** thousands, small lithium cells, cells, right temperature

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This is a sentence of the lesson «Electric cars and charging» of the technology 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 (battery pack), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:019-electric-cars-and-charging.lesson:11
# text = An electric car's battery pack is thousands of small lithium cells joined together, with cooling to keep them at the right temperature.
# source = school lesson (ours)
# course = technology
# lesson = 019-electric-cars-and-charging.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	An	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	electric	electric	ADJ	JJ	Degree=Pos	3	amod	_	_
3	car	car	NOUN	NN	Number=Sing	6	nmod:poss	_	_
4	's	's	PART	POS	_	3	case	_	_
5	battery	battery	NOUN	NN	Number=Sing	6	compound	_	_
6	pack	pack	NOUN	NN	Number=Sing	8	nsubj	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
8	thousands	thousand	NOUN	NNS	Number=Plur	0	root	_	_
9	of	of	ADP	IN	_	12	case	_	_
10	small	small	ADJ	JJ	Degree=Pos	12	amod	_	_
11	lithium	lithium	NOUN	NN	Number=Sing	12	compound	_	_
12	cells	cell	NOUN	NNS	Number=Plur	8	nmod	_	_
13	joined	join	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	12	acl	_	_
14	together	together	ADV	RB	_	13	advmod	_	_
15	,	,	PUNCT	,	_	17	punct	_	_
16	with	with	ADP	IN	_	17	case	_	_
17	cooling	cooling	NOUN	NN	Number=Sing	13	obl	_	_
18	to	to	PART	TO	_	19	mark	_	_
19	keep	keep	VERB	VB	VerbForm=Inf	17	acl	_	_
20	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	19	obj	_	_
21	at	at	ADP	IN	_	24	case	_	_
22	the	the	DET	DT	Definite=Def|PronType=Art	24	det	_	_
23	right	right	ADJ	JJ	Degree=Pos	24	amod	_	_
24	temperature	temperature	NOUN	NN	Number=Sing	19	obl	_	_
25	.	.	PUNCT	.	_	8	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 | **is a** | present | a electric car's battery pack | thousands |  |  |  | of small lithium cells | tree rules |
| 2 | **join** | participle |  | small lithium cells *not said here* |  |  |  | with cooling; together *property* | vn mix-22.1-2-1 «NP V PP.patient»: agent=Patient with cooling=Co-Patient |
| 3 | **keep** | to-infinitive |  | cells *= cell* |  | the right temperature |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent they=Theme at temperature=Location |

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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:technology:019-electric-cars-and-charging.lesson:11`.

**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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