---
title: In a petrol or diesel engine, fuel burns in small cylinders and push… — Inside a car: engine, gears and the dashboard · tree and pragmatics
description: In a petrol or diesel engine, fuel burns in small cylinders and pushes pistons, which turn a crankshaft and then the wheels, with many small explosions every second. Who acts: fuel, pistons. A sentence of the lesson «Inside a car: engine, gears and the dashboard» of the technology course of Mova's p
---

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# Inside a car: engine, gears and the dashboard, sentence 5

<!-- .ven lang=en -->
In a petrol or diesel engine, fuel burns in small cylinders and pushes pistons, which turn a crankshaft and then the wheels, with many small explosions every second.

<!-- .vintro -->
**Who acts:** fuel, pistons · **What happens:** burn, push, turn · **To what, where:** petrol, pistons, crankshaft

<!-- .vabout -->
This is a sentence of the lesson «Inside a car: engine, gears and the dashboard» 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 (fuel, pistons), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:017-inside-a-car.lesson:5
# text = In a petrol or diesel engine, fuel burns in small cylinders and pushes pistons, which turn a crankshaft and then the wheels, with many small explosions every second.
# source = school lesson (ours)
# course = technology
# lesson = 017-inside-a-car.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 ×3
1	In	in	ADP	IN	_	3	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	Agree=R5-strong|Haiku=3:det
3	petrol	petrol	NOUN	NN	Number=Sing	9	obl	_	_
4	or	or	CCONJ	CC	_	6	cc	_	_
5	diesel	diesel	NOUN	NN	Number=Sing	3	conj	_	Agree=R5-strong|Haiku=6:compound
6	engine	engine	NOUN	NN	Number=Sing	3	conj	_	_
7	,	,	PUNCT	,	_	9	punct	_	_
8	fuel	fuel	NOUN	NN	Number=Sing	9	nsubj	_	_
9	burns	burn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
10	in	in	ADP	IN	_	12	case	_	_
11	small	small	ADJ	JJ	Degree=Pos	12	amod	_	_
12	cylinders	cylinder	NOUN	NNS	Number=Plur	9	obl	_	_
13	and	and	CCONJ	CC	_	14	cc	_	_
14	pushes	push	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	conj	_	_
15	pistons	piston	NOUN	NNS	Number=Plur	14	obj	_	_
16	,	,	PUNCT	,	_	18	punct	_	_
17	which	which	PRON	WDT	PronType=Rel	18	nsubj	_	_
18	turn	turn	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	15	acl:relcl	_	_
19	a	a	DET	DT	Definite=Ind|PronType=Art	20	det	_	_
20	crankshaft	crankshaft	NOUN	NN	Number=Sing	18	obj	_	_
21	and	and	CCONJ	CC	_	24	cc	_	_
22	then	then	ADV	RB	PronType=Dem	24	advmod	_	_
23	the	the	DET	DT	Definite=Def|PronType=Art	24	det	_	_
24	wheels	wheel	NOUN	NNS	Number=Plur	20	conj	_	_
25	,	,	PUNCT	,	_	29	punct	_	_
26	with	with	ADP	IN	_	29	case	_	_
27	many	many	ADJ	JJ	Degree=Pos	29	amod	_	_
28	small	small	ADJ	JJ	Degree=Pos	29	amod	_	_
29	explosions	explosion	NOUN	NNS	Number=Plur	18	obl	_	_
30	every	every	DET	DT	PronType=Tot	31	det	_	_
31	second	second	NOUN	NN	Number=Sing	29	nmod	_	Agree=R5-strong|Haiku=9:obl:unmarked
32	.	.	PUNCT	.	_	9	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 | **burn** | present | fuel |  |  | petrol and diesel or a engine |  | in small cylinders | vn light\_emission-43.1 «NP V PP.location»: agent=Theme in petrol=Location |
| 2 | **push** | present | fuel *not said here* | pistons |  |  |  |  | vn carry-11.4-1-1 «NP V NP»: agent=Agent piston=Theme |
| 3 | **turn** | present | pistons | a crankshaft and the wheels |  |  |  | with many small explosions  every second | vn roll-51.3.1 «NP V NP.theme»: agent=Agent crankshaft=Theme |

<!-- .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:technology:017-inside-a-car.lesson:5`.

**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 ×3. **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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- next →: [Inside a car: engine, gears and the da…, 6](https://md.mova.elamur.ai/free/en/corpora/school/technology/17-inside-a-car/6/)
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