---
title: Tyres are rubber mixed with carbon black, built in layers around ste… — How a car is built · tree and pragmatics
description: Tyres are rubber mixed with carbon black, built in layers around steel and fabric cords and baked in a mould that presses the tread; the carbon black makes them black and stronger. Who acts: Tyres, mould, carbon black. A sentence of the lesson «How a car is built» of the technology course of Mova's 
---

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# How a car is built, sentence 14

<!-- .ven lang=en -->
Tyres are rubber mixed with carbon black, built in layers around steel and fabric cords and baked in a mould that presses the tread; the carbon black makes them black and stronger.

<!-- .vintro -->
**Who acts:** Tyres, mould, carbon black · **What happens:** be, mix, build, bake, press, make · **To what, where:** rubber, tread, Tyres

<!-- .vabout -->
This is a sentence of the lesson «How a car is built» 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 (Tyres, mould, carbon black), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:008-how-a-car-is-built.lesson:14
# text = Tyres are rubber mixed with carbon black, built in layers around steel and fabric cords and baked in a mould that presses the tread; the carbon black makes them black and stronger.
# source = school lesson (ours)
# course = technology
# lesson = 008-how-a-car-is-built.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): R7-rel-agree ×1, R8-pos-agree ×2
1	Tyres	tyre	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	rubber	rubber	NOUN	NN	Number=Sing	0	root	_	_
4	mixed	mix	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl	_	_
5	with	with	ADP	IN	_	7	case	_	_
6	carbon	carbon	NOUN	NN	Number=Sing	7	compound	_	_
7	black	black	NOUN	NN	Number=Sing	4	obl	_	Agree=R8-pos-agree|Haiku=4:obl|HaikuPos=ADJ:JJ:Degree=Pos
8	,	,	PUNCT	,	_	9	punct	_	_
9	built	build	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	conj	_	_
10	in	in	ADP	IN	_	11	case	_	_
11	layers	layer	NOUN	NNS	Number=Plur	9	obl	_	_
12	around	around	ADP	IN	_	13	case	_	_
13	steel	steel	NOUN	NN	Number=Sing	11	nmod	_	_
14	and	and	CCONJ	CC	_	16	cc	_	_
15	fabric	fabric	NOUN	NN	Number=Sing	16	compound	_	_
16	cords	cord	NOUN	NNS	Number=Plur	13	conj	_	_
17	and	and	CCONJ	CC	_	18	cc	_	_
18	baked	bake	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	conj	_	_
19	in	in	ADP	IN	_	21	case	_	_
20	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
21	mould	mould	NOUN	NN	Number=Sing	18	obl	_	_
22	that	that	PRON	WDT	PronType=Rel	23	nsubj	_	_
23	presses	press	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	21	acl:relcl	_	_
24	the	the	DET	DT	Definite=Def|PronType=Art	25	det	_	_
25	tread	tread	NOUN	NN	Number=Sing	23	obj	_	_
26	;	;	PUNCT	,	_	30	punct	_	_
27	the	the	DET	DT	Definite=Def|PronType=Art	29	det	_	_
28	carbon	carbon	NOUN	NN	Number=Sing	29	compound	_	_
29	black	black	NOUN	NN	Number=Sing	30	nsubj	_	_
30	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:conj
31	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	30	obj	_	_
32	black	black	ADJ	JJ	Degree=Pos	30	xcomp	_	_
33	and	and	CCONJ	CC	_	34	cc	_	_
34	stronger	strong	ADJ	JJR	Degree=Cmp	32	conj	_	Agree=R8-pos-agree|Haiku=32:conj|HaikuPos=ADV:RBR:Degree=Cmp
35	.	.	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 | **is a** | present | Tyres | rubber |  |  |  |  | tree rules |
| 2 | **mix** | participle |  | rubber *not said here* |  |  |  | with carbon black | vn mix-22.1-1-1 «NP V PP.co-patient»: agent=Patient with black=Co-Patient |
| 3 | **build** | participle |  |  |  |  |  | in layers around steel and fabric cords | vn calibratable\_cos-45.6.1 «NP.patient V PP.attribute»: agent=Patient in layer=Attribute |
| 4 | **bake** | participle |  |  |  |  |  | in a mould | vn cooking-45.3 «NP V PP.result PP.instrument»: agent=Patient in mould=Instrument |
| 5 | **press** | present | a mould | the tread |  |  |  |  | vn push-12-1-1 «NP V NP»: agent=Agent tread=Theme |
| 6 | **make** | present | the carbon black | Tyres *= tyre* |  |  |  | black *property* | vn build-26.1-1 «NP.material V NP»: agent=Material they=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:technology:008-how-a-car-is-built.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): R7-rel-agree ×1, 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/).

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