---
title: It is a myth that a car can stop instantly: even the best brakes nee… — Seat belts, crashes and keeping safe · tree and pragmatics
description: It is a myth that a car can stop instantly: even the best brakes need time and distance. Who acts: car, best brakes. A sentence of the lesson «Seat belts, crashes and keeping safe» of the physics course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Seat belts, crashes and keeping safe, sentence 13

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It is a myth that a car can stop instantly: even the best brakes need time and distance.

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**Who acts:** car, best brakes · **What happens:** be, stop, need · **To what, where:** myth

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This is a sentence of the lesson «Seat belts, crashes and keeping safe» 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 (car, best brakes), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:037-seat-belts-crashes-and-keeping-safe.lesson:13
# text = It is a myth that a car can stop instantly: even the best brakes need time and distance.
# source = school lesson (ours)
# course = physics
# lesson = 037-seat-belts-crashes-and-keeping-safe.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 ×1, R7-rel-agree ×2
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	expl	_	Agree=R7-rel-agree|Haiku=4:nsubj
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	myth	myth	NOUN	NN	Number=Sing	0	root	_	_
5	that	that	SCONJ	IN	_	9	mark	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	car	car	NOUN	NN	Number=Sing	9	nsubj	_	_
8	can	can	AUX	MD	VerbForm=Fin	9	aux	_	_
9	stop	stop	VERB	VB	VerbForm=Inf	4	csubj	_	Agree=R7-rel-agree|Haiku=4:acl
10	instantly	instantly	ADV	RB	_	9	advmod	_	_
11	:	:	PUNCT	:	_	16	punct	_	_
12	even	even	ADV	RB	_	15	advmod	_	Agree=R5-strong|Haiku=16:advmod
13	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
14	best	good	ADJ	JJS	Degree=Sup	15	amod	_	_
15	brakes	brake	NOUN	NNS	Number=Plur	16	nsubj	_	_
16	need	need	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	_
17	time	time	NOUN	NN	Number=Sing	16	obj	_	_
18	and	and	CCONJ	CC	_	19	cc	_	_
19	distance	distance	NOUN	NN	Number=Sing	17	conj	_	_
20	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: evaluate
- 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 myth |  |  |  |  | tree rules |
| 2 | **stop** | can | a car |  |  |  |  | instantly *property* | vn stop-55.4-1-1 «NP.eventuality V»: agent=Eventuality |
| 3 | **need** | present | the best brakes |  |  |  | time |  | vn want-32.1-1-1 «NP V NP S\_INF»: agent=Pivot |

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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:physics:037-seat-belts-crashes-and-keeping-safe.lesson:13`.

**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 ×1, R7-rel-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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