---
title: A bus can be about 12 metres long and a family car about 4 metres. — Road and railway safety · tree and pragmatics
description: A bus can be about 12 metres long and a family car about 4 metres. Who acts: bus. A sentence of the lesson «Road and railway safety» of the technology course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Road and railway safety, sentence 20

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A bus can be about 12 metres long and a family car about 4 metres.

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**Who acts:** bus · **What happens:** be

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This is a sentence of the lesson «Road and railway safety» 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 (bus), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:027-road-and-railway-safety.lesson:20
# text = A bus can be about 12 metres long and a family car about 4 metres.
# source = school lesson (ours)
# course = technology
# lesson = 027-road-and-railway-safety.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	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	bus	bus	NOUN	NN	Number=Sing	8	nsubj	_	_
3	can	can	AUX	MD	VerbForm=Fin	8	aux	_	_
4	be	be	AUX	VB	VerbForm=Inf	8	cop	_	_
5	about	about	ADV	RB	_	6	advmod	_	_
6	12	12	NUM	CD	NumForm=Digit|NumType=Card	7	nummod	_	_
7	metres	metre	NOUN	NNS	Number=Plur	8	obl:unmarked	_	_
8	long	long	ADJ	JJ	Degree=Pos	0	root	_	_
9	and	and	CCONJ	CC	_	12	cc	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
11	family	family	NOUN	NN	Number=Sing	12	compound	_	_
12	car	car	NOUN	NN	Number=Sing	2	conj	_	_
13	about	about	ADV	RB	_	14	advmod	_	_
14	4	4	NUM	CD	NumForm=Digit|NumType=Card	15	nummod	_	_
15	metres	metre	NOUN	NNS	Number=Plur	2	conj	_	_
16	.	.	PUNCT	.	_	8	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | can | a bus and a family car and 4 metres |  |  |  |  | 12 metres *obl:unmarked*; long *property* | tree rules |

<!-- .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:027-road-and-railway-safety.lesson:20`.

**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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