---
title: Cars back out of driveways where drivers cannot see low down; many a… — Road and railway safety · tree and pragmatics
description: Cars back out of driveways where drivers cannot see low down; many accidents to very young children happen on home driveways, so driveways are not for playing. Who acts: drivers, many accidents, driveways. A sentence of the lesson «Road and railway safety» of the technology course of Mova's primary 
---

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# Road and railway safety, sentence 18

<!-- .ven lang=en -->
Cars back out of driveways where drivers cannot see low down; many accidents to very young children happen on home driveways, so driveways are not for playing.

<!-- .vintro -->
**Who acts:** drivers, many accidents, driveways · **What happens:** not see, happen, not play · **To what, where:** home driveways

<!-- .vabout -->
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 (drivers, many accidents, driveways), 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:18
# text = Cars back out of driveways where drivers cannot see low down; many accidents to very young children happen on home driveways, so driveways are not for playing.
# 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	Cars	car	NOUN	NNS	Number=Plur	5	nsubj	_	_
2	back	back	ADV	RB	_	5	advmod	_	_
3	out	out	ADP	IN	_	5	case	_	_
4	of	of	ADP	IN	_	5	case	_	_
5	driveways	driveway	NOUN	NNS	Number=Plur	0	root	_	_
6	where	where	ADV	WRB	PronType=Rel	10	advmod	_	_
7	drivers	driver	NOUN	NNS	Number=Plur	10	nsubj	_	_
8	can	can	AUX	MD	VerbForm=Fin	10	aux	_	_
9	not	not	PART	RB	Polarity=Neg	10	advmod	_	_
10	see	see	VERB	VB	VerbForm=Inf	5	acl:relcl	_	_
11	low	low	ADV	RB	Degree=Pos	12	advmod	_	_
12	down	down	ADV	RB	_	10	advmod	_	_
13	;	;	PUNCT	:	_	15	punct	_	_
14	many	many	ADJ	JJ	Degree=Pos	15	amod	_	_
15	accidents	accident	NOUN	NNS	Number=Plur	20	nsubj	_	_
16	to	to	ADP	IN	_	19	case	_	_
17	very	very	ADV	RB	_	18	advmod	_	_
18	young	young	ADJ	JJ	Degree=Pos	19	amod	_	_
19	children	child	NOUN	NNS	Number=Plur	15	nmod	_	_
20	happen	happen	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	parataxis	_	_
21	on	on	ADP	IN	_	23	case	_	_
22	home	home	NOUN	NN	Number=Sing	23	compound	_	_
23	driveways	driveway	NOUN	NNS	Number=Plur	20	obl	_	_
24	,	,	PUNCT	,	_	30	punct	_	_
25	so	so	ADV	RB	_	30	advmod	_	_
26	driveways	driveway	NOUN	NNS	Number=Plur	30	nsubj	_	_
27	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	30	aux	_	_
28	not	not	PART	RB	Polarity=Neg	30	advmod	_	_
29	for	for	ADP	IN	_	30	case	_	_
30	playing	play	VERB	VBG	Tense=Pres|VerbForm=Part	5	parataxis	_	_
31	.	.	PUNCT	.	_	5	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 | **not** **see** | can | drivers |  |  |  |  | down *property* | vn comprehend-87.2-1-1 «NP V»: agent=Experiencer |
| 2 | **happen** | present | many accidents to young children |  |  | home driveways |  |  | vn occur-48.3-1 «NP V PP»: agent=Theme on driveway=Location |
| 3 | **not** **play** | present · progressive | driveways |  |  |  |  |  | vn performance-26.7-1 «NP V»: agent=Agent |

<!-- .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:18`.

**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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- ← previous: [Road and railway safety, 17](https://md.mova.elamur.ai/free/en/corpora/school/technology/27-road-and-railway-safety/17/)
- next →: [Road and railway safety, 19](https://md.mova.elamur.ai/free/en/corpora/school/technology/27-road-and-railway-safety/19/)
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