---
title: Pressing the bell lights a sign at the front for the driver; the dri… — Buses, trams, lorries and traffic lights · tree and pragmatics
description: Pressing the bell lights a sign at the front for the driver; the driver opens the doors with a button, the doors beep to warn that they are closing, and sensors and rubber edges stop them closing on people. Who acts: Pressing, driver, doors, sensors. A sentence of the lesson «Buses, trams, lorries a
---

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# Buses, trams, lorries and traffic lights, sentence 8

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Pressing the bell lights a sign at the front for the driver; the driver opens the doors with a button, the doors beep to warn that they are closing, and sensors and rubber edges stop them closing on people.

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**Who acts:** Pressing, driver, doors, sensors · **What happens:** press, light, open, beep, warn, close · **To what, where:** bell, sign, front, doors · **Speech:** someone speaks here

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This is a sentence of the lesson «Buses, trams, lorries and traffic lights» 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 (Pressing, driver, doors, sensors), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:020-buses-trams-lorries-and-traffic-lights.lesson:8
# text = Pressing the bell lights a sign at the front for the driver; the driver opens the doors with a button, the doors beep to warn that they are closing, and sensors and rubber edges stop them closing on people.
# source = school lesson (ours)
# course = technology
# lesson = 020-buses-trams-lorries-and-traffic-lights.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): R1-cc-next ×2, R6-punct-agree ×1, R7-rel-agree ×3
1	Pressing	press	VERB	VBG	VerbForm=Ger	4	csubj	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	bell	bell	NOUN	NN	Number=Sing	1	obj	_	_
4	lights	light	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	sign	sign	NOUN	NN	Number=Sing	4	obj	_	_
7	at	at	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	front	front	NOUN	NN	Number=Sing	6	nmod	_	_
10	for	for	ADP	IN	_	12	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	driver	driver	NOUN	NN	Number=Sing	9	nmod	_	_
13	;	;	PUNCT	,	_	16	punct	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	driver	driver	NOUN	NN	Number=Sing	16	nsubj	_	_
16	opens	open	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	Agree=R7-rel-agree|Haiku=4:conj
17	the	the	DET	DT	Definite=Def|PronType=Art	18	det	_	_
18	doors	door	NOUN	NNS	Number=Plur	16	obj	_	_
19	with	with	ADP	IN	_	21	case	_	_
20	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
21	button	button	NOUN	NN	Number=Sing	16	obl	_	_
22	,	,	PUNCT	,	_	25	punct	_	_
23	the	the	DET	DT	Definite=Def|PronType=Art	24	det	_	_
24	doors	door	NOUN	NNS	Number=Plur	25	nsubj	_	_
25	beep	beep	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	16	conj	_	_
26	to	to	PART	TO	_	27	mark	_	_
27	warn	warn	VERB	VB	VerbForm=Inf	25	advcl	_	Agree=R7-rel-agree|Haiku=25:xcomp
28	that	that	SCONJ	IN	_	31	mark	_	_
29	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	31	nsubj	_	_
30	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	31	aux	_	_
31	closing	close	VERB	VBG	Tense=Pres|VerbForm=Part	27	ccomp	_	_
32	,	,	PUNCT	,	_	38	punct	_	Agree=R6-punct-agree|Haiku=34:punct
33	and	and	CCONJ	CC	_	38	cc	_	Agree=R1-cc-next|Haiku=31:cc
34	sensors	sensor	NOUN	NNS	Number=Plur	38	nsubj	_	_
35	and	and	CCONJ	CC	_	37	cc	_	Agree=R1-cc-next|Haiku=34:cc
36	rubber	rubber	NOUN	NN	Number=Sing	37	compound	_	Agree=R7-rel-agree|Haiku=37:amod|HaikuPos=ADJ:JJ:Degree=Pos
37	edges	edge	NOUN	NNS	Number=Plur	34	conj	_	_
38	stop	stop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	31	conj	_	_
39	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	38	obj	_	_
40	closing	close	VERB	VBG	Tense=Pres|VerbForm=Part	38	xcomp	_	_
41	on	on	ADP	IN	_	42	case	_	_
42	people	people	NOUN	NNS	Number=Plur	40	obl	_	_
43	.	.	PUNCT	.	_	4	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 | **press** | gerund |  | the bell |  |  |  |  | vn push-12-1-1 «NP V NP»: agent=Agent bell=Theme |
| 2 | **light** | present | Pressing | a sign |  | the front for the driver |  |  | vn preparing-26.3-1 «NP V NP»: agent=Agent sign=Product |
| 3 | **open** | present | the driver | the doors |  |  |  | with a button | vn establish-55.5-1 «NP V NP PP.instrument»: agent=Agent door=Patient with button=Instrument |
| 4 | **beep** | present | the doors |  |  |  |  |  | vn sound\_emission-43.2 «NP V»: agent=Theme |
| 5 | **warn** *speech: warn* | to-infinitive | the doors *not said here* |  |  |  |  |  | vn advise-37.9-1 «NP V that S»: agent=Agent clause=Topic |
| 6 | **close** | present · progressive | doors *= door* |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 7 | **stop** | present | sensors and rubber edges | doors *= door* |  |  |  |  | tree rules |
| 8 | **close** | gerund | sensors and rubber edges *not said here* |  |  |  |  | on people | vn other\_cos-45.4 «NP.patient V»: agent=Patient |

<!-- .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:020-buses-trams-lorries-and-traffic-lights.lesson:8`.

**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): R1-cc-next ×2, R6-punct-agree ×1, R7-rel-agree ×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 →: [Buses, trams, lorries and traffic lights, 9](https://md.mova.elamur.ai/free/en/corpora/school/technology/20-buses-trams-lorries-and-traffic-lights/9/)
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