---
title: Old mines and tunnels are still dangerous: they can collapse or be f… — Tunnels and what lies under the street · tree and pragmatics
description: Old mines and tunnels are still dangerous: they can collapse or be full of bad air, so nobody goes into them for fun. Who acts: Old mines, tunnels, nobody. A sentence of the lesson «Tunnels and what lies under the street» of the technology course of Mova's primary school with its dependency tree and
---

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# Tunnels and what lies under the street, sentence 6

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Old mines and tunnels are still dangerous: they can collapse or be full of bad air, so nobody goes into them for fun.

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**Who acts:** Old mines, tunnels, nobody · **What happens:** be, collapse, go

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This is a sentence of the lesson «Tunnels and what lies under the street» 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 (Old mines, tunnels, nobody), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:029-tunnels-and-under-the-street.lesson:6
# text = Old mines and tunnels are still dangerous: they can collapse or be full of bad air, so nobody goes into them for fun.
# source = school lesson (ours)
# course = technology
# lesson = 029-tunnels-and-under-the-street.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	Old	old	ADJ	JJ	Degree=Pos	2	amod	_	_
2	mines	mine	NOUN	NNS	Number=Plur	7	nsubj	_	_
3	and	and	CCONJ	CC	_	4	cc	_	_
4	tunnels	tunnel	NOUN	NNS	Number=Plur	2	conj	_	_
5	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
6	still	still	ADV	RB	_	7	advmod	_	_
7	dangerous	dangerous	ADJ	JJ	Degree=Pos	0	root	_	_
8	:	:	PUNCT	:	_	7	punct	_	_
9	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	11	nsubj	_	_
10	can	can	AUX	MD	VerbForm=Fin	11	aux	_	_
11	collapse	collapse	VERB	VB	VerbForm=Inf	7	parataxis	_	_
12	or	or	CCONJ	CC	_	14	cc	_	_
13	be	be	AUX	VB	VerbForm=Inf	14	cop	_	_
14	full	full	ADJ	JJ	Degree=Pos	11	conj	_	_
15	of	of	ADP	IN	_	17	case	_	_
16	bad	bad	ADJ	JJ	Degree=Pos	17	amod	_	_
17	air	air	NOUN	NN	Number=Sing	14	obl	_	_
18	,	,	PUNCT	,	_	21	punct	_	_
19	so	so	ADV	RB	_	21	advmod	_	_
20	nobody	nobody	PRON	NN	Number=Sing|PronType=Neg	21	nsubj	_	_
21	goes	go	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	conj	_	_
22	into	into	ADP	IN	_	23	case	_	_
23	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	21	obl	_	_
24	for	for	ADP	IN	_	25	case	_	_
25	fun	fun	NOUN	NN	Number=Sing	21	obl	_	_
26	.	.	PUNCT	.	_	7	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** | present | Old mines and tunnels |  |  |  | still | dangerous *property* | tree rules |
| 2 | **collapse** | can | tunnels *= tunnel* |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 3 | **is** | infinitive | tunnels *= tunnel* *not said here* |  |  |  |  | of bad air; full *property* | tree rules |
| 4 | **go** | present | nobody |  |  |  |  | into tunnels *= tunnel*; for fun | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme into they=Initial\_Location |

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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:technology:029-tunnels-and-under-the-street.lesson:6`.

**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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