---
title: Old bridges and buildings can weaken over time, so engineers inspect… — How would we know? Asking experts and spotting t… · tree and pragmatics
description: Old bridges and buildings can weaken over time, so engineers inspect them regularly. Who acts: Old bridges, engineers. A sentence of the lesson «How would we know? Asking experts and spotting tricks» of the myths course of Mova's primary school with its dependency tree and the pragmatics of every cl
---

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# How would we know? Asking experts and spotting tricks, sentence 13

<!-- .ven lang=en -->
Old bridges and buildings can weaken over time, so engineers inspect them regularly.

<!-- .vintro -->
**Who acts:** Old bridges, engineers · **What happens:** weaken, inspect · **To what, where:** buildings

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This is a sentence of the lesson «How would we know? Asking experts and spotting tricks» of the myths 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 bridges, engineers), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:myths:030-how-would-we-know-asking-experts-and-spotting-tricks.lesson:13
# text = Old bridges and buildings can weaken over time, so engineers inspect them regularly.
# source = school lesson (ours)
# course = myths
# lesson = 030-how-would-we-know-asking-experts-and-spotting-tricks.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): R7-rel-agree ×1
1	Old	old	ADJ	JJ	Degree=Pos	2	amod	_	_
2	bridges	bridge	NOUN	NNS	Number=Plur	6	nsubj	_	_
3	and	and	CCONJ	CC	_	4	cc	_	_
4	buildings	building	NOUN	NNS	Number=Plur	2	conj	_	_
5	can	can	AUX	MD	VerbForm=Fin	6	aux	_	_
6	weaken	weaken	VERB	VB	VerbForm=Inf	0	root	_	_
7	over	over	ADP	IN	_	8	case	_	_
8	time	time	NOUN	NN	Number=Sing	6	obl	_	_
9	,	,	PUNCT	,	_	12	punct	_	_
10	so	so	ADV	RB	_	12	advmod	_	_
11	engineers	engineer	NOUN	NNS	Number=Plur	12	nsubj	_	_
12	inspect	inspect	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	parataxis	_	Agree=R7-rel-agree|Haiku=6:conj
13	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	12	obj	_	_
14	regularly	regularly	ADV	RB	_	12	advmod	_	_
15	.	.	PUNCT	.	_	6	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 | **weaken** | can | Old bridges and buildings |  |  |  | time |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 2 | **inspect** | present | engineers | buildings *= building* |  |  |  | regularly *property* | vn assessment-34.1 «NP V NP»: agent=Agent they=Theme |

<!-- .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:myths:030-how-would-we-know-asking-experts-and-spotting-tricks.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): R7-rel-agree ×1. **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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