---
title: While this opens up the possibility for new archaeological research… — Riga · tree and pragmatics
description: While this opens up the possibility for new archaeological research to be undertaken, it is decreasing in situ archaeological preservation. Who acts: this, possibility. A sentence of Wikipedia's «Riga» with its dependency tree and pragmatics.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/wikipedia/en/Riga/133/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [wikipedia](https://md.mova.elamur.ai/free/en/corpora/wikipedia/) / [en](https://md.mova.elamur.ai/free/en/corpora/wikipedia/en/) / [Riga](https://md.mova.elamur.ai/free/en/corpora/wikipedia/en/Riga/) / 133

# Riga, sentence 133

<!-- div src -->

From Wikipedia, [«Riga»](https://en.wikipedia.org/wiki/Riga), revision of the 2026-09-01 dump, [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/). The trees and pragmatics of these pages, Mova's parse of that text, are CC BY-SA 4.0 too.

<!-- /div -->

<!-- .ven lang=en -->
While this opens up the possibility for new archaeological research to be undertaken, it is decreasing in situ archaeological preservation.

<!-- .vintro -->
**Who acts:** this, possibility · **What happens:** open up, undertake, decrease · **To what, where:** possibility, situ archaeological preservation

<!-- .vabout -->
This is a sentence of the English Wikipedia article «Riga». The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (this, possibility), what happens, when and where, as Mova's frames read it from the tree.

<!-- .note-en -->
**Mova's own parse.** This tree may be wrong. The article's note marks are left out of the parse.

## The tree {#tree}

```conllu
# sent_id = wikipedia:Riga:133
# text = While this opens up the possibility for new archaeological research to be undertaken, it is decreasing in situ archaeological preservation.
1	While	while	SCONJ	IN	_	3	mark	_	_
2	this	this	PRON	DT	Number=Sing|PronType=Dem	3	nsubj	_	_
3	opens	open	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	advcl	_	_
4	up	up	ADP	RP	_	3	compound:prt	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	possibility	possibility	NOUN	NN	Number=Sing	3	obj	_	_
7	for	for	ADP	IN	_	10	case	_	_
8	new	new	ADJ	JJ	Degree=Pos	10	amod	_	_
9	archaeological	archaeological	ADJ	JJ	Degree=Pos	10	amod	_	_
10	research	research	NOUN	NN	Number=Sing	3	obl	_	_
11	to	to	PART	TO	_	13	mark	_	_
12	be	be	AUX	VB	VerbForm=Inf	13	aux:pass	_	_
13	undertaken	undertake	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	10	acl	_	SpaceAfter=No
14	,	,	PUNCT	,	_	3	punct	_	_
15	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	17	nsubj	_	_
16	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	aux	_	_
17	decreasing	decrease	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
18	in	in	ADP	IN	_	21	case	_	_
19	situ	situ	ADJ	JJ	Degree=Pos	21	amod	_	_
20	archaeological	archaeological	ADJ	JJ	Degree=Pos	21	amod	_	_
21	preservation	preservation	NOUN	NN	Number=Sing	17	obl	_	SpaceAfter=No
22	.	.	PUNCT	.	_	17	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **open up** | present | this | the possibility |  |  |  | for new archaeological research | vn establish-55.5-1 «NP V NP»: agent=Agent possibility=Patient |
| 2 | **undertake** | to-infinitive · passive | this *not said here* |  |  |  |  |  | vn begin-55.1-1-1 «NP.eventuality V» |
| 3 | **decrease** | present · progressive | possibility |  |  | situ archaeological preservation |  |  | vn caused\_calibratable\_cos-45.6.2-1 «NP V ADV-Middle»: 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.

<!-- div src -->

**Text:** the English Wikipedia, «Riga», revision of the 2026-09-01 dump, CC BY-SA 4.0. **Tree:** Mova's own parse, CC BY-SA 4.0 as the text is. **Frames:** Mova's frames reader (`prag`), the article read in order, CC BY-SA 4.0.

<!-- /div -->

<!-- pn -->
- ← previous: [sentence 132](https://md.mova.elamur.ai/free/en/corpora/wikipedia/en/Riga/132/)
- next →: [sentence 134](https://md.mova.elamur.ai/free/en/corpora/wikipedia/en/Riga/134/)
- ↑ back to [Riga](https://md.mova.elamur.ai/free/en/corpora/wikipedia/en/Riga/)