---
title: Since then, government policies have supported decentralization with… — Mexico City · tree and pragmatics
description: Since then, government policies have supported decentralization with the aim of reducing pollution in Greater Mexico City. Who acts: aim. A sentence of Wikipedia's «Mexico City» 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/Mexico_City/255/)

<!-- 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/) / [Mexico City](https://md.mova.elamur.ai/free/en/corpora/wikipedia/en/Mexico_City/) / 255

# Mexico City, sentence 255

<!-- div src -->

From Wikipedia, [«Mexico City»](https://en.wikipedia.org/wiki/Mexico_City), 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 -->
Since then, government policies have supported decentralization with the aim of reducing pollution in Greater Mexico City.

<!-- .vintro -->
**Who acts:** aim · **What happens:** support, reduce · **To what, where:** government policies, pollution, Greater Mexico City

<!-- .vabout -->
This is a sentence of the English Wikipedia article «Mexico City». The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (aim), 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:Mexico_City:255
# text = Since then, government policies have supported decentralization with the aim of reducing pollution in Greater Mexico City.
1	Since	since	ADP	IN	_	2	case	_	_
2	then	then	ADV	RB	PronType=Dem	7	obl	_	SpaceAfter=No
3	,	,	PUNCT	,	_	2	punct	_	_
4	government	government	NOUN	NN	Number=Sing	5	compound	_	_
5	policies	policy	NOUN	NNS	Number=Plur	7	nsubj:pass	_	_
6	have	have	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	aux	_	_
7	supported	support	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
8	decentralization	decentralization	NOUN	NN	Number=Sing	7	obj	_	_
9	with	with	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	aim	aim	NOUN	NN	Number=Sing	7	obl	_	_
12	of	of	SCONJ	IN	_	13	mark	_	_
13	reducing	reduce	VERB	VBG	VerbForm=Ger	11	acl	_	_
14	pollution	pollution	NOUN	NN	Number=Sing	13	obj	_	_
15	in	in	ADP	IN	_	18	case	_	_
16	Greater	Greater	PROPN	NNP	Number=Sing	18	compound	_	_
17	Mexico	Mexico	PROPN	NNP	Number=Sing	18	compound	_	_
18	City	City	PROPN	NNP	Number=Sing	13	obl	_	SpaceAfter=No
19	.	.	PUNCT	.	_	7	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **support** | present · perfect · passive |  | government policies |  |  |  | with the aim; decentralization *obj* | tree rules |
| 2 | **reduce** | gerund | the aim *not said here* | pollution |  | Greater Mexico City |  |  | vn limit-76 «NP V NP»: agent=Causer pollution=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, «Mexico City», 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 254](https://md.mova.elamur.ai/free/en/corpora/wikipedia/en/Mexico_City/254/)
- next →: [sentence 256](https://md.mova.elamur.ai/free/en/corpora/wikipedia/en/Mexico_City/256/)
- ↑ back to [Mexico City](https://md.mova.elamur.ai/free/en/corpora/wikipedia/en/Mexico_City/)