---
title: The Tren Suburbano serves as the main commuter rail system serving t… — Mexico City · tree and pragmatics
description: The Tren Suburbano serves as the main commuter rail system serving the Greater Mexico City area. Who acts: Tren Suburbano, main rail system. A sentence of Wikipedia's «Mexico City» with its dependency tree and pragmatics.
---

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# Mexico City, sentence 424

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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.

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The Tren Suburbano serves as the main commuter rail system serving the Greater Mexico City area.

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**Who acts:** Tren Suburbano, main rail system · **What happens:** serve · **To what, where:** City area

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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 (Tren Suburbano, main rail system), what happens, when and where, as Mova's frames read it from the tree.

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**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:424
# text = The Tren Suburbano serves as the main commuter rail system serving the Greater Mexico City area.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	Tren	Tren	PROPN	NNP	Number=Sing	3	compound	_	_
3	Suburbano	Suburbano	PROPN	NNP	Number=Sing	4	nsubj	_	_
4	serves	serve	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	as	as	ADP	IN	_	10	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
7	main	main	ADJ	JJ	Degree=Pos	10	amod	_	_
8	commuter	commuter	NOUN	NN	Number=Sing	9	compound	_	_
9	rail	rail	NOUN	NN	Number=Sing	10	compound	_	_
10	system	system	NOUN	NN	Number=Sing	4	obl	_	_
11	serving	serve	VERB	VBG	VerbForm=Ger	10	acl	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
13	Greater	Greater	PROPN	NNP	Number=Sing	14	compound	_	_
14	Mexico	Mexico	PROPN	NNP	Number=Sing	15	compound	_	_
15	City	City	PROPN	NNP	Number=Sing	16	compound	_	_
16	area	area	NOUN	NN	Number=Sing	11	obj	_	SpaceAfter=No
17	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **serve** | present | the Tren Suburbano |  |  |  |  | as the main rail system | vn masquerade-29.6-2 «NP V PP.attribute»: agent=Agent as system=Attribute |
| 2 | **serve** | gerund | the main rail system *not said here* | the City area |  |  |  |  | vn masquerade-29.6-2 «NP V NP»: agent=Agent area=Attribute |

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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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**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.

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