---
title: Trinidad's economy is based on natural gas and oil. — Port of Spain · tree and pragmatics
description: Trinidad's economy is based on natural gas and oil. A sentence of Wikipedia's «Port of Spain» with its dependency tree and pragmatics.
---

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# Port of Spain, sentence 175

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From Wikipedia, [«Port of Spain»](https://en.wikipedia.org/wiki/Port_of_Spain), 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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Trinidad's economy is based on natural gas and oil.

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**What happens:** base · **To what, where:** economy, natural gas

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This is a sentence of the English Wikipedia article «Port of Spain». The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: 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:Port_of_Spain:175
# text = Trinidad's economy is based on natural gas and oil.
1	Trinidad	Trinidad	PROPN	NNP	Number=Sing	3	nmod:poss	_	SpaceAfter=No
2	's	's	PART	POS	_	1	case	_	_
3	economy	economy	NOUN	NN	Number=Sing	5	nsubj:pass	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux:pass	_	_
5	based	base	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	on	on	ADP	IN	_	8	case	_	_
7	natural	natural	ADJ	JJ	Degree=Pos	8	amod	_	_
8	gas	gas	NOUN	NN	Number=Sing	5	obl	_	_
9	and	and	CCONJ	CC	_	10	cc	_	_
10	oil	oil	NOUN	NN	Number=Sing	8	conj	_	SpaceAfter=No
11	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **base** | present · passive |  | Trinidad's economy |  | natural gas and oil |  |  | vn base-97.1 «NP V NP PP.source»: subject=Theme on gas=Source |

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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, «Port of Spain», 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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