---
title: Children generally start pre-school at two and a half years but this… — Trinidad and Tobago · tree and pragmatics
description: Children generally start pre-school at two and a half years but this is not mandatory. Who acts: Children, this. A sentence of Wikipedia's «Trinidad and Tobago» with its dependency tree and pragmatics.
---

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# Trinidad and Tobago, sentence 457

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From Wikipedia, [«Trinidad and Tobago»](https://en.wikipedia.org/wiki/Trinidad_and_Tobago), 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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Children generally start pre-school at two and a half years but this is not mandatory.

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**Who acts:** Children, this · **What happens:** start, not be · **To what, where:** pre-school, mandatory

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This is a sentence of the English Wikipedia article «Trinidad and Tobago». The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Children, this), 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:Trinidad_and_Tobago:457
# text = Children generally start pre-school at two and a half years but this is not mandatory.
1	Children	child	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	generally	generally	ADV	RB	_	3	advmod	_	_
3	start	start	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	pre-school	pre-school	NOUN	NN	Number=Sing	3	obj	_	_
5	at	at	ADP	IN	_	10	case	_	_
6	two	two	NUM	CD	NumForm=Word|NumType=Card	10	nummod	_	_
7	and	and	CCONJ	CC	_	10	cc	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	half	half	NOUN	NN	Number=Sing|NumForm=Word|NumType=Frac	10	compound	_	_
10	years	year	NOUN	NNS	Number=Plur	3	obl	_	_
11	but	but	CCONJ	CC	_	15	cc	_	_
12	this	this	PRON	DT	Number=Sing|PronType=Dem	15	nsubj	_	_
13	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	cop	_	_
14	not	not	PART	RB	Polarity=Neg	15	advmod	_	_
15	mandatory	mandatory	NOUN	NN	Number=Sing	10	conj	_	SpaceAfter=No
16	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **start** | present | Children | pre-school |  |  | year | generally *property* | vn begin-55.1-1-1 «NP V NP»: agent=Agent pre-school=Eventuality |
| 2 | **not** **is a** | present | this | mandatory |  |  |  |  | tree rules |

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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, «Trinidad and Tobago», 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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