---
title: The number of students in DCPS steadily decreased for 39 years until… — Washington, D.C. · tree and pragmatics
description: The number of students in DCPS steadily decreased for 39 years until 2009. Who acts: number. A sentence of Wikipedia's «Washington, D.C.» with its dependency tree and pragmatics.
---

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# Washington, D.C., sentence 430

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From Wikipedia, [«Washington, D.C.»](https://en.wikipedia.org/wiki/Washington,_D.C.), 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 number of students in DCPS steadily decreased for 39 years until 2009.

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**Who acts:** number · **What happens:** decrease

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This is a sentence of the English Wikipedia article «Washington, D.C.». The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (number), 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:Washington,_D.C.:430
# text = The number of students in DCPS steadily decreased for 39 years until 2009.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	number	number	NOUN	NN	Number=Sing	8	nsubj	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	students	student	NOUN	NNS	Number=Plur	2	nmod	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	DCPS	DCPS	PROPN	NNP	Number=Sing	4	nmod	_	_
7	steadily	steadily	ADV	RB	_	8	advmod	_	_
8	decreased	decrease	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
9	for	for	ADP	IN	_	11	case	_	_
10	39	39	NUM	CD	NumForm=Digit|NumType=Card	11	nummod	_	_
11	years	year	NOUN	NNS	Number=Plur	8	obl	_	_
12	until	until	ADP	IN	_	13	case	_	_
13	2009	2009	NUM	CD	NumForm=Digit|NumType=Card	8	obl	_	SpaceAfter=No
14	.	.	PUNCT	.	_	8	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **decrease** | past | the number of students in DCPS |  |  |  | until 2009; year | steadily *property* | vn caused\_calibratable\_cos-45.6.2-1 «NP V ADV-Middle»: agent=Patient |

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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, «Washington, D.C.», 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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