---
title: Country music developed in the 1920s, bluegrass and rhythm and blues… — United States · tree and pragmatics
description: Country music developed in the 1920s, bluegrass and rhythm and blues in the 1940s, and rock and roll in the 1950s. A sentence of Wikipedia's «United States» with its dependency tree and pragmatics.
---

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# United States, sentence 551

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From Wikipedia, [«United States»](https://en.wikipedia.org/wiki/United_States), 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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Country music developed in the 1920s, bluegrass and rhythm and blues in the 1940s, and rock and roll in the 1950s.

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**What happens:** develop · **To what, where:** Country music, 1920s

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This is a sentence of the English Wikipedia article «United States». 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:United_States:551
# text = Country music developed in the 1920s, bluegrass and rhythm and blues in the 1940s, and rock and roll in the 1950s.
1	Country	country	NOUN	NN	Number=Sing	2	compound	_	_
2	music	music	NOUN	NN	Number=Sing	0	root	_	_
3	developed	develop	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	acl	_	_
4	in	in	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	1920s	1920s	NOUN	NNS	Number=Ptan|NumForm=Combi|NumType=Card	3	obl	_	SpaceAfter=No
7	,	,	PUNCT	,	_	8	punct	_	_
8	bluegrass	bluegrass	NOUN	NN	Number=Sing	6	conj	_	_
9	and	and	CCONJ	CC	_	10	cc	_	_
10	rhythm	rhythm	NOUN	NN	Number=Sing	8	conj	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	blues	blue	NOUN	NNS	Number=Plur	6	conj	_	_
13	in	in	ADP	IN	_	15	case	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	1940s	1940	NOUN	NNS	Number=Plur	12	nmod	_	SpaceAfter=No
16	,	,	PUNCT	,	_	18	punct	_	_
17	and	and	CCONJ	CC	_	18	cc	_	_
18	rock	rock	NOUN	NN	Number=Sing	2	appos	_	_
19	and	and	CCONJ	CC	_	20	cc	_	_
20	roll	roll	NOUN	NN	Number=Sing	18	conj	_	_
21	in	in	ADP	IN	_	23	case	_	_
22	the	the	DET	DT	Definite=Def|PronType=Art	23	det	_	_
23	1950s	1950	NOUN	NNS	Number=Ptan|NumForm=Combi|NumType=Card	20	nmod	_	SpaceAfter=No
24	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **develop** | participle |  | Country music *not said here* |  | the 1920s and bluegrass and rhythm and blues in the 1940s |  |  | vn appear-48.1.1 «NP V PP.location»: agent=Theme in 1920s=Location |

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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, «United States», 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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