---
title: What you must do is to wash them in the river till the black one bec… — The Orange Fairy Book · tree and pragmatics
description: What you must do is to wash them in the river till the black one becomes white and the white black.' Who acts: black one. A sentence of «The Orange Fairy Book» by Andrew Lang, Opening, part 10, with its dependency tree and the pragmatics of every clause.
---

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# The Orange Fairy Book, Opening, part 10, sentence 93

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What you must do is to wash them in the river till the black one becomes white and the white black.'

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**Who acts:** black one · **What happens:** be, become · **To what, where:** river

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This is a sentence of «The Orange Fairy Book» by Andrew Lang, Opening, part 10. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (black one), what happens, when and where, as Mova's frames read it from the tree.

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**Parsed by Mova, not checked by a teacher.** This tree is Mova's own parse (the `en` model, on the CPU, when the site is built); it may be wrong.

## The tree {#tree}

```conllu
# sent_id = book:pg3027:10:93
# text = What you must do is to wash them in the river till the black one becomes white and the white black.'
1	What	what	PRON	WP	PronType=Int	4	obj	_	_
2	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	4	nsubj	_	_
3	must	must	AUX	MD	VerbForm=Fin	4	aux	_	_
4	do	do	AUX	VB	Mood=Imp|VerbForm=Fin	7	aux	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	wash	wash	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
8	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	7	obj	_	_
9	in	in	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	river	river	NOUN	NN	Number=Sing	7	obl	_	_
12	till	till	SCONJ	IN	_	16	mark	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
14	black	black	ADJ	JJ	Degree=Pos	15	amod	_	_
15	one	one	NOUN	NN	Number=Sing	16	nsubj	_	_
16	becomes	become	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	advcl	_	_
17	white	white	ADJ	JJ	Degree=Pos	16	xcomp	_	_
18	and	and	CCONJ	CC	_	21	cc	_	_
19	the	the	DET	DT	Definite=Def|PronType=Art	21	det	_	_
20	white	white	ADJ	JJ	Degree=Pos	21	amod	_	_
21	black	black	ADJ	JJ	Degree=Pos	16	conj	_	SpaceAfter=No
22	.	.	PUNCT	.	_	7	punct	_	SpaceAfter=No
23	'	'	PUNCT	''	_	7	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | to-infinitive · do-support |  |  |  | the river |  | wash *property* | tree rules |
| 2 | **become** | present | the black one |  |  |  |  | white *property* | vn become-109.1-1-1 «NP V PP.attribute»: 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 Orange Fairy Book» by Andrew Lang, Project Gutenberg book 3027 (public domain in the USA). **Tree:** Mova's own parse, Elamur Cosmic License. **Frames:** Mova's frames reader (`prag`), the chapter read in order.

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