---
title: This is what you must do if you wish to save your lives. — The Yellow Fairy Book · tree and pragmatics
description: This is what you must do if you wish to save your lives. Who acts: This, you. A sentence of «The Yellow Fairy Book» by Andrew Lang, The Donkey Cabbage, part 3, with its dependency tree and the pragmatics of every clause.
---

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# The Yellow Fairy Book, The Donkey Cabbage, part 3, sentence 72

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This is what you must do if you wish to save your lives.

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**Who acts:** This, you · **What happens:** be, do, wish, save · **To what, where:** lives

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This is a sentence of «The Yellow Fairy Book» by Andrew Lang, The Donkey Cabbage, part 3. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (This, you), 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:pg640:12:72
# text = This is what you must do if you wish to save your lives.
1	This	this	PRON	DT	Number=Sing|PronType=Dem	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	what	what	PRON	WP	PronType=Int	0	root	_	_
4	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	6	nsubj	_	_
5	must	must	AUX	MD	VerbForm=Fin	6	aux	_	_
6	do	do	VERB	VB	VerbForm=Inf	3	acl:relcl	_	_
7	if	if	SCONJ	IN	_	9	mark	_	_
8	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	9	nsubj	_	_
9	wish	wish	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	6	advcl	_	_
10	to	to	PART	TO	_	11	mark	_	_
11	save	save	VERB	VB	VerbForm=Inf	9	xcomp	_	_
12	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
13	lives	life	NOUN	NNS	Number=Plur	11	obj	_	SpaceAfter=No
14	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | This |  |  |  |  |  | tree rules |
| 2 | **do** | must | you |  |  |  |  |  | vn act-114-1 «NP V»: agent=Agent |
| 3 | **wish** *a condition, not said to happen* | present | you |  |  |  |  |  | vn wish-62 «NP V for NP S\_INF»: agent=Pivot clause=Theme |
| 4 | **save** *not said to happen* | to-infinitive | you *not said here* | your lives |  |  |  |  | vn get-13.5.1-1 «NP V NP»: agent=Agent life=Theme |

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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 Yellow Fairy Book» by Andrew Lang, Project Gutenberg book 640 (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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