---
title: An oasis is a place in a desert where underground water reaches the… — Deserts · tree and pragmatics
description: An oasis is a place in a desert where underground water reaches the surface or can be dug out easily, so palms and crops can grow. Who acts: oasis, underground water, palms. A sentence of the lesson «Deserts» of the geography course of Mova's primary school with its dependency tree and the pragmatic
---

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# Deserts, sentence 17

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An oasis is a place in a desert where underground water reaches the surface or can be dug out easily, so palms and crops can grow.

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**Who acts:** oasis, underground water, palms · **What happens:** be, reach, dig out, grow · **To what, where:** place, desert, surface

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This is a sentence of the lesson «Deserts» of the geography course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (oasis, underground water, palms), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:018-deserts.lesson:17
# text = An oasis is a place in a desert where underground water reaches the surface or can be dug out easily, so palms and crops can grow.
# source = school lesson (ours)
# course = geography
# lesson = 018-deserts.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change
1	An	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	oasis	oasis	NOUN	NN	Number=Sing	5	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	place	place	NOUN	NN	Number=Sing	0	root	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	desert	desert	NOUN	NN	Number=Sing	5	nmod	_	_
9	where	where	ADV	WRB	PronType=Rel	12	advmod	_	_
10	underground	underground	ADJ	JJ	Degree=Pos	11	amod	_	_
11	water	water	NOUN	NN	Number=Sing	12	nsubj	_	_
12	reaches	reach	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	acl:relcl	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	surface	surface	NOUN	NN	Number=Sing	12	obj	_	_
15	or	or	CCONJ	CC	_	18	cc	_	_
16	can	can	AUX	MD	VerbForm=Fin	18	aux	_	_
17	be	be	AUX	VB	VerbForm=Inf	18	aux:pass	_	_
18	dug	dig	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	12	conj	_	_
19	out	out	ADP	RP	_	18	compound:prt	_	_
20	easily	easily	ADV	RB	_	18	advmod	_	_
21	,	,	PUNCT	,	_	27	punct	_	_
22	so	so	ADV	RB	_	27	advmod	_	_
23	palms	palm	NOUN	NNS	Number=Plur	27	nsubj	_	_
24	and	and	CCONJ	CC	_	25	cc	_	_
25	crops	crop	NOUN	NNS	Number=Plur	23	conj	_	_
26	can	can	AUX	MD	VerbForm=Fin	27	aux	_	_
27	grow	grow	VERB	VB	VerbForm=Inf	5	parataxis	_	_
28	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a oasis | a place |  | a desert |  |  | tree rules |
| 2 | **reach** | present | underground water | the surface |  |  |  |  | vn body\_motion-49.2-1-1 «NP V NP ADV»: agent=Agent surface=Theme |
| 3 | **dig out** | can · passive | underground water *not said here* |  |  |  |  | easily *property* | vn create-26.4-1-1 «NP V» |
| 4 | **grow** | can | palms and crops |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |

<!-- .note -->
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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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:geography:018-deserts.lesson:17`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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