---
title: Earthworms often come up to the surface after rain; one likely reaso… — Worms, snails and slugs · tree and pragmatics
description: Earthworms often come up to the surface after rain; one likely reason is that wet ground lets them travel across the surface without drying out, but scientists are not completely sure why they do it. Who acts: Earthworms, wet ground, scientists. A sentence of the lesson «Worms, snails and slugs» of 
---

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# Worms, snails and slugs, sentence 5

<!-- .ven lang=en -->
Earthworms often come up to the surface after rain; one likely reason is that wet ground lets them travel across the surface without drying out, but scientists are not completely sure why they do it.

<!-- .vintro -->
**Who acts:** Earthworms, wet ground, scientists · **What happens:** come up, be, let, travel, dry out, not be · **To what, where:** surface, one likely reason, earthworms, ground

<!-- .vabout -->
This is a sentence of the lesson «Worms, snails and slugs» of the biology 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 (Earthworms, wet ground, scientists), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:217-worms-snails-and-slugs.lesson:5
# text = Earthworms often come up to the surface after rain; one likely reason is that wet ground lets them travel across the surface without drying out, but scientists are not completely sure why they do it.
# source = school lesson (ours)
# course = biology
# lesson = 217-worms-snails-and-slugs.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): R5-strong ×1, R8-pos-agree ×1
1	Earthworms	earthworm	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	often	often	ADV	RB	_	3	advmod	_	_
3	come	come	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	up	up	PART	RP	_	3	compound:prt	_	_
5	to	to	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	surface	surface	NOUN	NN	Number=Sing	3	obl	_	_
8	after	after	ADP	IN	_	9	case	_	_
9	rain	rain	NOUN	NN	Number=Sing	3	obl	_	Agree=R5-strong|Haiku=7:nmod
10	;	;	PUNCT	,	_	13	punct	_	_
11	one	one	NUM	CD	NumForm=Word|NumType=Card	13	nummod	_	_
12	likely	likely	ADJ	JJ	Degree=Pos	13	amod	_	_
13	reason	reason	NOUN	NN	Number=Sing	3	conj	_	_
14	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	cop	_	_
15	that	that	SCONJ	IN	_	18	mark	_	_
16	wet	wet	ADJ	JJ	Degree=Pos	17	amod	_	_
17	ground	ground	NOUN	NN	Number=Sing	18	nsubj	_	_
18	lets	let	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	ccomp	_	_
19	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	18	obj	_	_
20	travel	travel	VERB	VB	VerbForm=Inf	18	xcomp	_	_
21	across	across	ADP	IN	_	23	case	_	_
22	the	the	DET	DT	Definite=Def|PronType=Art	23	det	_	_
23	surface	surface	NOUN	NN	Number=Sing	20	obl	_	_
24	without	without	SCONJ	IN	_	25	mark	_	_
25	drying	dry	VERB	VBG	VerbForm=Ger	20	advcl	_	_
26	out	out	ADP	RP	_	25	compound:prt	_	Agree=R8-pos-agree|Haiku=25:compound:prt|HaikuPos=PART:RP:_
27	,	,	PUNCT	,	_	33	punct	_	_
28	but	but	CCONJ	CC	_	33	cc	_	_
29	scientists	scientist	NOUN	NNS	Number=Plur	33	nsubj	_	_
30	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	33	cop	_	_
31	not	not	PART	RB	Polarity=Neg	33	advmod	_	_
32	completely	completely	ADV	RB	_	33	advmod	_	_
33	sure	sure	ADJ	JJ	Degree=Pos	13	conj	_	_
34	why	why	ADV	WRB	PronType=Int	36	advmod	_	_
35	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	36	nsubj	_	_
36	do	do	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	33	ccomp	_	_
37	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	36	obj	_	_
38	.	.	PUNCT	.	_	3	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 | **come up** | present | Earthworms |  |  | the surface | after rain | often *property* | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme to surface=Initial\_Location |
| 2 | **is a** | present | Earthworms *not said here* | one likely reason |  |  |  |  | tree rules |
| 3 | **let** | present | wet ground | earthworms *= earthworm* |  |  |  |  | tree rules |
| 4 | **travel** | infinitive | earthworms *= earthworm* *not said here* |  |  | the surface |  |  | vn run-51.3.2-1 «NP V PP.location»: agent=Theme across surface=Trajectory |
| 5 | **dry out** | gerund | earthworms *= earthworm* *not said here* |  |  |  |  |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |
| 6 | **not** **is** | present | scientists |  |  |  |  | completely, sure *property* | tree rules |
| 7 | **do** | present | scientists *= scientist* | ground |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent it=Eventuality |

<!-- .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:biology:217-worms-snails-and-slugs.lesson:5`.

**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): R5-strong ×1, R8-pos-agree ×1. **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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